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

MissionNo-burn, no-idle day while the air is badIdling and backyard burning add to the PM2.5 you are being warned about. · on ClimateChallenge.com
NWS Los Angeles/Oxnard CASource →
ModerateAir qualityCAends in 1 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

MissionNo-burn, no-idle day while the air is badIdling and backyard burning add to the PM2.5 you are being warned about. · on ClimateChallenge.com
NWS Phoenix AZSource →