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A number from 0 to 100 for how noisy an address is over a typical day, built from public data: tracked flights, road traffic counts, train timetables, licensed venues and crowd precincts, industrial facilities, power lines, and ratings from residents at the address. 0–19 is Genuinely quiet, 20–39 Mostly quiet, 40–59 Some noise, 60–79 Noticeably noisy, and 80 and above is Loud. The score is free for every listed address in Australia.

It is a prediction of typical noise at the address, not a measurement taken there. Every number comes from a named public source and we check the aircraft axis against the airports' own published noise charts. Real experience can still differ: which side of the building you are on, the season, the weather, roadworks and one-off events. Treat it as a well-informed starting point, then visit at the times that matter to you.

The score is built from axes: Aircraft, Venues & crowds, Road traffic, Rail, Industrial & odour, and Resident-rated, each scored from 0 to 10. Infrastructure joins them only when there are power lines, substations or data centres close enough to matter. Neighbourhood is the everyday background of a street (local cars, mowers, dogs, deliveries), estimated from how many homes are around; it runs from 0 to 4 and says which step the address is on, from rural to dense apartments. The full report shows the evidence behind each one.

The map score is always the straight, Balanced score. In a full report, if you have set a noise profile under Profile (Shift worker, Work from home, Family or Night owl), the address is re-weighted for the hours you need quiet, and the report says Weighted for you. Set the profile back to Balanced to see the straight score in reports too.

It says how much data sits behind the score. High means at least four sources over at least 60 days of observation; Medium at least three sources over 30 days; Provisional means fewer. A provisional score is still a real estimate, just a thinner one, so weigh it accordingly.

Under Profile you can tell n-earshot which hours matter to you: Balanced (every hour equal), Shift worker (daytime quiet), Work from home (weekday daytime), Family (evenings and school mornings) or Night owl (late nights). It only changes full reports and comparisons, where each address is re-scored for those hours. The free score on the map always stays the Balanced one.

The axes with the evidence behind each number (what the data says, when it happens, and the sources), the typical day chart of noise by hour, a written verdict, development and licence applications nearby before they are decided, and the Deepdive, a written brief on what drives the score and who the address suits. The score itself is free; the full report is part of the Moving Pass.

The score is free, and everything behind it needs a live Moving Pass. If you have bought one and the report is still locked, tap Restore purchases under Profile or on the pass page: it works signed in or not. If you signed in when you bought it, make sure you are signed in with that same phone number. If it still does not unlock, email support@n-earshot.com.

A written brief on one address, three or four short paragraphs on what actually drives the score, when in the day it bites, and who the address suits. It is written by Claude, an AI model, strictly from the evidence in the report, and it is part of the Moving Pass. Tap Read the deepdive at the bottom of a full report.

Open the report and tap Share report. You get a link to a web page with the full report, evidence and Deepdive, which anyone can read without the app. Sharing needs the full report, so it is part of the Moving Pass.

Save the addresses you are considering (Save this address on a report, or Save to your shortlist on the map), then open Saved, tap Compare, pick two to four, and tap Compare again. Scores side by side are free; the axes behind them need the Moving Pass.

Tap Does this match your experience? at the bottom of the report and answer honestly: the answers calibrate the score. If a specific source looks wrong, tap the axis to see the evidence and email support@n-earshot.com with the address and what you saw. If you live there, rating the address adds your own experience to the resident axis.

One purchase that opens the full report for any address in Australia for 90 days, as many addresses as you like, and includes alerts on your saved addresses while it runs. It does not renew: after 90 days it simply ends, and you can buy another if you are still looking. The price is shown in the app before anything is charged.

Tap View full report on any address, or Get the Moving Pass under Profile, then Apple or Google takes the payment. No account is needed. Signing in, before or after, lets the pass follow you to another phone. The pass is live as soon as the purchase completes.

Tap Restore purchases under Profile or on the pass page. That asks the store to confirm the purchase and unlocks everything. If you signed in when you bought it, sign in with that same phone number too. If it still does not unlock, email support@n-earshot.com.

Yes. If you signed in when you bought it (or since), sign in with the same phone number on the other device and it is there. If you bought it without signing in, it belongs to the Apple or Google account that paid: on the other device, with that same store account, tap Restore purchases under Profile.

Payments are taken by Apple or Google, so refunds go through them: Apple at reportaproblem.apple.com, Google through the Play Store order history. If something has gone wrong on our side, email support@n-earshot.com and we will help.

On iPhone: open the pass page and tap Try it free for 7 days. It is free, gives seven days of the full reports, and ends by itself with nothing charged; one per Apple account. On Android: join the updates list with your email (on n-earshot.com, or under Updates in Profile) and confirm the email we send. The confirmation page and a welcome email give you a code. Sign in to the app, go to Profile, and enter it under Have a code? to get seven days of the Moving Pass. One free week per phone number, ever, and a code cannot shorten a pass you already hold.

Only what a person reasonably does: up to 25 newly written Deepdives a day and 300 over the 90 days (a brief already written for an address does not count), and up to 50 new share links a day. Sign-in codes and help questions are limited per hour and per day too. You will not normally meet these; if you do, the app says so and when to try again. The full list is in the Terms at n-earshot.com/terms.

