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AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
- National Maps
The list below shows the areas with the highest NowCast AQI...
- State AQI
Smoke from numerous wildfires across Alaska is affecting air...
- Wildfires
Wildfire smoke is a mixture of air pollutants of which...
- About AirNow
AirNow is your one-stop source for air quality data. Our...
- AQI & Health
Forecast AQI. Today. Tomorrow. More. AirNow.gov. Location...
- Contact Us
Forecast AQI. Today. Tomorrow. More. AirNow.gov. Location...
- How to use this site
Click the locator icon or use the search box to enter a zip...
- AirNow Partners
Smoke from numerous wildfires across Alaska is affecting air...
- Announcements
Check the AirNow Fire and Smoke Map for local air quality...
- Air Quality Index (AQI)
The Air Quality Index (AQI) tells you how clean or polluted...
- National Maps
The Air Quality Index (AQI) tells you how clean or polluted your outdoor air is and the associated health effects that may be of concern.
Interactive Map of Air Quality. Monitors. NowCast AQI. Contours. NowCast AQI. Show green contours. Show green contours. Ozone and PM.
Get a monitor and contribute air quality data in your city. Discover AirVisual Map, live world air pollution and air quality index (AQI) interactive 2D animated map combining PM2.5 data from public government, air quality stations, our community.
Localized Air Quality Index and forecast for Columbus, OH. Track air pollution now to help plan your day and make healthier lifestyle decisions.
The list below shows the areas with the highest NowCast AQI for the current hour. The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution.
The Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air.