Stay updated with real-time air quality in Spencer, 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)
36
Good
Spencer, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.56 μg/m³
0
55
155
255
425
605+
38.73 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
9.24 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Spencer, Massachusetts
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AQI 35
Good
4.16μg/m³
PM2.5
12.76μg/m³
PM10
37.96ppb
O3
0.28ppb
SO2
11.46ppb
NO2
0.26ppm
CO
AQI 37
Good
4.27μg/m³
PM2.5
15.03μg/m³
PM10
39.90ppb
O3
0.27ppb
SO2
9.13ppb
NO2
0.28ppm
CO
AQI 35
Good
4.38μg/m³
PM2.5
12.37μg/m³
PM10
37.74ppb
O3
0.29ppb
SO2
14.87ppb
NO2
0.28ppm
CO
AQI 34
Good
4.69μg/m³
PM2.5
12.01μg/m³
PM10
37.16ppb
O3
0.30ppb
SO2
18.90ppb
NO2
0.30ppm
CO
AQI 35
Good
4.29μg/m³
PM2.5
12.41μg/m³
PM10
37.91ppb
O3
0.29ppb
SO2
13.59ppb
NO2
0.27ppm
CO
AQI 37
Good
3.97μg/m³
PM2.5
15.08μg/m³
PM10
40.20ppb
O3
0.27ppb
SO2
9.96ppb
NO2
0.28ppm
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 Spencer, Massachusetts are available every hour.
Spencer, Massachusetts experienced its worst air quality at 02:00:00, 2026-05-14.
The best air quality in Spencer, Massachusetts was observed at 03:00:00 on 2026-05-13.
The air quality in Spencer, Massachusetts right now is Good, with an AQI of 36.
In Spencer, Massachusetts, O3 is the most frequently found pollutant.
When air quality in Spencer, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Spencer, Massachusetts currently has a PM2.5 concentration of 4.113 μg/m3.
Spencer, Massachusetts currently has a PM10 concentration of 12.556 μg/m3.
The current carbon monoxide (CO) level in Spencer, Massachusetts is 0.234 ppm.
The current sulfur dioxide (SO2) concentration in Spencer, Massachusetts is 0.277 ppb.
Spencer, Massachusetts currently has an ozone (O3) concentration of 38.732 ppm.
The current level of nitrogen dioxide (NO2) in Spencer, Massachusetts is 9.243 ppb.
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