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Air quality in Letchworth Garden City

Air quality index (AQI) and PM2.5 air pollution in Letchworth Garden City

Last update at 22:00, Apr 28 (local time)

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#	city	US AQI
1	West End of London, England	59
2	Port Talbot, Wales	55
3	Kensington, England	38
4	Wandsworth, England	37
5	Cheltenham, England	33
6	City of London, England	33
7	Erith, England	33
8	Glasgow, Scotland	33
9	Kingston upon Thames, England	33
10	Aberdeen, Scotland	32

22:00, Apr 28 (local time)

#	station	US AQI
1	Hallmead	23

22:00, Apr 28 (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		5.5µg/m³

PM2.5

x1.1

PM2.5 concentration in Letchworth Garden City is currently 1.1 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Thursday, Apr 25	Good 33 AQI US		46.4° 33.8°	11.2 mp/h
Friday, Apr 26	Good 30 AQI US		50° 32°	6.7 mp/h
Saturday, Apr 27	Good 28 AQI US		48.2° 37.4°	13.4 mp/h
Today	Good 23 AQI US	100%	48.2° 37.4°	17.9 mp/h
Monday, Apr 29	Good 23 AQI US		55.4° 37.4°	17.9 mp/h
Tuesday, Apr 30	Good 33 AQI US	60%	55.4° 41°	13.4 mp/h
Wednesday, May 1	Good 48 AQI US	90%	59° 44.6°	8.9 mp/h
Thursday, May 2	Good 36 AQI US	90%	55.4° 46.4°	13.4 mp/h
Friday, May 3	Good 16 AQI US	40%	55.4° 46.4°	13.4 mp/h
Saturday, May 4	Good 28 AQI US	100%	55.4° 42.8°	8.9 mp/h
Sunday, May 5	Good 32 AQI US	80%	57.2° 41°	15.7 mp/h