NO2 in San Francisco, CA

Real-time Nitrogen Dioxide monitoring and health recommendations

Current NO2 Levels

44
Good

Overall AQI

37
ppb
AQI 44

About Nitrogen Dioxide

A reddish-brown gas from burning fuel, can irritate airways.

Measured in ppb

Health Impact

Good

Air quality is considered satisfactory, and air pollution poses little or no risk.

Sources of NO2

• Vehicle emissions (cars, trucks, buses)

• Power plants and industrial boilers

• Off-road equipment and engines

• Residential heating systems

Other Pollutants

PM2.5
Fine Particulate Matter
PM2.5
Fine Particulate Matter
PM10
Coarse Particulate Matter
Ozone
Ground-level Ozone
Ozone
Ground-level Ozone

Full Air Quality Report

View all pollutants and comprehensive air quality data for San Francisco.

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Compare Cities

See how NO2 levels in San Francisco compare to other cities

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