Stay updated with real-time air quality in Northampton, 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)
49
Good
Northampton, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.73 μg/m³
0
55
155
255
425
605+
15.01 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
6.58 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Northampton, Massachusetts
Northampton, Massachusetts
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AQI 40
Good
4.17μg/m³
PM2.5
14.41μg/m³
PM10
42.96ppb
O3
0.15ppb
SO2
4.70ppb
NO2
0.20ppm
CO
AQI 37
Good
3.94μg/m³
PM2.5
16.82μg/m³
PM10
40.12ppb
O3
0.14ppb
SO2
1.82ppb
NO2
0.21ppm
CO
AQI 38
Good
4.38μg/m³
PM2.5
16.00μg/m³
PM10
40.94ppb
O3
0.17ppb
SO2
4.64ppb
NO2
0.20ppm
CO
AQI 37
Good
4.24μg/m³
PM2.5
18.29μg/m³
PM10
40.38ppb
O3
0.13ppb
SO2
2.39ppb
NO2
0.20ppm
CO
AQI 38
Good
5.08μg/m³
PM2.5
22.02μg/m³
PM10
41.11ppb
O3
0.11ppb
SO2
4.14ppb
NO2
0.20ppm
CO
AQI 36
Good
3.73μg/m³
PM2.5
12.06μg/m³
PM10
39.40ppb
O3
0.18ppb
SO2
3.93ppb
NO2
0.23ppm
CO
Air quality measurements for Massachusetts, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Northampton, Massachusetts is updated on an hourly basis.
The worst air quality in Northampton, Massachusetts was recorded at 10:00:00 on 2025-09-11.
The best air quality in Northampton, Massachusetts was recorded at 04:00:00 on 2025-09-11.
The real-time air quality index in Northampton, Massachusetts is 39, currently categorized as Good.
The most common pollutant in Northampton, Massachusetts is O3.
If the air quality in Northampton, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Northampton, Massachusetts at present are 4.534 μg/m3.
The current PM10 levels in Northampton, Massachusetts are 14.821 μg/m3.
The current carbon monoxide (CO) level in Northampton, Massachusetts is 0.201 ppm.
The current sulfur dioxide (SO2) levels in Northampton, Massachusetts are 0.161 ppb.
The current ozone (O3) levels at Northampton, Massachusetts is 41.806 ppm.
The current nitrogen dioxide (NO2) levels at Northampton, Massachusetts is 4.462 ppb.
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