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)
44
Good
Bedford, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.75 μg/m³
0
55
155
255
425
605+
47.60 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
5.16 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bedford, Massachusetts
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AQI 47
Good
5.49μg/m³
PM2.5
21.33μg/m³
PM10
50.74ppb
O3
0.80ppb
SO2
5.19ppb
NO2
0.19ppm
CO
AQI 46
Good
5.31μg/m³
PM2.5
20.79μg/m³
PM10
50.15ppb
O3
0.76ppb
SO2
4.93ppb
NO2
0.18ppm
CO
AQI 44
Good
5.25μg/m³
PM2.5
20.37μg/m³
PM10
47.39ppb
O3
0.63ppb
SO2
7.06ppb
NO2
0.18ppm
CO
AQI 45
Good
5.00μg/m³
PM2.5
21.61μg/m³
PM10
48.93ppb
O3
0.71ppb
SO2
9.69ppb
NO2
0.16ppm
CO
AQI 49
Good
5.51μg/m³
PM2.5
21.23μg/m³
PM10
52.86ppb
O3
0.84ppb
SO2
5.72ppb
NO2
0.19ppm
CO
AQI 46
Good
5.30μg/m³
PM2.5
20.14μg/m³
PM10
50.17ppb
O3
0.73ppb
SO2
4.66ppb
NO2
0.18ppm
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 10:00:00 on 2026-06-09.
In the last 24 hours, the best air quality in Bedford, Massachusetts was observed at 12:00:00 on 2026-06-09.
As of now, the AQI in Bedford, Massachusetts is 44, 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 5.306 μg/m3.
The PM10 concentration in Bedford, Massachusetts is 20.745 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bedford, Massachusetts is 0.182 ppm.
Currently, Bedford, Massachusetts has a sulfur dioxide (SO2) concentration of 0.728 ppb.
The current ozone (O3) level in Bedford, Massachusetts at the moment is 47.605 ppm.
Nitrogen dioxide (NO2) level in Bedford, Massachusetts at the moment is 5.159 ppb.
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