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

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.28 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
1.90 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hanover, New Hampshire
Scroll To Air Quality MapLoading...
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 56
Moderate
11.88μg/m³
PM2.5
37.52μg/m³
PM10
28.95ppb
O3
0.37ppb
SO2
2.88ppb
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 38
Good
7.18μg/m³
PM2.5
31.28μg/m³
PM10
35.44ppb
O3
0.70ppb
SO2
3.79ppb
NO2
0.12ppm
CO
AQI 54
Moderate
10.61μg/m³
PM2.5
43.13μg/m³
PM10
38.62ppb
O3
0.49ppb
SO2
3.39ppb
NO2
0.11ppm
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 Hanover, New Hampshire are available every hour.
Hanover, New Hampshire experienced its worst air quality at 05:00:00, 2026-06-29.
The best air quality in Hanover, New Hampshire was observed at 08:00:00 on 2026-06-29.
The air quality in Hanover, New Hampshire right now is Moderate, with an AQI of 56.
In Hanover, New Hampshire, PM2.5 is the most frequently found pollutant.
When air quality in Hanover, New Hampshire is compromised, staying indoors and wearing a mask can reduce health risks.
Hanover, New Hampshire currently has a PM2.5 concentration of 11.738 μg/m3.
Hanover, New Hampshire currently has a PM10 concentration of 51.281 μg/m3.
The current carbon monoxide (CO) level in Hanover, New Hampshire is 0.114 ppm.
The current sulfur dioxide (SO2) concentration in Hanover, New Hampshire is 0.34 ppb.
Hanover, New Hampshire currently has an ozone (O3) concentration of 28.288 ppm.
The current level of nitrogen dioxide (NO2) in Hanover, New Hampshire is 1.903 ppb.
All Rights Reserved © Ambee Inc. 2025