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Air quality in Castle Rock

Air quality index (AQI) and PM2.5 air pollution in Castle Rock

Last update at 16:00, May 18 (local time)

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#	city	US AQI
1	Corpus Christi, Texas	80
2	The Woodlands, Texas	71
3	Glendale, California	69
4	La Crescenta-Montrose, California	67
5	San Bernardino, California	67
6	San Fernando, California	67
7	San Gabriel, California	67
8	Altadena, California	66
9	Houston, Texas	66
10	Pasadena, California	66

16:00, May 18 (local time)

16:00, May 18 (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		4.2µg/m³

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PM2.5 concentration in Castle Rock air currently meets the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Wednesday, May 15	Good 23 AQI US		66.2° 42.8°	11.2 mp/h
Thursday, May 16	Good 24 AQI US		73.4° 46.4°	6.7 mp/h
Friday, May 17	Good 25 AQI US		69.8° 48.2°	15.7 mp/h
Today	Good 23 AQI US	80%	69.8° 48.2°	15.7 mp/h
Sunday, May 19	Good 25 AQI US	40%	73.4° 46.4°	13.4 mp/h
Monday, May 20	Good 22 AQI US	20%	75.2° 46.4°	20.1 mp/h
Tuesday, May 21	Good 15 AQI US	80%	62.6° 39.2°	11.2 mp/h
Wednesday, May 22	Good 8 AQI US		66.2° 33.8°	8.9 mp/h
Thursday, May 23	Good 20 AQI US		73.4° 44.6°	15.7 mp/h
Friday, May 24	Moderate 66 AQI US	30%	62.6° 48.2°	13.4 mp/h
Saturday, May 25	Good 8 AQI US		66.2° 41°	8.9 mp/h