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)
41
Good
Bedford, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.16 μg/m³
0
55
155
255
425
605+
44.22 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
3.20 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 41
Good
4.06μg/m³
PM2.5
15.59μg/m³
PM10
44.18ppb
O3
0.51ppb
SO2
3.03ppb
NO2
0.17ppm
CO
AQI 41
Good
4.05μg/m³
PM2.5
16.13μg/m³
PM10
44.29ppb
O3
0.53ppb
SO2
3.22ppb
NO2
0.17ppm
CO
AQI 41
Good
4.32μg/m³
PM2.5
15.10μg/m³
PM10
44.05ppb
O3
0.41ppb
SO2
2.83ppb
NO2
0.18ppm
CO
AQI 42
Good
4.03μg/m³
PM2.5
17.48μg/m³
PM10
44.72ppb
O3
0.57ppb
SO2
7.01ppb
NO2
0.18ppm
CO
AQI 41
Good
4.03μg/m³
PM2.5
16.39μg/m³
PM10
44.24ppb
O3
0.55ppb
SO2
3.36ppb
NO2
0.17ppm
CO
AQI 41
Good
4.05μg/m³
PM2.5
16.36μg/m³
PM10
44.27ppb
O3
0.60ppb
SO2
2.79ppb
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 Bedford, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Bedford, Massachusetts was at its worst at 09:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Bedford, Massachusetts was observed at 12:00:00 on 2026-03-29.
As of now, the AQI in Bedford, Massachusetts is 41, 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 4.174 μg/m3.
The PM10 concentration in Bedford, Massachusetts is 16.162 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bedford, Massachusetts is 0.171 ppm.
Currently, Bedford, Massachusetts has a sulfur dioxide (SO2) concentration of 0.509 ppb.
The current ozone (O3) level in Bedford, Massachusetts at the moment is 44.22 ppm.
Nitrogen dioxide (NO2) level in Bedford, Massachusetts at the moment is 3.198 ppb.
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