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)
31
Good
Framingham, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.18 μg/m³
0
55
155
255
425
605+
33.03 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
17.95 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Framingham, Massachusetts
Framingham, Massachusetts
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AQI 31
Good
4.72μg/m³
PM2.5
20.56μg/m³
PM10
33.17ppb
O3
0.44ppb
SO2
18.03ppb
NO2
0.41ppm
CO
AQI 30
Good
4.87μg/m³
PM2.5
22.68μg/m³
PM10
32.30ppb
O3
0.43ppb
SO2
18.51ppb
NO2
0.42ppm
CO
AQI 31
Good
4.80μg/m³
PM2.5
20.53μg/m³
PM10
33.48ppb
O3
0.43ppb
SO2
17.72ppb
NO2
0.41ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
28.22μg/m³
PM10
35.05ppb
O3
0.44ppb
SO2
15.47ppb
NO2
0.40ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
26.99μg/m³
PM10
31.02ppb
O3
0.47ppb
SO2
19.50ppb
NO2
0.40ppm
CO
AQI 33
Good
5.68μg/m³
PM2.5
22.76μg/m³
PM10
36.42ppb
O3
0.45ppb
SO2
15.26ppb
NO2
0.40ppm
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 03:00:00, 2025-12-28.
The best air quality in Framingham, Massachusetts was observed at 01:00:00 on 2025-12-28.
The air quality in Framingham, Massachusetts right now is Good, with an AQI of 31.
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 4.774 μg/m3.
Framingham, Massachusetts currently has a PM10 concentration of 21.181 μg/m3.
The current carbon monoxide (CO) level in Framingham, Massachusetts is 0.413 ppm.
The current sulfur dioxide (SO2) concentration in Framingham, Massachusetts is 0.434 ppb.
Framingham, Massachusetts currently has an ozone (O3) concentration of 33.031 ppm.
The current level of nitrogen dioxide (NO2) in Framingham, Massachusetts is 17.945 ppb.
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