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)
35
Good
Framingham, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.56 μg/m³
0
55
155
255
425
605+
38.34 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
10.57 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Framingham, Massachusetts
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AQI 35
Good
5.20μg/m³
PM2.5
21.84μg/m³
PM10
38.41ppb
O3
0.29ppb
SO2
10.25ppb
NO2
0.15ppm
CO
AQI 35
Good
5.18μg/m³
PM2.5
22.05μg/m³
PM10
38.03ppb
O3
0.29ppb
SO2
10.18ppb
NO2
0.15ppm
CO
AQI 35
Good
5.14μg/m³
PM2.5
21.15μg/m³
PM10
38.47ppb
O3
0.28ppb
SO2
9.87ppb
NO2
0.15ppm
CO
AQI 34
Good
4.43μg/m³
PM2.5
14.15μg/m³
PM10
36.59ppb
O3
0.26ppb
SO2
9.57ppb
NO2
0.15ppm
CO
AQI 33
Good
5.17μg/m³
PM2.5
21.78μg/m³
PM10
36.23ppb
O3
0.32ppb
SO2
12.14ppb
NO2
0.15ppm
CO
AQI 35
Good
4.43μg/m³
PM2.5
13.90μg/m³
PM10
38.22ppb
O3
0.26ppb
SO2
9.23ppb
NO2
0.15ppm
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, 2026-03-14.
The best air quality in Framingham, Massachusetts was observed at 11:00:00 on 2026-03-13.
The air quality in Framingham, Massachusetts right now is Good, with an AQI of 35.
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 5.254 μg/m3.
Framingham, Massachusetts currently has a PM10 concentration of 22.561 μg/m3.
The current carbon monoxide (CO) level in Framingham, Massachusetts is 0.156 ppm.
The current sulfur dioxide (SO2) concentration in Framingham, Massachusetts is 0.29 ppb.
Framingham, Massachusetts currently has an ozone (O3) concentration of 38.336 ppm.
The current level of nitrogen dioxide (NO2) in Framingham, Massachusetts is 10.566 ppb.
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