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)
18
Good
Claremont, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.53 μg/m³
0
55
155
255
425
605+
19.23 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
2.34 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Claremont, New Hampshire
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AQI 22
Good
2.79μg/m³
PM2.5
11.10μg/m³
PM10
24.09ppb
O3
0.27ppb
SO2
2.58ppb
NO2
0.18ppm
CO
AQI 23
Good
2.64μg/m³
PM2.5
10.80μg/m³
PM10
24.52ppb
O3
0.25ppb
SO2
2.53ppb
NO2
0.18ppm
CO
AQI 22
Good
2.46μg/m³
PM2.5
10.02μg/m³
PM10
24.03ppb
O3
0.27ppb
SO2
2.52ppb
NO2
0.18ppm
CO
AQI 17
Good
3.10μg/m³
PM2.5
17.99μg/m³
PM10
18.00ppb
O3
0.52ppb
SO2
2.38ppb
NO2
0.17ppm
CO
AQI 16
Good
3.40μg/m³
PM2.5
5.00μg/m³
PM10
12.00ppb
O3
0.20ppb
SO2
2.38ppb
NO2
0.15ppm
CO
AQI 17
Good
2.69μg/m³
PM2.5
16.91μg/m³
PM10
18.18ppb
O3
0.46ppb
SO2
2.44ppb
NO2
0.19ppm
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 11:00:00 on 2026-11-12.
In the last 24 hours, the best air quality in Claremont, New Hampshire was observed at 06:00:00 on 2026-11-12.
As of now, the AQI in Claremont, New Hampshire is 18, 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 2.484 μg/m3.
The PM10 concentration in Claremont, New Hampshire is 13.527 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Claremont, New Hampshire is 0.162 ppm.
Currently, Claremont, New Hampshire has a sulfur dioxide (SO2) concentration of 0.553 ppb.
The current ozone (O3) level in Claremont, New Hampshire at the moment is 19.232 ppm.
Nitrogen dioxide (NO2) level in Claremont, New Hampshire at the moment is 2.34 ppb.
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