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Air quality in Waltham

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

Last update at 05:00, Apr 27 (local time)

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#	city	US AQI
1	Georgetown, Texas	96
2	Boerne, Texas	92
3	San Antonio, Texas	89
4	Chandler, Arizona	85
5	Austin, Texas	83
6	Yosemite Np Turtleback Dome, California	83
7	Leander, Texas	81
8	Phoenix, Arizona	81
9	Round Rock, Texas	80
10	Maricopa, Arizona	79

05:00, Apr 27 (local time)

#	station	US AQI
1	Brandeis University	15

05:00, Apr 27 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	15 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.6µg/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
Wednesday, Apr 24	Good 15 AQI US		55.4° 32°	8.9 mp/h
Thursday, Apr 25	Good 18 AQI US		57.2° 33.8°	6.7 mp/h
Friday, Apr 26	Good 15 AQI US		66.2° 35.6°	8.9 mp/h
Today	Good 15 AQI US		66.2° 35.6°	8.9 mp/h
Sunday, Apr 28	Good 25 AQI US	80%	64.4° 44.6°	6.7 mp/h
Monday, Apr 29	Good 48 AQI US	90%	69.8° 51.8°	6.7 mp/h
Tuesday, Apr 30	Good 37 AQI US	100%	53.6° 42.8°	4.5 mp/h
Wednesday, May 1	Good 38 AQI US	100%	57.2° 42.8°	4.5 mp/h
Thursday, May 2	Good 48 AQI US		71.6° 44.6°	6.7 mp/h
Friday, May 3	Moderate 59 AQI US	100%	60.8° 51.8°	6.7 mp/h