Stay updated with real-time air quality in Claremont, 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)
31
Good
Claremont, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.47 μg/m³
0
55
155
255
425
605+
33.20 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
1.42 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Claremont, New Hampshire
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AQI 31
Good
3.39μg/m³
PM2.5
14.90μg/m³
PM10
33.02ppb
O3
0.28ppb
SO2
1.41ppb
NO2
0.14ppm
CO
AQI 31
Good
3.38μg/m³
PM2.5
14.81μg/m³
PM10
33.01ppb
O3
0.28ppb
SO2
1.41ppb
NO2
0.14ppm
CO
AQI 31
Good
3.38μg/m³
PM2.5
14.83μg/m³
PM10
33.03ppb
O3
0.28ppb
SO2
1.41ppb
NO2
0.14ppm
CO
AQI 31
Good
2.00μg/m³
PM2.5
8.00μg/m³
PM10
33.00ppb
O3
0.28ppb
SO2
1.43ppb
NO2
0.13ppm
CO
AQI 29
Good
4.00μg/m³
PM2.5
12.00μg/m³
PM10
31.00ppb
O3
0.20ppb
SO2
1.49ppb
NO2
0.12ppm
CO
AQI 33
Good
2.50μg/m³
PM2.5
9.79μg/m³
PM10
36.14ppb
O3
0.20ppb
SO2
1.48ppb
NO2
0.12ppm
CO
Air quality and pollutant data for New Hampshire, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Claremont, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Claremont, New Hampshire was at its worst at 07:00:00 on 2026-03-12.
In the last 24 hours, the best air quality in Claremont, New Hampshire was observed at 02:00:00 on 2026-03-12.
As of now, the AQI in Claremont, New Hampshire is 31, indicating Good conditions.
Claremont, New Hampshire air has the highest levels of O3.
Poor air quality in Claremont, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Claremont, New Hampshire are currently 2.596 μg/m3.
The PM10 concentration in Claremont, New Hampshire is 10.474 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Claremont, New Hampshire is 0.135 ppm.
Currently, Claremont, New Hampshire has a sulfur dioxide (SO2) concentration of 0.299 ppb.
The current ozone (O3) level in Claremont, New Hampshire at the moment is 33.195 ppm.
Nitrogen dioxide (NO2) level in Claremont, New Hampshire at the moment is 1.423 ppb.
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