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Live Air Quality Map

Air quality alerts and smoke, plus the current air-quality index, PM2.5 and ozone for any place on Earth.

Where this data comes from

National Weather Service air quality alerts
Open-Meteo air quality (CAMS) for any location
NASA EONET

Official alerts are shown exactly as issued and graded SEV-1 (extreme) to SEV-4 (minor). Each event shows its sources, how many independent feeds confirm it, and when it was received. About our data.

Frequently asked questions

What AQI is unhealthy?

On the U.S. scale, 101 to 150 is unhealthy for sensitive groups, 151 to 200 is unhealthy for everyone, and above 200 is very unhealthy.

How do I protect myself from smoke?

Stay indoors with windows closed, run a HEPA air cleaner if you have one, and wear an N95 mask outdoors.

Stay safe

Read the wildfire smoke and air quality safety guide, and keep the emergency number for where you are.

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