Air Quality Alerts, AirNow / EPA
Active air quality advisories from AirNow / EPA. AQI levels, particulate-matter readings, and health-impact guidance for sensitive groups.
Showing 1–50 of 118 air quality alerts. Browse by month →
Air Quality
Air Quality Alert: Sacramento, CA Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: S Central LA CO Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Fresno, CA Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Omaha, NE Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Kansas City Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Denver-Boulder Area Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Phoenix, AZ Reaches Unhealthy Levels for PM10 on March 20
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Air Quality Alert: Indianapolis, IN Reaches Unhealthy Levels (AQI 165)
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Air Quality Alert: Detroit, MI Reaches Unhealthy Levels on March 19
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Air Quality Alert: Indianapolis, IN Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Unhealthy for Sensitive Groups in South Central Los Angeles County
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Air Quality Alert: Twin Cities, MN Reaches Unhealthy for Sensitive Groups Level
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Kansas City Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
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Air Quality Alert: Phoenix Residents Advised of Unhealthy Levels for Sensitive Groups
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Air Quality Alert: Las Vegas Reaches Unhealthy Levels for PM10
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Air Quality high
Phoenix Air Quality Reaches Very Unhealthy Levels with AQI of 212
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Air Quality Alert: San Diego Coast Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Las Vegas Air Quality Reaches Unhealthy Levels for Sensitive Groups
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Air Quality Alert: Albuquerque, NM Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Phoenix, AZ Records Unhealthy PM10 Levels on March 17
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Air Quality Alert: Tampa, FL Reaches Unhealthy for Sensitive Groups Level
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Air Quality high
Air Quality Alert: Very Unhealthy Conditions Reported in El Paso, TX
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Austin, TX Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
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San Antonio Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups Category
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Air Quality Alert: Philadelphia Residents Face Unhealthy Levels for Sensitive Groups
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Air Quality Alert: Oklahoma City, OK Reaches Unhealthy for Sensitive Groups Level
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Albuquerque Air Quality Reaches Unhealthy for Sensitive Groups Level on March 15
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Air Quality Alert: El Paso, TX Reaches Unhealthy Levels for PM10
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Air Quality Alert: Kansas City, MO Reaches Unhealthy for Sensitive Groups Level
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Detroit Air Quality Reaches Unhealthy Levels Due to Fine Particulate Matter
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Phoenix Air Quality Reaches Unhealthy for Sensitive Groups Level Due to PM10
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Denver-Boulder Air Quality Reaches Unhealthy for Sensitive Groups Level
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Albuquerque Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
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Air Quality Alert: Atlanta, GA Reaches Unhealthy Levels (AQI 170)
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Albuquerque, NM Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
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Air Quality Alert: El Paso, TX Air Quality Rated Unhealthy for Sensitive Groups
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Phoenix Air Quality Reaches Unhealthy for Sensitive Groups Level
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Mecklenburg County Air Quality Reaches Unhealthy for Sensitive Groups Level
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Phoenix, AZ Air Quality Alert: PM10 Levels Reach Unhealthy for Sensitive Groups
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Chicago, IL Air Quality Alert: PM2.5 Levels Reach Unhealthy for Sensitive Groups
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Phoenix Air Quality Reaches Unhealthy Level for PM10
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Oklahoma City Air Quality Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Anchorage, AK Reaches Unhealthy for Sensitive Groups Level
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Phoenix, AZ Air Quality Reaches Unhealthy Levels Due to PM10
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Air Quality Alert: Unhealthy Conditions Reported in Portland, OR
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Air Quality Alert: Oklahoma City Reaches Unhealthy for Sensitive Groups Level
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Air Quality Alert: Metro Baltimore Reaches Unhealthy for Sensitive Groups Level
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Nashville Air Quality Alert: PM2.5 Levels Reach Unhealthy for Sensitive Groups
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Austin, TX Air Quality Alert: Unhealthy for Sensitive Groups Due to Ozone
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Unhealthy Air Quality Alert for Seattle-Bellevue-Kent Valley: AQI Reaches 193
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