Stay updated with real-time air quality in Exeter, 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)
54
Moderate
Exeter, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.86 μg/m³
0
55
155
255
425
605+
17.47 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
7.13 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Exeter, New Hampshire
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AQI 86
Moderate
27.96μg/m³
PM2.5
77.38μg/m³
PM10
30.90ppb
O3
0.49ppb
SO2
3.74ppb
NO2
0.32ppm
CO
AQI 84
Moderate
27.22μg/m³
PM2.5
106.19μg/m³
PM10
29.25ppb
O3
0.45ppb
SO2
3.86ppb
NO2
0.32ppm
CO
AQI 90
Moderate
29.62μg/m³
PM2.5
53.31μg/m³
PM10
31.16ppb
O3
0.49ppb
SO2
4.90ppb
NO2
0.32ppm
CO
AQI 84
Moderate
27.07μg/m³
PM2.5
37.32μg/m³
PM10
30.80ppb
O3
0.60ppb
SO2
4.24ppb
NO2
0.33ppm
CO
AQI 84
Moderate
27.07μg/m³
PM2.5
105.95μg/m³
PM10
29.20ppb
O3
0.45ppb
SO2
3.46ppb
NO2
0.33ppm
CO
AQI 84
Moderate
27.14μg/m³
PM2.5
37.76μg/m³
PM10
30.74ppb
O3
0.59ppb
SO2
4.24ppb
NO2
0.33ppm
CO
The air quality data for New Hampshire, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Exeter, New Hampshire are available every hour.
Exeter, New Hampshire experienced its worst air quality at 04:00:00, 2025-07-26.
The best air quality in Exeter, New Hampshire was observed at 05:00:00 on 2025-07-27.
The air quality in Exeter, New Hampshire right now is Moderate, with an AQI of 88.
In Exeter, New Hampshire, PM2.5 is the most frequently found pollutant.
When air quality in Exeter, New Hampshire is compromised, staying indoors and wearing a mask can reduce health risks.
Exeter, New Hampshire currently has a PM2.5 concentration of 29.486 μg/m3.
Exeter, New Hampshire currently has a PM10 concentration of 71.164 μg/m3.
The current carbon monoxide (CO) level in Exeter, New Hampshire is 0.304 ppm.
The current sulfur dioxide (SO2) concentration in Exeter, New Hampshire is 0.418 ppb.
Exeter, New Hampshire currently has an ozone (O3) concentration of 30.251 ppm.
The current level of nitrogen dioxide (NO2) in Exeter, New Hampshire is 5.584 ppb.
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