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)
42
Good
Woburn, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.36 μg/m³
0
55
155
255
425
605+
44.69 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
4.12 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Woburn, Massachusetts
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AQI 42
Good
4.19μg/m³
PM2.5
19.36μg/m³
PM10
44.69ppb
O3
0.57ppb
SO2
4.12ppb
NO2
0.20ppm
CO
AQI 41
Good
4.21μg/m³
PM2.5
15.58μg/m³
PM10
43.92ppb
O3
0.60ppb
SO2
3.31ppb
NO2
0.21ppm
CO
AQI 43
Good
4.34μg/m³
PM2.5
19.52μg/m³
PM10
45.55ppb
O3
0.53ppb
SO2
4.13ppb
NO2
0.20ppm
CO
AQI 42
Good
4.12μg/m³
PM2.5
17.97μg/m³
PM10
44.65ppb
O3
0.56ppb
SO2
4.34ppb
NO2
0.20ppm
CO
AQI 41
Good
4.21μg/m³
PM2.5
14.85μg/m³
PM10
43.88ppb
O3
0.59ppb
SO2
3.07ppb
NO2
0.21ppm
CO
AQI 42
Good
4.32μg/m³
PM2.5
15.18μg/m³
PM10
44.85ppb
O3
0.52ppb
SO2
3.92ppb
NO2
0.20ppm
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 10:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Woburn, Massachusetts was observed at 03:00:00 on 2026-03-29.
As of now, the AQI in Woburn, Massachusetts is 42, 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 4.193 μg/m3.
The PM10 concentration in Woburn, Massachusetts is 19.365 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Woburn, Massachusetts is 0.2 ppm.
Currently, Woburn, Massachusetts has a sulfur dioxide (SO2) concentration of 0.573 ppb.
The current ozone (O3) level in Woburn, Massachusetts at the moment is 44.69 ppm.
Nitrogen dioxide (NO2) level in Woburn, Massachusetts at the moment is 4.119 ppb.
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