Stay updated with real-time air quality in Framingham, 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)
42
Good
Framingham, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.50 μg/m³
0
55
155
255
425
605+
44.55 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Framingham, Massachusetts
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AQI 42
Good
4.80μg/m³
PM2.5
19.85μg/m³
PM10
44.58ppb
O3
0.37ppb
SO2
2.66ppb
NO2
0.19ppm
CO
AQI 41
Good
4.79μg/m³
PM2.5
20.22μg/m³
PM10
44.36ppb
O3
0.40ppb
SO2
2.79ppb
NO2
0.19ppm
CO
AQI 42
Good
4.63μg/m³
PM2.5
18.67μg/m³
PM10
44.66ppb
O3
0.35ppb
SO2
2.61ppb
NO2
0.20ppm
CO
AQI 42
Good
4.28μg/m³
PM2.5
14.35μg/m³
PM10
44.67ppb
O3
0.32ppb
SO2
2.53ppb
NO2
0.20ppm
CO
AQI 41
Good
4.61μg/m³
PM2.5
19.23μg/m³
PM10
44.46ppb
O3
0.44ppb
SO2
3.58ppb
NO2
0.18ppm
CO
AQI 41
Good
4.25μg/m³
PM2.5
13.54μg/m³
PM10
44.13ppb
O3
0.31ppb
SO2
2.51ppb
NO2
0.20ppm
CO
The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Framingham, Massachusetts are available every hour.
Framingham, Massachusetts experienced its worst air quality at 09:00:00, 2026-03-29.
The best air quality in Framingham, Massachusetts was observed at 08:00:00 on 2026-03-29.
The air quality in Framingham, Massachusetts right now is Good, with an AQI of 42.
In Framingham, Massachusetts, O3 is the most frequently found pollutant.
When air quality in Framingham, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Framingham, Massachusetts currently has a PM2.5 concentration of 4.843 μg/m3.
Framingham, Massachusetts currently has a PM10 concentration of 20.502 μg/m3.
The current carbon monoxide (CO) level in Framingham, Massachusetts is 0.194 ppm.
The current sulfur dioxide (SO2) concentration in Framingham, Massachusetts is 0.375 ppb.
Framingham, Massachusetts currently has an ozone (O3) concentration of 44.551 ppm.
The current level of nitrogen dioxide (NO2) in Framingham, Massachusetts is 2.767 ppb.
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