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

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.15 μg/m³
0
55
155
255
425
605+
38.49 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
3.30 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Northampton, Massachusetts
Scroll To Air Quality MapLoading...
AQI 36
Good
2.16μg/m³
PM2.5
4.02μg/m³
PM10
38.65ppb
O3
0.19ppb
SO2
3.30ppb
NO2
0.15ppm
CO
AQI 35
Good
1.42μg/m³
PM2.5
5.67μg/m³
PM10
38.02ppb
O3
0.20ppb
SO2
1.98ppb
NO2
0.15ppm
CO
AQI 36
Good
2.16μg/m³
PM2.5
10.23μg/m³
PM10
38.53ppb
O3
0.22ppb
SO2
3.02ppb
NO2
0.16ppm
CO
AQI 35
Good
1.84μg/m³
PM2.5
7.67μg/m³
PM10
38.01ppb
O3
0.20ppb
SO2
2.96ppb
NO2
0.15ppm
CO
AQI 35
Good
3.01μg/m³
PM2.5
13.13μg/m³
PM10
37.95ppb
O3
0.20ppb
SO2
5.66ppb
NO2
0.15ppm
CO
AQI 35
Good
1.59μg/m³
PM2.5
3.91μg/m³
PM10
38.05ppb
O3
0.21ppb
SO2
1.83ppb
NO2
0.18ppm
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 05:00:00 on 2026-03-05.
The best air quality in Northampton, Massachusetts was recorded at 11:00:00 on 2026-03-05.
The real-time air quality index in Northampton, Massachusetts is 35, 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 2.14 μg/m3.
The current PM10 levels in Northampton, Massachusetts are 9.153 μg/m3.
The current carbon monoxide (CO) level in Northampton, Massachusetts is 0.152 ppm.
The current sulfur dioxide (SO2) levels in Northampton, Massachusetts are 0.213 ppb.
The current ozone (O3) levels at Northampton, Massachusetts is 38.492 ppm.
The current nitrogen dioxide (NO2) levels at Northampton, Massachusetts is 3.3 ppb.
All Rights Reserved © Ambee Inc. 2025