Stay updated with real-time air quality in Pelham, New Hampshire 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)
33
Good
Pelham, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.10 μg/m³
0
55
155
255
425
605+
29.33 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
18.46 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Pelham, New Hampshire
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AQI 49
Good
9.32μg/m³
PM2.5
42.84μg/m³
PM10
30.06ppb
O3
0.58ppb
SO2
20.40ppb
NO2
0.30ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
25.88μg/m³
PM10
35.69ppb
O3
0.47ppb
SO2
12.25ppb
NO2
0.19ppm
CO
AQI 32
Good
4.39μg/m³
PM2.5
22.28μg/m³
PM10
35.39ppb
O3
0.47ppb
SO2
12.07ppb
NO2
0.20ppm
CO
AQI 38
Good
7.40μg/m³
PM2.5
35.86μg/m³
PM10
31.49ppb
O3
0.56ppb
SO2
17.96ppb
NO2
0.28ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
34.18μg/m³
PM10
34.36ppb
O3
0.57ppb
SO2
18.23ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.95μg/m³
PM2.5
45.14μg/m³
PM10
29.59ppb
O3
0.58ppb
SO2
21.15ppb
NO2
0.30ppm
CO
Air quality measurements for New Hampshire, 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 Pelham, New Hampshire is updated on an hourly basis.
The worst air quality in Pelham, New Hampshire was recorded at 06:00:00 on 2025-12-28.
The best air quality in Pelham, New Hampshire was recorded at 12:00:00 on 2025-12-28.
The real-time air quality index in Pelham, New Hampshire is 33, currently categorized as Good.
The most common pollutant in Pelham, New Hampshire is PM2.5.
If the air quality in Pelham, New Hampshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Pelham, New Hampshire at present are 5.819 μg/m3.
The current PM10 levels in Pelham, New Hampshire are 24.099 μg/m3.
The current carbon monoxide (CO) level in Pelham, New Hampshire is 0.24 ppm.
The current sulfur dioxide (SO2) levels in Pelham, New Hampshire are 0.581 ppb.
The current ozone (O3) levels at Pelham, New Hampshire is 29.33 ppm.
The current nitrogen dioxide (NO2) levels at Pelham, New Hampshire is 18.457 ppb.
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