Sep 18, 2024 · The Air Quality Index, or AQI, is the system used to warn the public when air pollution is dangerous. The AQI tracks ozone (smog) and particle pollution (tiny particles from …

The U.S. Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range of index …

Use this box for geographic or location based searches. This button allows AirNow to find the Air Quality at your current location. To use this feature you must allow AirNow to access your …

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.

Nov 18, 2024 · When the Air Quality Index (AQI) hits the extreme value of 999, it signals a dangerously high level of air pollution that poses an urgent threat to public health. In such …

1 day ago · Monitor your location's AQI in real-time. Get the latest air quality index and pollution levels, updated frequently for accurate, actionable information.

Using automated processes, state, local and Tribal air quality agencies provide hourly air quality monitoring information to the AirNow program for nearly 900 areas across the country.

An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] …

USA Air Quality Index (AQI). Read the air pollution in USA, get real-time, historical and forecast PM2.5 and weather data with AirVisual.

Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 …