This map shows air quality in your area, updated hourly. The EPA also has the Air Quality Index for dozens of California cities. The BAAQMD has current and recent AQI from individual monitoring stations. The private company PurpleAir maintains an interactive, crowdsourced AQI map. Check here for a complete list of resources. Here is how to protect yourself from wildfire smoke.
Current Air Quality Monday, August 20 Monday, August 20 Air Quality Index The Air Quality Index, or AQI, much like an air quality “thermometer”, translates daily air pollution concentrations into a number on a scale between 0 and 500. The numbers in this scale are divided into six color-coded ranges, with numbers 0-300 as seen below. (0-50) Good No health impacts are expected when air quality is in this range. (51-100) Moderate Unusually sensitive people should consider limiting prolonged outdoor exertion. (101-150) Unhealthy for Sensitive Groups Active children and adults, and people with respiratory disease, such as asthma, should limit outdoor exertion. (151-200) Unhealthy Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion. (201-300) Very Unhealthy Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. (301-500) Hazardous Health warning of emergency conditions: everyone is more likely to be affected. 5 Day Forecast Air Quality Forecast Fri Sat Sun Mon Tue Northern Zone 67 51 42 46 G North Counties Coast and Central Bay 61 49 46 53 M Eastern District Eastern Zone 126 101 49 50 G Eastern District South Central Bay 77 54 42 46 G Eastern District Santa Clara Valley 118 101 47 48 G Eastern District SOURCE: AIRNow, Spare the Air
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