Stay updated with real-time air quality in Woburn, Massachusetts featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
21
Good
Woburn, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.50 μg/m³
0
55
155
255
425
605+
22.93 ppb
0
55
71
86
201
201+
1.02 ppb
0
36
76
186
605
1005+
5.64 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Woburn, Massachusetts
Woburn, Massachusetts
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AQI 21
Good
1.11μg/m³
PM2.5
5.50μg/m³
PM10
22.93ppb
O3
1.02ppb
SO2
5.64ppb
NO2
0.25ppm
CO
AQI 20
Good
1.10μg/m³
PM2.5
4.50μg/m³
PM10
22.46ppb
O3
1.03ppb
SO2
3.26ppb
NO2
0.27ppm
CO
AQI 20
Good
1.00μg/m³
PM2.5
6.93μg/m³
PM10
22.46ppb
O3
0.97ppb
SO2
4.80ppb
NO2
0.24ppm
CO
AQI 21
Good
0.95μg/m³
PM2.5
4.95μg/m³
PM10
22.82ppb
O3
0.96ppb
SO2
3.13ppb
NO2
0.24ppm
CO
AQI 21
Good
0.95μg/m³
PM2.5
3.71μg/m³
PM10
22.63ppb
O3
1.01ppb
SO2
2.79ppb
NO2
0.27ppm
CO
AQI 20
Good
1.28μg/m³
PM2.5
5.58μg/m³
PM10
21.54ppb
O3
0.94ppb
SO2
6.20ppb
NO2
0.25ppm
CO
Air quality and pollutant data for Massachusetts, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Woburn, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Woburn, Massachusetts was at its worst at 03:00:00 on 2026-09-28.
In the last 24 hours, the best air quality in Woburn, Massachusetts was observed at 10:00:00 on 2026-09-28.
As of now, the AQI in Woburn, Massachusetts is 21, indicating Good conditions.
Woburn, Massachusetts air has the highest levels of O3.
Poor air quality in Woburn, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Woburn, Massachusetts are currently 1.106 μg/m3.
The PM10 concentration in Woburn, Massachusetts is 5.504 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Woburn, Massachusetts is 0.253 ppm.
Currently, Woburn, Massachusetts has a sulfur dioxide (SO2) concentration of 1.02 ppb.
The current ozone (O3) level in Woburn, Massachusetts at the moment is 22.932 ppm.
Nitrogen dioxide (NO2) level in Woburn, Massachusetts at the moment is 5.636 ppb.
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