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Air quality in Waltham

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

Last update at 21:00, May 1 (local time)

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#	station	US AQI
1	Bonaire-SGU-GND-01	8

21:00, May 1 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	8 US AQI	PM2.5

Pollutants		Concentration
PM2.5		2µg/m³

✓

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

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Day	Pollution level	Weather	Temperature	Wind
Sunday, Apr 28	Good 10 AQI US		80.6° 78.8°	13.4 mp/h
Monday, Apr 29	Good 9 AQI US		80.6° 78.8°	17.9 mp/h
Tuesday, Apr 30	Good 8 AQI US		80.6° 78.8°	17.9 mp/h
Today	Good 8 AQI US	70%	80.6° 80.6°	17.9 mp/h
Thursday, May 2	Good 12 AQI US		82.4° 80.6°	17.9 mp/h
Friday, May 3	Good 44 AQI US	30%	82.4° 80.6°	17.9 mp/h
Saturday, May 4	Moderate 55 AQI US	50%	82.4° 80.6°	17.9 mp/h
Sunday, May 5	Moderate 54 AQI US	80%	82.4° 80.6°	15.7 mp/h
Monday, May 6	Moderate 56 AQI US	100%	80.6° 78.8°	15.7 mp/h
Tuesday, May 7	Moderate 57 AQI US		80.6° 80.6°	13.4 mp/h