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Air quality in Cal

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

Last update at 06:00, Apr 27 (local time)

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06:00, Apr 27 (local time)

US AQI

43*

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	43* US AQI	PM2.5

Pollutants		Concentration
PM2.5		10.4*µg/m³

PM2.5

x2.1

PM2.5 concentration in Cal is currently 2.1 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Today	Good 43 AQI US		77° 50°	8.9 mp/h
Sunday, Apr 28	Moderate 53 AQI US	90%	77° 53.6°	8.9 mp/h
Monday, Apr 29	Moderate 61 AQI US		77° 53.6°	13.4 mp/h
Tuesday, Apr 30	Moderate 78 AQI US	40%	78.8° 55.4°	4.5 mp/h
Wednesday, May 1	Moderate 79 AQI US	40%	75.2° 57.2°	11.2 mp/h
Thursday, May 2	Moderate 91 AQI US		73.4° 55.4°	15.7 mp/h
Friday, May 3	Moderate 60 AQI US	60%	69.8° 53.6°	20.1 mp/h