Stay updated with real-time air quality in Lebanon, 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)
33
Good
Lebanon, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.86 μg/m³
0
55
155
255
425
605+
33.81 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
2.56 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lebanon, New Hampshire
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AQI 49
Good
8.77μg/m³
PM2.5
38.59μg/m³
PM10
14.32ppb
O3
0.54ppb
SO2
6.35ppb
NO2
0.26ppm
CO
AQI 49
Good
8.79μg/m³
PM2.5
38.48μg/m³
PM10
14.33ppb
O3
0.54ppb
SO2
6.33ppb
NO2
0.26ppm
CO
AQI 38
Good
6.24μg/m³
PM2.5
40.52μg/m³
PM10
15.24ppb
O3
0.50ppb
SO2
6.10ppb
NO2
0.25ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
18.00μg/m³
PM10
24.00ppb
O3
0.44ppb
SO2
2.87ppb
NO2
0.22ppm
CO
AQI 27
Good
5.22μg/m³
PM2.5
25.14μg/m³
PM10
24.70ppb
O3
0.85ppb
SO2
7.93ppb
NO2
0.25ppm
CO
AQI 33
Good
6.42μg/m³
PM2.5
19.11μg/m³
PM10
21.82ppb
O3
0.88ppb
SO2
7.08ppb
NO2
0.26ppm
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 Lebanon, New Hampshire are available every hour.
Lebanon, New Hampshire experienced its worst air quality at 03:00:00, 2026-08-08.
The best air quality in Lebanon, New Hampshire was observed at 12:00:00 on 2026-08-07.
The air quality in Lebanon, New Hampshire right now is Good, with an AQI of 49.
In Lebanon, New Hampshire, PM2.5 is the most frequently found pollutant.
When air quality in Lebanon, New Hampshire is compromised, staying indoors and wearing a mask can reduce health risks.
Lebanon, New Hampshire currently has a PM2.5 concentration of 8.783 μg/m3.
Lebanon, New Hampshire currently has a PM10 concentration of 38.773 μg/m3.
The current carbon monoxide (CO) level in Lebanon, New Hampshire is 0.261 ppm.
The current sulfur dioxide (SO2) concentration in Lebanon, New Hampshire is 0.539 ppb.
Lebanon, New Hampshire currently has an ozone (O3) concentration of 14.179 ppm.
The current level of nitrogen dioxide (NO2) in Lebanon, New Hampshire is 6.36 ppb.
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