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Air quality in Portola Valley

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

Last update at 00:00, Apr 26 (local time)

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#	city	US AQI
1	Palm Desert, California	170
2	North Charleston, South Carolina	87
3	Pahrump, Nevada	84
4	Casa Grande, Arizona	74
5	Lewisville, Texas	73
6	Savannah, Georgia	71
7	Charleston, South Carolina	66
8	Dallas, Texas	64
9	Fort Worth, Texas	62
10	Denton, Texas	61

00:00, Apr 26 (local time)

00:00, Apr 26 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	7 US AQI	PM2.5

Pollutants		Concentration
PM2.5		1.8µg/m³

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PM2.5 concentration in Portola Valley air currently meets the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Tuesday, Apr 23	Good 14 AQI US		60.8° 48.2°	8.9 mp/h
Wednesday, Apr 24	Good 10 AQI US		60.8° 50°	11.2 mp/h
Thursday, Apr 25	Good 5 AQI US		57.2° 48.2°	15.7 mp/h
Today	Good 7 AQI US	30%	57.2° 48.2°	15.7 mp/h
Saturday, Apr 27	Good 14 AQI US		59° 48.2°	13.4 mp/h
Sunday, Apr 28	Good 16 AQI US		59° 46.4°	11.2 mp/h
Monday, Apr 29	Good 23 AQI US		60.8° 46.4°	13.4 mp/h
Tuesday, Apr 30	Good 18 AQI US		60.8° 44.6°	11.2 mp/h
Wednesday, May 1	Good 16 AQI US		66.2° 46.4°	8.9 mp/h
Thursday, May 2	Good 16 AQI US		62.6° 48.2°	8.9 mp/h