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Air quality near Portola Drive, San Mateo

Air quality index (AQI) and PM2.5 air pollution near Portola Drive, San Mateo

Last update at 20:00, Apr 17 (local time)

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Data source: PurpleAir

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#	city	US AQI
1	Springville, California	82
2	Porterville, California	81
3	Three Rivers, California	81
4	Shreveport, Louisiana	71
5	Elizabethtown, Pennsylvania	68
6	Visalia, California	64
7	Lewisville, Texas	63
8	Fort Worth, Texas	62
9	Charlottesville, Virginia	61
10	Oklahoma City, Oklahoma	61

20:00, Apr 17 (local time)

#	station	US AQI
1	238 41st Avenue	28
2	7th Avenue	26
3	37th Avenue	25
4	39th Ave	25
5	Louise outside	25
6	Meowchi Heaven - Park Place - San Mateo	25
7	Arroyo Ct	24
8	Parkside Area	24
9	Saint Matthew's Avenue	24
10	10th Ave and Palm	23

20:00, Apr 17 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	16 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.8µg/m³

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Day	Pollution level	Weather	Temperature	Wind
Sunday, Apr 14	Good 8 AQI US
Monday, Apr 15	Good 10 AQI US
Tuesday, Apr 16	Good 11 AQI US
Today	Good 16 AQI US		66.2° 51.8°	6.7 mp/h
Thursday, Apr 18	Good 25 AQI US		64.4° 50°	8.9 mp/h
Friday, Apr 19	Good 18 AQI US		64.4° 50°	11.2 mp/h
Saturday, Apr 20	Good 19 AQI US		64.4° 50°	6.7 mp/h
Sunday, Apr 21	Good 18 AQI US		62.6° 50°	8.9 mp/h
Monday, Apr 22	Good 15 AQI US		57.2° 50°	11.2 mp/h
Tuesday, Apr 23	Good 9 AQI US	40%	59° 50°	11.2 mp/h