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Air quality in Castle Rock

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

Last update at 13:00, Jun 1 (local time)

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#	city	US AQI
1	Channelview, Texas	91
2	San Antonio, Texas	87
3	San Bernardino, California	85
4	Fontana, California	84
5	New Braunfels, Texas	82
6	Baytown, Texas	81
7	Pasadena, Texas	80
8	Rancho Cucamonga, California	79
9	Yucaipa, California	79
10	San Fernando, California	76

13:00, Jun 1 (local time)

#	station	US AQI
1	Delameter Road	22

13:00, Jun 1 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	22 US AQI	PM2.5

Pollutants		Concentration
PM2.5		4µg/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 14 AQI US		64.4° 41°	6.7 mp/h
Thursday, May 30	Good 16 AQI US		75.2° 41°	4.5 mp/h
Friday, May 31	Good 18 AQI US		66.2° 50°	4.5 mp/h
Today	Good 22 AQI US		66.2° 50°	4.5 mp/h
Sunday, Jun 2	Good 14 AQI US	100%	55.4° 51.8°	8.9 mp/h
Monday, Jun 3	Good 8 AQI US	100%	55.4° 48.2°	8.9 mp/h
Tuesday, Jun 4	Good 11 AQI US	100%	55.4° 48.2°	6.7 mp/h
Wednesday, Jun 5	Good 25 AQI US		69.8° 44.6°	6.7 mp/h
Thursday, Jun 6	Good 40 AQI US		80.6° 42.8°	6.7 mp/h
Friday, Jun 7	Good 34 AQI US		87.8° 51.8°	4.5 mp/h