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Air quality in Half Moon Bay

Air quality index (AQI) and PM2.5 air pollution in Half Moon Bay

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

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#	city	US AQI
1	Porterville, California	88
2	Frederick, Maryland	84
3	Casa Grande, Arizona	82
4	Sequoia National Park, California	80
5	Three Rivers, California	78
6	Anchorage, Alaska	71
7	Springville, California	65
8	Charles Town, West Virginia	64
9	Reston, Virginia	63
10	Visalia, California	63

00:00, Apr 19 (local time)

#	station	US AQI
1	Sand Dunes Court	73
2	Terrace Ave	39
3	Alsace Lorraine Avenue	27
4	Kelly Avenue-Cunha Intermediate Outside	27
5	The Tree House	27
6	Half Moon Bay High School Outside	24
7	Coronado Avenue	23
8	Le Mans Way	23
9	Coastside Senior Housing	14
10	Bayhill Road	12

00:00, Apr 19 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	23 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5.6µg/m³

PM2.5

x1.1

PM2.5 concentration in Half Moon Bay is currently 1.1 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Tuesday, Apr 16	Good 19 AQI US		66.2° 51.8°	11.2 mp/h
Wednesday, Apr 17	Good 21 AQI US		64.4° 51.8°	6.7 mp/h
Thursday, Apr 18	Good 24 AQI US		59° 50°	6.7 mp/h
Today	Good 23 AQI US		59° 50°	6.7 mp/h
Saturday, Apr 20	Good 19 AQI US		59° 50°	11.2 mp/h
Sunday, Apr 21	Good 18 AQI US		60.8° 51.8°	11.2 mp/h
Monday, Apr 22	Good 26 AQI US		59° 51.8°	13.4 mp/h
Tuesday, Apr 23	Good 17 AQI US	20%	57.2° 51.8°	13.4 mp/h
Wednesday, Apr 24	Good 15 AQI US	20%	55.4° 50°	11.2 mp/h
Thursday, Apr 25	Good 11 AQI US	30%	51.8° 50°	6.7 mp/h