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)
20
Good
Lebanon, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.19 μg/m³
0
55
155
255
425
605+
22.04 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
0.22 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lebanon, New Hampshire
Scroll To Air Quality MapLoading...
AQI 20
Good
3.33μg/m³
PM2.5
14.98μg/m³
PM10
22.17ppb
O3
0.39ppb
SO2
0.33ppb
NO2
0.14ppm
CO
AQI 20
Good
3.31μg/m³
PM2.5
14.38μg/m³
PM10
22.13ppb
O3
0.37ppb
SO2
0.32ppb
NO2
0.14ppm
CO
AQI 19
Good
3.44μg/m³
PM2.5
10.64μg/m³
PM10
20.72ppb
O3
0.35ppb
SO2
1.50ppb
NO2
0.14ppm
CO
AQI 33
Good
6.40μg/m³
PM2.5
20.00μg/m³
PM10
17.00ppb
O3
0.10ppb
SO2
1.51ppb
NO2
0.14ppm
CO
AQI 22
Good
1.89μg/m³
PM2.5
8.17μg/m³
PM10
24.29ppb
O3
0.75ppb
SO2
1.71ppb
NO2
0.14ppm
CO
AQI 19
Good
3.12μg/m³
PM2.5
12.21μg/m³
PM10
20.14ppb
O3
0.51ppb
SO2
1.50ppb
NO2
0.14ppm
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 02:00:00, 2026-08-14.
The best air quality in Lebanon, New Hampshire was observed at 04:00:00 on 2026-08-14.
The air quality in Lebanon, New Hampshire right now is Good, with an AQI of 20.
In Lebanon, New Hampshire, O3 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 3.48 μg/m3.
Lebanon, New Hampshire currently has a PM10 concentration of 15.188 μg/m3.
The current carbon monoxide (CO) level in Lebanon, New Hampshire is 0.139 ppm.
The current sulfur dioxide (SO2) concentration in Lebanon, New Hampshire is 0.298 ppb.
Lebanon, New Hampshire currently has an ozone (O3) concentration of 22.039 ppm.
The current level of nitrogen dioxide (NO2) in Lebanon, New Hampshire is 0.22 ppb.
All Rights Reserved © Ambee Inc. 2025