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)
29
Good
Spencer, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.52 μg/m³
0
55
155
255
425
605+
31.07 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
2.39 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Spencer, Massachusetts
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AQI 27
Good
2.79μg/m³
PM2.5
7.39μg/m³
PM10
29.14ppb
O3
0.28ppb
SO2
1.82ppb
NO2
0.20ppm
CO
AQI 30
Good
2.83μg/m³
PM2.5
9.43μg/m³
PM10
31.75ppb
O3
0.25ppb
SO2
2.18ppb
NO2
0.19ppm
CO
AQI 28
Good
2.69μg/m³
PM2.5
6.37μg/m³
PM10
29.87ppb
O3
0.29ppb
SO2
1.98ppb
NO2
0.20ppm
CO
AQI 29
Good
2.60μg/m³
PM2.5
5.03μg/m³
PM10
30.85ppb
O3
0.30ppb
SO2
2.00ppb
NO2
0.20ppm
CO
AQI 28
Good
2.71μg/m³
PM2.5
6.64μg/m³
PM10
29.68ppb
O3
0.28ppb
SO2
1.92ppb
NO2
0.20ppm
CO
AQI 30
Good
2.82μg/m³
PM2.5
9.51μg/m³
PM10
31.70ppb
O3
0.26ppb
SO2
2.17ppb
NO2
0.21ppm
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 03:00:00, 2026-02-11.
The best air quality in Spencer, Massachusetts was observed at 02:00:00 on 2026-02-12.
The air quality in Spencer, Massachusetts right now is Good, with an AQI of 29.
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 3.2 μg/m3.
Spencer, Massachusetts currently has a PM10 concentration of 9.517 μg/m3.
The current carbon monoxide (CO) level in Spencer, Massachusetts is 0.188 ppm.
The current sulfur dioxide (SO2) concentration in Spencer, Massachusetts is 0.248 ppb.
Spencer, Massachusetts currently has an ozone (O3) concentration of 31.072 ppm.
The current level of nitrogen dioxide (NO2) in Spencer, Massachusetts is 2.39 ppb.
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