Stay updated with real-time air quality in Bedford, 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)
33
Good
Bedford, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.97 μg/m³
0
55
155
255
425
605+
25.99 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
13.39 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bedford, Massachusetts
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AQI 38
Good
7.26μg/m³
PM2.5
33.55μg/m³
PM10
17.84ppb
O3
0.85ppb
SO2
16.64ppb
NO2
0.44ppm
CO
AQI 44
Good
7.67μg/m³
PM2.5
26.47μg/m³
PM10
9.22ppb
O3
0.85ppb
SO2
17.09ppb
NO2
0.43ppm
CO
AQI 58
Moderate
13.05μg/m³
PM2.5
51.65μg/m³
PM10
12.98ppb
O3
0.77ppb
SO2
16.28ppb
NO2
0.43ppm
CO
AQI 38
Good
7.41μg/m³
PM2.5
32.07μg/m³
PM10
9.04ppb
O3
0.73ppb
SO2
14.23ppb
NO2
0.40ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
28.53μg/m³
PM10
17.36ppb
O3
0.91ppb
SO2
16.85ppb
NO2
0.44ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
20.29μg/m³
PM10
10.00ppb
O3
0.83ppb
SO2
16.38ppb
NO2
0.42ppm
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 Bedford, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Bedford, Massachusetts was at its worst at 03:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in Bedford, Massachusetts was observed at 05:00:00 on 2025-11-02.
As of now, the AQI in Bedford, Massachusetts is 38, indicating Good conditions.
Bedford, Massachusetts air has the highest levels of PM2.5.
Poor air quality in Bedford, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Bedford, Massachusetts are currently 7.342 μg/m3.
The PM10 concentration in Bedford, Massachusetts is 29.965 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bedford, Massachusetts is 0.297 ppm.
Currently, Bedford, Massachusetts has a sulfur dioxide (SO2) concentration of 0.487 ppb.
The current ozone (O3) level in Bedford, Massachusetts at the moment is 21.585 ppm.
Nitrogen dioxide (NO2) level in Bedford, Massachusetts at the moment is 13.91 ppb.
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