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Middlesex County
Watertown
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Watertown
Middlesex County, Massachusetts
2024-11-21 11:00
AQI (US)
Good
Pollutants
|
Pollens
O3
μg/m³
40.7
PM2.5
μg/m³
2.3
NO2
μg/m³
20.5
PM10
μg/m³
4
CO
μg/m³
125
SO2
μg/m³
1.7
Pollen
0.5
Weather
℃
℃
℉
7℃
87%
32 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
O3
PM2.5
NO2
PM10
CO
SO2
Data Sources
http://www.airnow.gov/
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