Stay updated with real-time air quality in Charlton, 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)
56
Moderate
Charlton, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.94 μg/m³
0
55
155
255
425
605+
23.68 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
13.45 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Charlton, Massachusetts
Charlton, Massachusetts
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AQI 52
Moderate
9.81μg/m³
PM2.5
43.35μg/m³
PM10
38.68ppb
O3
0.28ppb
SO2
2.45ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.67μg/m³
PM2.5
22.15μg/m³
PM10
41.87ppb
O3
0.28ppb
SO2
3.04ppb
NO2
0.23ppm
CO
AQI 52
Moderate
9.84μg/m³
PM2.5
43.57μg/m³
PM10
33.86ppb
O3
0.28ppb
SO2
2.50ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
43.73μg/m³
PM10
39.36ppb
O3
0.29ppb
SO2
3.05ppb
NO2
0.22ppm
CO
AQI 49
Good
8.50μg/m³
PM2.5
31.10μg/m³
PM10
42.78ppb
O3
0.27ppb
SO2
2.38ppb
NO2
0.23ppm
CO
AQI 44
Good
8.11μg/m³
PM2.5
19.04μg/m³
PM10
42.05ppb
O3
0.24ppb
SO2
3.08ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for Massachusetts, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Charlton, Massachusetts is updated every hour.
The worst air quality in Charlton, Massachusetts in the last 24 hours was observed at 03:00:00 on 2025-07-30.
In the last 24 hrs, the best air quality in Charlton, Massachusetts was observed at 06:00:00 on 2025-07-30.
The current air quality in Charlton, Massachusetts is 52, categorized as Moderate based on real-time data.
The most common pollutant in Charlton, Massachusetts is PM2.5.
If the air quality in Charlton, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Charlton, Massachusetts is 9.716 μg/m3.
The current PM10 concentration at Charlton, Massachusetts is 43.497 μg/m3.
The current carbon monoxide (CO) concentration at Charlton, Massachusetts is 0.219 ppm.
The current sulfur dioxide (SO2) concentration at Charlton, Massachusetts is 0.277 ppb.
The current ozone (O3) concentration at Charlton, Massachusetts is 39.787 ppm.
The current nitrogen dioxide (NO2) concentration at Charlton, Massachusetts is 2.849 ppb.
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