Updated AQI for Particle Pollution Now in Effect

AirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.

2024 Air Quality Awareness Week

Mark your calendars! Air Quality Awareness Week 2024 is May 6-10. The theme this year is, “Knowing Your Air”. AQAW highlights resources that increase air quality awareness and encourages people to take action and incorporate air quality knowledge into their daily living. Join us on the web and social media on May 6th to learn more. #AQAW2024