Stay updated with real-time air quality in Dover, 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)
52
Moderate
Dover, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.18 μg/m³
0
55
155
255
425
605+
13.97 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
8.00 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Dover, New Hampshire
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AQI 54
Moderate
11.26μg/m³
PM2.5
32.36μg/m³
PM10
23.16ppb
O3
0.78ppb
SO2
5.86ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
32.40μg/m³
PM10
20.76ppb
O3
0.75ppb
SO2
5.87ppb
NO2
0.21ppm
CO
AQI 54
Moderate
10.90μg/m³
PM2.5
32.15μg/m³
PM10
20.77ppb
O3
0.89ppb
SO2
5.86ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.90μg/m³
PM2.5
19.81μg/m³
PM10
19.29ppb
O3
0.51ppb
SO2
5.92ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.90μg/m³
PM2.5
19.60μg/m³
PM10
19.47ppb
O3
0.51ppb
SO2
5.92ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.15μg/m³
PM2.5
26.54μg/m³
PM10
17.11ppb
O3
0.58ppb
SO2
5.88ppb
NO2
0.22ppm
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 Dover, New Hampshire is updated on an hourly basis.
The worst air quality in Dover, New Hampshire was recorded at 01:00:00 on 2025-06-06.
The best air quality in Dover, New Hampshire was recorded at 04:00:00 on 2025-06-07.
The real-time air quality index in Dover, New Hampshire is 52, currently categorized as Moderate.
The most common pollutant in Dover, New Hampshire is PM2.5.
If the air quality in Dover, New Hampshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Dover, New Hampshire at present are 9.873 μg/m3.
The current PM10 levels in Dover, New Hampshire are 36.179 μg/m3.
The current carbon monoxide (CO) level in Dover, New Hampshire is 0.168 ppm.
The current sulfur dioxide (SO2) levels in Dover, New Hampshire are 0.724 ppb.
The current ozone (O3) levels at Dover, New Hampshire is 13.972 ppm.
The current nitrogen dioxide (NO2) levels at Dover, New Hampshire is 7.995 ppb.
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