city

Air quality in Portola Valley

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

Last update at 16:00, Apr 28 (local time)

4.4K people follow this city

AIR QUALITY DATA CONTRIBUTORS

26 Stations operated by

Anonymous contributor

See all

Join the movement!

Get a monitor and contributor to air quality data in your city.

16:00, Apr 28 (local time)

#	station	US AQI
1	4139 Alpine Road	44
2	14 Arastradero	21
3	LSAC Building 950	20
4	San Francisquito Creek Road	19
5	Ladera - Lucero and Mimosa	17
6	3249 Alpine Road	16
7	Alhambra Court	16
8	Millennium farm	16
9	9 Valley Oak Street	15
10	Experimental Facilities Dept Shops EFD	15

16:00, Apr 28 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	14 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.5µg/m³

✓

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

	Enjoy outdoor activities
	Open your windows to bring clean, fresh air indoors GET A MONITOR

Day	Pollution level	Weather	Temperature	Wind
Thursday, Apr 25	Good 5 AQI US		60.8° 48.2°	15.7 mp/h
Friday, Apr 26	Good 7 AQI US		64.4° 48.2°	11.2 mp/h
Saturday, Apr 27	Good 9 AQI US		64.4° 48.2°	11.2 mp/h
Saturday, Apr 27	Good 12 AQI US		64.4° 48.2°	11.2 mp/h
Today	Good 14 AQI US		60.8° 46.4°	15.7 mp/h
Monday, Apr 29	Good 21 AQI US		59° 44.6°	13.4 mp/h
Tuesday, Apr 30	Good 20 AQI US		66.2° 46.4°	15.7 mp/h
Wednesday, May 1	Good 20 AQI US		69.8° 51.8°	8.9 mp/h
Thursday, May 2	Good 15 AQI US		68° 50°	6.7 mp/h
Friday, May 3	Good 13 AQI US	100%	57.2° 48.2°	8.9 mp/h
Saturday, May 4	Good 10 AQI US	100%	55.4° 48.2°	11.2 mp/h