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)
23
Good
Framingham, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.84 μg/m³
0
55
155
255
425
605+
25.09 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
1.57 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Framingham, Massachusetts
Framingham, Massachusetts
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AQI 22
Good
3.91μg/m³
PM2.5
16.46μg/m³
PM10
21.32ppb
O3
0.54ppb
SO2
3.17ppb
NO2
0.19ppm
CO
AQI 22
Good
3.94μg/m³
PM2.5
17.05μg/m³
PM10
21.59ppb
O3
0.56ppb
SO2
3.21ppb
NO2
0.19ppm
CO
AQI 22
Good
3.92μg/m³
PM2.5
16.18μg/m³
PM10
21.41ppb
O3
0.51ppb
SO2
3.23ppb
NO2
0.20ppm
CO
AQI 22
Good
3.85μg/m³
PM2.5
15.68μg/m³
PM10
22.28ppb
O3
0.49ppb
SO2
3.03ppb
NO2
0.20ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
16.87μg/m³
PM10
21.66ppb
O3
0.62ppb
SO2
3.02ppb
NO2
0.17ppm
CO
AQI 22
Good
3.86μg/m³
PM2.5
15.60μg/m³
PM10
22.34ppb
O3
0.47ppb
SO2
3.14ppb
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 08:00:00, 2026-08-13.
The best air quality in Framingham, Massachusetts was observed at 04:00:00 on 2026-08-14.
The air quality in Framingham, Massachusetts right now is Good, with an AQI of 23.
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 3.615 μg/m3.
Framingham, Massachusetts currently has a PM10 concentration of 15.842 μg/m3.
The current carbon monoxide (CO) level in Framingham, Massachusetts is 0.192 ppm.
The current sulfur dioxide (SO2) concentration in Framingham, Massachusetts is 0.562 ppb.
Framingham, Massachusetts currently has an ozone (O3) concentration of 25.089 ppm.
The current level of nitrogen dioxide (NO2) in Framingham, Massachusetts is 1.572 ppb.
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