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Air quality near Shelden Road, San Mateo

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

Last update at 16:00, Apr 19 (local time)

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Data source: PurpleAir

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#	city	US AQI
1	Yucaipa, California	78
2	Lake Arrowhead, California	77
3	Three Rivers, California	76
4	South Gate, California	72
5	San Gabriel, California	69
6	Corpus Christi, Texas	68
7	Redlands, California	68
8	The Woodlands, Texas	68
9	Altadena, California	67
10	La Crescenta-Montrose, California	66

16:00, Apr 19 (local time)

16:00, Apr 19 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	21 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5.2µg/m³

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Day	Pollution level	Weather	Temperature	Wind
Wednesday, Apr 17	Good 19 AQI US
Thursday, Apr 18	Good 22 AQI US
Thursday, Apr 18	Good 22 AQI US		68° 46.4°	6.7 mp/h
Today	Good 21 AQI US		66.2° 48.2°	6.7 mp/h
Saturday, Apr 20	Good 18 AQI US		69.8° 50°	6.7 mp/h
Sunday, Apr 21	Good 24 AQI US		66.2° 48.2°	6.7 mp/h
Monday, Apr 22	Good 15 AQI US		57.2° 46.4°	8.9 mp/h
Tuesday, Apr 23	Good 15 AQI US		57.2° 48.2°	8.9 mp/h
Wednesday, Apr 24	Good 15 AQI US		57.2° 46.4°	6.7 mp/h
Thursday, Apr 25	Good 13 AQI US	70%	59° 48.2°	13.4 mp/h