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Air quality in Castle Rock

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

Last update at 09:00, May 7 (local time)

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#	city	US AQI
1	Corpus Christi, Texas	110
2	The Woodlands, Texas	99
3	Calexico, California	89
4	Casa Grande, Arizona	86
5	Maricopa, Arizona	82
6	Dover, Delaware	80
7	Lancaster, Pennsylvania	80
8	Ester, Alaska	78
9	Catonsville, Maryland	75
10	Elizabethtown, Pennsylvania	75

09:00, May 7 (local time)

#	station	US AQI
1	Stone Canon Ranch Road	25
2	Ditmars Trail	21

09:00, May 7 (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		4.1µg/m³

✓

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
Saturday, May 4	Good 26 AQI US		68° 39.2°	20.1 mp/h
Sunday, May 5	Good 27 AQI US		51.8° 37.4°	35.8 mp/h
Monday, May 6	Good 25 AQI US		53.6° 37.4°	22.4 mp/h
Today	Good 23 AQI US		53.6° 37.4°	22.4 mp/h
Wednesday, May 8	Good 8 AQI US	30%	51.8° 32°	13.4 mp/h
Thursday, May 9	Good 7 AQI US	60%	44.6° 32°	8.9 mp/h
Friday, May 10	Good 9 AQI US		57.2° 32°	4.5 mp/h
Saturday, May 11	Good 15 AQI US	40%	66.2° 39.2°	8.9 mp/h
Sunday, May 12	Good 9 AQI US	30%	66.2° 42.8°	15.7 mp/h
Monday, May 13	Good 7 AQI US		69.8° 44.6°	6.7 mp/h