Air Quality Index - AQI Now

Is the air safe to breathe today? Air Quality Index - AQI Now shows the air quality index (AQI) for your location on one big dial, so you can check the air before you step outside.

Open the app and the AQI dial for where you are fills the screen, with a plain-language level from Good to Hazardous and the color that goes with it. Scroll for the pollutant numbers behind the score, the hourly forecast and the next four days. No account and no sign-up.

Free to use and supported by ads.

AQI FOR YOUR LOCATION
• A big AQI dial for your current location
• Clear air quality levels, from Good to Hazardous
• See at a glance whether the air pollution is low, moderate or high

POLLUTANTS AND UV
• PM2.5 and PM10 particulate matter, the fine particles found in smoke, dust and haze
• Ozone (O3) and nitrogen dioxide (NO2)
• UV index, so you can plan time in the sun
• Know which pollutant is driving today's air quality score

HOURLY AND 4-DAY FORECAST
• Hour-by-hour air quality forecast for today
• 4-day air quality forecast to plan ahead
• Pick the cleaner hours for a run, a walk, a bike ride or school drop-off

SAVED CITIES
• Search for any city in the world and save it
• Compare the AQI in your home town, your office, your family's city or your next trip
• Switch between saved places with one tap

DAILY AIR QUALITY NOTIFICATION
• An air quality notification every morning at 7:30
• Start the day knowing the AQI before you leave the house
• Turn it off any time in Settings

HEALTH GUIDE
• Simple, practical tips for each AQI level
• Know what the numbers mean, from a good air day to a smoky, polluted one
• Ideas for adjusting your outdoor plans when air pollution is high

GLOBAL, IN 22 LANGUAGES
• Air quality data for locations around the world
• The app is available in 22 languages

WHO IT IS FOR
• Anyone who wants a quick, clear AQI reading for their city
• Runners, cyclists and parents who plan time outdoors
• People who check the air quality on smoky or hazy days, including days with wildfire smoke in the news
• Travelers who want to see the air quality before they arrive

ABOUT THE DATA
Air quality data: Copernicus Atmosphere Monitoring Service (CAMS) forecasts via Open-Meteo open data (CC BY 4.0). Places: GeoNames.
The values are model forecasts, updated twice a day, and the hourly values come from those forecasts. They are not real-time measurements from monitoring stations and may differ from a station near you. Forecasts can change.

NOT A MEDICAL DEVICE
Air Quality Index - AQI Now is for general information only. It is not a medical device and does not provide medical advice, diagnosis or treatment. If you have a health condition or feel unwell, talk to a doctor.

Location is used to show the air quality where you are. Search for a city instead if you prefer not to share it.

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