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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, Jun 1 (local time)

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#	city	US AQI
1	San Antonio, Texas	94
2	New Braunfels, Texas	88
3	Boerne, Texas	87
4	San Fernando, California	78
5	La Crescenta-Montrose, California	75
6	Austin, Texas	73
7	Pahrump, Nevada	73
8	Saint Petersburg, Florida	72
9	Glendora, California	71
10	Round Rock, Texas	70

16:00, Jun 1 (local time)

#	station	US AQI
1	Ditmars Trail	32
2	Stone Canon Ranch Road	26

16:00, Jun 1 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	29 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5.2µg/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
Wednesday, May 29	Good 25 AQI US		69.8° 46.4°	13.4 mp/h
Thursday, May 30	Good 29 AQI US		69.8° 44.6°	8.9 mp/h
Friday, May 31	Good 34 AQI US		75.2° 48.2°	8.9 mp/h
Friday, May 31	Good 29 AQI US	30%	75.2° 48.2°	8.9 mp/h
Today	Good 29 AQI US		80.6° 48.2°	17.9 mp/h
Sunday, Jun 2	Moderate 57 AQI US		78.8° 51.8°	11.2 mp/h
Monday, Jun 3	Good 27 AQI US		75.2° 53.6°	11.2 mp/h
Tuesday, Jun 4	Good 15 AQI US		84.2° 53.6°	6.7 mp/h
Wednesday, Jun 5	Good 20 AQI US		82.4° 51.8°	13.4 mp/h
Thursday, Jun 6	Good 21 AQI US	100%	80.6° 57.2°	11.2 mp/h
Friday, Jun 7	Good 31 AQI US	100%	64.4° 50°	8.9 mp/h