Air quality alerts, nationwide
2 active, moderate and up. Open a state stream for county detail and subscriptions.
ModerateAir qualityCAends in 22 h
Air Quality Alert · Interstate 5 Corridor; Santa Clarita Valley; Santa Susana Mountains; Western San Gabriel Mountains and Highway 14 Corridor
Air Quality Alert issued October 3 at 8:35PM PDT by NWS Los Angeles/Oxnard CA
What to do
To protect your health, if you smell or see smoke: * Remain indoors with windows and doors closed * Avoid intense outdoor physical activity * Run your air conditioner and/or an air purifier * If you must be outdoors, keep the time brief and wear a well- fitting N-95 mask * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and ga
ModerateAir qualityCAends in 2 h
Air Quality Alert · Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley
Air Quality Alert issued October 2 at 1:42PM MST by NWS Phoenix AZ
What to do
To protect your health, check air quality levels and act as needed: * When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity. * When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors. * When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid ext