Not the Moving Pass: it is a single purchase for 90 days and does not renew. When it ends you keep your account and your saved addresses; only the full reports and alerts close until you buy another pass. Address Watch is different. It is an optional monthly subscription for alerts only, and it renews each month until you cancel it.

Not to look, or to buy. Searching, the map, every address's score and the Moving Pass all work without signing in. You sign in, with your phone number and a 6-digit code we text you, to save addresses, rate an address you live at, or get alerts.

Check the number is right, wait 30 seconds, and tap Send code again. Codes last five minutes, and after five wrong tries you need a fresh one. Australian mobiles work in the format 04xx xxx xxx or +61. If codes never arrive, email support@n-earshot.com with the number and we will look at it.

Your phone number only as a scrambled hash, which lets us keep one account per person without keeping the number; your noise profile; the addresses you have saved and whether alerts are on; your pass status; a push notification token if you allowed notifications; and an email address if you gave one for the daily alert digest or the updates list. Nothing else.

Under Profile, tap Delete my account and confirm. Your account, saved addresses and personal data are removed straight away. Any ratings you gave survive only inside the anonymous street-pocket averages; they cannot be traced back to you. The history, badges and easter eggs kept on that phone are cleared too. The free week stays used for that phone number.

Under Profile, tap Sign out. Your saved addresses and pass stay with your account for when you sign back in.

When a development application is lodged or a liquor licence changes within 800 metres of a saved address, you get a notification the hour we see it, while there is still time to object. Alerts come with the Moving Pass for as long as it runs, or on their own with Address Watch; the saved list itself is free.

Alerts on your saved addresses and nothing else, as a monthly subscription. It is for people who are staying put and want to hear what is proposed near home: a development application lodged nearby, or a venue's liquor licence appearing or changing. It does not open full reports; that is the Moving Pass, which already includes these alerts while it runs. Address Watch renews every month until you cancel, and the price is shown before anything is charged. Cancel any time: in your phone's subscriptions if you subscribed in the app, or on your Account page at n-earshot.com if you subscribed by card. Alerts keep running to the end of the month you have paid for.

Save the address, then tap the bell next to it in Saved, or Turn alerts on in its report. Allow notifications when the phone asks. For a daily email as well, open Alert settings in Saved and add your email; it is sent only on days there is something to report.

Development applications from the NSW Planning Portal, and licence changes from the NSW and Victorian liquor registers. Other states' planning portals are not yet connected, so an address elsewhere may not get development alerts. Flight path changes do not raise alerts.

As many as you like. Compare takes two to four at a time.

Someone who is physically there. Open the address's report and tap I live here, and the phone confirms with GPS that you are at the address, usually within about 25 metres, a little more where the fix is rough or the block is dense. One rating per address per person, ever, so it cannot be gamed.

A number from 0 to 10, tick-box tags for what you can hear (neighbours, industrial hum, aircraft, traffic, venues, construction, animals), and an optional 30-second sound sample. There is no free text on purpose: nobody can be named. Ratings are pooled with neighbours' within 100 metres and never shown for a single house.

No. The microphone runs for 30 seconds and the phone works out a single sound level, a number. Only that number is sent; no audio is stored or uploaded, and you can skip the sample entirely.

GPS drifts indoors. Step outside or to a window, wait a moment, then tap Check my location again. The app tells you how far it thinks you are and how close you need to be.

Open the report, tap the Resident-rated axis, and use Appeal these ratings (for owners and landlords) or Report a concern about these ratings. Your reason goes to a moderator only and is never published. A moderator reviews the ratings on that street pocket.

A number from 0 to 100 for the air pollution sources around an address on a typical day, built the way the noise score is: busy roads (trucks and buses counted for more), diesel trains, ships at berth, airports and industry, set on the area's air as the government monitoring stations measure it. 0–19 is Low, 20–39 Moderate, 40–59 Elevated, 60–79 High and 80 and above Very high. Low means the air around the home is at or below the levels in the World Health Organization's 2021 air quality guidelines (5 µg/m³ of fine particles and 10 µg/m³ of NO₂ a year). Like the noise score, the Air score and its word are free; what makes it, source by source, is in the full report.

No. It is a measure of what is around the home, like the noise score: how much nitrogen dioxide and fine particles the nearby sources and the area's air come to on a typical day, compared with Australia's national air standards. It is not medical advice, not a forecast and not a reading from a sensor at the address. For health questions, ask your doctor; for today's air, see your state's air quality site.

Bushfire and hazard-reduction smoke come and go across whole regions for days or weeks, and they say nothing about one street against the next. The Air score is about what is near the home every day, so the area's level is taken from each station's median day, which steps over smoke weeks. Wood smoke from home heaters is noted in Tasmania, the ACT and the cold inland, where heaters are common, but not scored.

An air quality app shows what a monitoring station is reading right now, often kilometres away. The Air score is a typical day at this address: the area's level from the stations, plus what the roads, rail, ships, airports and industry within reach add. A home on a motorway and a home 400 m from it can share a station but get very different Air scores.

