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Air quality in Chelmsford

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

Last update at 18:00, Apr 24 (local time)

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#	city	US AQI
1	Savannah, Georgia	94
2	Indio, California	91
3	Coachella, California	78
4	Hamilton, Montana	64
5	North Charleston, South Carolina	63
6	Charleston, South Carolina	62
7	Palm Desert, California	60
8	Whiterocks, Utah	59
9	Pahrump, Nevada	58
10	Aiken, South Carolina	57

18:00, Apr 24 (local time)

#	station	US AQI
1	Chelmsford Station	36
2	Carlisle Street	10

18:00, Apr 24 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	37 US AQI	O3

✓

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

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Day	Pollution level	Weather	Temperature	Wind
Sunday, Apr 21	Good 30 AQI US		53.6° 35.6°	8.9 mp/h
Monday, Apr 22	Good 23 AQI US		62.6° 35.6°	8.9 mp/h
Tuesday, Apr 23	Good 27 AQI US		57.2° 37.4°	13.4 mp/h
Today	Good 37 AQI US	90%	57.2° 37.4°	13.4 mp/h
Thursday, Apr 25	Good 7 AQI US		55.4° 30.2°	8.9 mp/h
Friday, Apr 26	Good 13 AQI US		57.2° 32°	6.7 mp/h
Saturday, Apr 27	Good 15 AQI US		62.6° 37.4°	8.9 mp/h
Sunday, Apr 28	Good 21 AQI US	50%	55.4° 44.6°	2.2 mp/h
Monday, Apr 29	Moderate 56 AQI US		64.4° 44.6°	6.7 mp/h
Tuesday, Apr 30	Moderate 58 AQI US	100%	78.8° 53.6°	11.2 mp/h
Wednesday, May 1	Moderate 68 AQI US	100%	68° 53.6°	11.2 mp/h