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)
37
Good
Bedford, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.40 μg/m³
0
55
155
255
425
605+
39.53 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
9.57 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bedford, Massachusetts
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AQI 37
Good
5.11μg/m³
PM2.5
21.69μg/m³
PM10
39.55ppb
O3
0.64ppb
SO2
11.99ppb
NO2
0.16ppm
CO
AQI 39
Good
5.11μg/m³
PM2.5
16.13μg/m³
PM10
42.26ppb
O3
0.62ppb
SO2
12.76ppb
NO2
0.16ppm
CO
AQI 40
Good
4.79μg/m³
PM2.5
18.55μg/m³
PM10
42.64ppb
O3
0.48ppb
SO2
12.19ppb
NO2
0.16ppm
CO
AQI 37
Good
5.30μg/m³
PM2.5
22.46μg/m³
PM10
40.34ppb
O3
0.59ppb
SO2
18.47ppb
NO2
0.16ppm
CO
AQI 31
Good
5.10μg/m³
PM2.5
15.82μg/m³
PM10
33.91ppb
O3
0.62ppb
SO2
12.46ppb
NO2
0.16ppm
CO
AQI 37
Good
5.18μg/m³
PM2.5
22.02μg/m³
PM10
40.17ppb
O3
0.60ppb
SO2
12.26ppb
NO2
0.16ppm
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 01:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Bedford, Massachusetts was observed at 03:00:00 on 2026-05-13.
As of now, the AQI in Bedford, Massachusetts is 37, indicating Good conditions.
Bedford, Massachusetts air has the highest levels of O3.
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 4.955 μg/m3.
The PM10 concentration in Bedford, Massachusetts is 21.401 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bedford, Massachusetts is 0.173 ppm.
Currently, Bedford, Massachusetts has a sulfur dioxide (SO2) concentration of 0.56 ppb.
The current ozone (O3) level in Bedford, Massachusetts at the moment is 39.531 ppm.
Nitrogen dioxide (NO2) level in Bedford, Massachusetts at the moment is 9.571 ppb.
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