Government monitoring stations in NSW, Victoria, Queensland, South Australia and the ACT; national maps of fine particles (Washington University) and nitrogen dioxide (George Washington University) between stations and in Western Australia, Tasmania and the Northern Territory; the same traffic counts, timetables, port and airport data the noise score uses; and what each facility reports to the National Pollutant Inventory. Every source is listed on n-earshot.com/methodology, with how the score was checked against every station.

Choose Air under the layer button on the map. It draws the sources the Air score counts: busy roads (narrower bands than the noise layer, because road pollution fades within about 150 to 200 m), diesel rail lines, ships at berth, industry that reports air emissions, and airport runways. It shows where the sources are, not a pollution reading.

Aircraft positions from community ADS-B receivers, sampled every two minutes and built into measured flight corridors; traffic counts from the state road authorities; train timetables from the public transport agencies; liquor licence registers in NSW and Victoria and OpenStreetMap venues elsewhere; the National Pollutant Inventory for industry; surveyed power lines; and addresses from G-NAF. The Air score adds the government air monitoring stations and two national air pollution maps. Every source is listed with its licence on n-earshot.com/methodology.

Flight corridors are rebuilt every night from the last 30 days of tracked flights, and the map's heat layers are re-drawn after that. Development applications refresh daily; licence registers and industry monthly; timetables weekly; roads, rail and power lines quarterly. Alerts are checked every hour.

Every listed address in Australia has a score, and the flight, road, rail, venue and industry layers run in every state and territory. Coverage is deepest around Sydney, Canberra, Melbourne, Brisbane, the Gold Coast, the Sunshine Coast, Perth, Adelaide, Hobart and Darwin. Some feeds exist only in some states: traffic counts are not published in Tasmania or the Northern Territory, licence registers only in NSW and Victoria, and development applications only in NSW.

From the aircraft themselves. Their broadcast positions are sampled every two minutes around the major airports and grouped into the corridors flights actually fly, with how many a day use each and how high they are over each address. Where there are not yet enough tracked flights, the score uses the runway layout as an estimate and says so.

Yes, as far as public data allows. Military jets rarely broadcast their position, so Defence bases use Defence's own measured movement counts and plans, and inside a Defence noise contour (ANEF) the aircraft reading is held at no less than the contour's level. Helicopters and other aircraft holding low over a suburb are counted from their broadcast positions as monthly totals, only where it happens repeatedly; that is a floor, because some, including some police helicopters, do not broadcast. Military live-fire areas, grenade and rifle ranges and outdoor shooting grounds are named in the report with what to expect; none publishes a schedule.

Yes. Motor racing circuits, drag strips, dirt speedways, kart tracks and motocross tracks come from OpenStreetMap, including Mount Panorama and the street circuits. Each kind of track has a level while it runs and a number of days a year it runs, and a track that is silent most days counts for much less than its race days: the trade-off follows the NSW event multiplier that acoustic consultants use for motor sport. The report names a track wherever it is still loud on race days, with when it runs and roughly how loud it is at the address then, and the hourly chart shows its hours, so a night speedway shows on Friday and Saturday evenings. Horse and greyhound racing are not counted as racetracks: their noise is a crowd and a PA on race days.

No. Location is used only in the moment, to centre the map when you ask and to confirm you are at an address when you rate it. It is never collected in the background and never stored as a history.

No. We never sell individual-level data. The product runs on aggregated, anonymised street-pocket statistics, and nothing we publish can single out a household. The full policy is at n-earshot.com/privacy.

Nobody sees it on its own. Ratings are pooled with neighbours' within 100 metres into one number per street pocket, and there is no free text, so there is nothing to attribute. Moderators can see individual ratings only when reviewing an appeal or a report of abuse.

Green is quiet through red is loud, from roads, rail, venues, aircraft and industry. Soft wide bands are measured flight corridors, thin blue lines are power lines, and blue circles are data centres and substations. Use the chips at the top right to show one kind of noise or one time of day. Tap the legend for the key.

Type it in the search box at the top of the map: street and suburb is enough, and units work as 3/26 Mort Street. Every listed address in Australia is there. You can also tap the map near a building to get the nearest address.

Tap the notice to try again. A slow connection can take a moment; the noise and Air scores themselves still work without the layers.

Not yet. A view of hotel noise — which rooms face the road, what guests report — is planned for later; for now the app is for addresses.

The app is for iPhone and Android; the map, scores and ratings live there. On the web you can read shared reports, the methodology, the privacy policy and this help.

Under Profile, in Appearance, choose Follow system, Light or Dark.

An easter egg. Fifty landmarks around Australia — Parliament House, the MCG, the Big Banana and others — carry an unofficial extra axis on their report, with its own name and a line of tongue-in-cheek evidence. Tap it for a small firework. It is decoration: the score itself is unchanged, and the report says so. Profile keeps count of how many you have found and gives one hint a day. No pass is needed: without one, the egg shows on the map card when you tap the landmark. The website has them too, on the map card and the report, and keeps its own count on the Account page; finds in a browser and finds in the app are counted separately.