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)
56
Moderate
Claremont, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.85 μg/m³
0
55
155
255
425
605+
33.54 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
1.88 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Claremont, New Hampshire
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AQI 58
Moderate
13.04μg/m³
PM2.5
58.38μg/m³
PM10
23.20ppb
O3
0.35ppb
SO2
2.91ppb
NO2
0.11ppm
CO
AQI 58
Moderate
13.02μg/m³
PM2.5
57.77μg/m³
PM10
23.32ppb
O3
0.35ppb
SO2
2.92ppb
NO2
0.11ppm
CO
AQI 58
Moderate
13.00μg/m³
PM2.5
57.93μg/m³
PM10
23.33ppb
O3
0.36ppb
SO2
2.92ppb
NO2
0.11ppm
CO
AQI 54
Moderate
11.40μg/m³
PM2.5
50.99μg/m³
PM10
23.00ppb
O3
0.41ppb
SO2
2.85ppb
NO2
0.11ppm
CO
AQI 60
Moderate
14.50μg/m³
PM2.5
23.01μg/m³
PM10
28.00ppb
O3
0.10ppb
SO2
2.83ppb
NO2
0.10ppm
CO
AQI 54
Moderate
11.09μg/m³
PM2.5
31.28μg/m³
PM10
28.97ppb
O3
0.23ppb
SO2
2.76ppb
NO2
0.11ppm
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 05:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Claremont, New Hampshire was observed at 03:00:00 on 2026-06-29.
As of now, the AQI in Claremont, New Hampshire is 56, indicating Moderate conditions.
Claremont, New Hampshire air has the highest levels of PM2.5.
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 11.946 μg/m3.
The PM10 concentration in Claremont, New Hampshire is 38.854 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Claremont, New Hampshire is 0.114 ppm.
Currently, Claremont, New Hampshire has a sulfur dioxide (SO2) concentration of 0.354 ppb.
The current ozone (O3) level in Claremont, New Hampshire at the moment is 33.542 ppm.
Nitrogen dioxide (NO2) level in Claremont, New Hampshire at the moment is 1.884 ppb.
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