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)
39
Good
Woburn, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.99 μg/m³
0
55
155
255
425
605+
41.94 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
9.49 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Woburn, Massachusetts
Woburn, Massachusetts
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AQI 39
Good
4.52μg/m³
PM2.5
20.99μg/m³
PM10
41.94ppb
O3
0.63ppb
SO2
9.49ppb
NO2
0.17ppm
CO
AQI 40
Good
5.13μg/m³
PM2.5
19.71μg/m³
PM10
42.97ppb
O3
0.61ppb
SO2
6.08ppb
NO2
0.15ppm
CO
AQI 39
Good
4.48μg/m³
PM2.5
16.99μg/m³
PM10
42.33ppb
O3
0.58ppb
SO2
9.57ppb
NO2
0.17ppm
CO
AQI 40
Good
4.84μg/m³
PM2.5
17.07μg/m³
PM10
42.66ppb
O3
0.57ppb
SO2
10.50ppb
NO2
0.17ppm
CO
AQI 40
Good
5.32μg/m³
PM2.5
19.79μg/m³
PM10
43.27ppb
O3
0.58ppb
SO2
5.25ppb
NO2
0.15ppm
CO
AQI 39
Good
4.92μg/m³
PM2.5
20.98μg/m³
PM10
41.91ppb
O3
0.60ppb
SO2
9.58ppb
NO2
0.17ppm
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 01:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Woburn, Massachusetts was observed at 02:00:00 on 2026-05-14.
As of now, the AQI in Woburn, Massachusetts is 39, 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 4.521 μg/m3.
The PM10 concentration in Woburn, Massachusetts is 20.993 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Woburn, Massachusetts is 0.165 ppm.
Currently, Woburn, Massachusetts has a sulfur dioxide (SO2) concentration of 0.629 ppb.
The current ozone (O3) level in Woburn, Massachusetts at the moment is 41.942 ppm.
Nitrogen dioxide (NO2) level in Woburn, Massachusetts at the moment is 9.486 ppb.
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