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Air quality in San Francisco

Air quality index (AQI) and PM2.5 air pollution in San Francisco

Last update at 09:00, May 29 (local time)

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#	city	US AQI
1	Tegucigalpa, Francisco Morazan	172

09:00, May 29 (local time)

US AQI

89*

live AQI index
Moderate

Air pollution level	Air quality index	Main pollutant
Moderate	89* US AQI	PM2.5

Pollutants		Concentration
PM2.5		29.8*µg/m³

PM2.5

PM2.5 concentration in San Francisco is currently 6 times the WHO annual air quality guideline value

	Sensitive groups should reduce outdoor exercise
	Close your windows to avoid dirty outdoor air GET A MONITOR
	Sensitive groups should wear a mask outdoors GET A MASK
	Sensitive groups should run an air purifier GET AN AIR PURIFIER

Day	Pollution level	Weather	Temperature	Wind
Today	Moderate 89 AQI US	80%	89.6° 77°	6.7 mp/h
Thursday, May 30	Moderate 56 AQI US	80%	91.4° 75.2°	8.9 mp/h
Friday, May 31	Moderate 62 AQI US	80%	89.6° 75.2°	8.9 mp/h
Saturday, Jun 1	Moderate 64 AQI US	90%	89.6° 75.2°	8.9 mp/h
Sunday, Jun 2	Moderate 61 AQI US	70%	89.6° 75.2°	6.7 mp/h
Monday, Jun 3	Moderate 60 AQI US		89.6° 75.2°	6.7 mp/h
Tuesday, Jun 4	Moderate 62 AQI US		91.4° 75.2°	6.7 mp/h