Stay updated with real-time air quality in Concord, 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)
36
Good
Concord, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.52 μg/m³
0
55
155
255
425
605+
38.77 ppb
0
55
71
86
201
201+
1.12 ppb
0
36
76
186
605
1005+
9.51 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Concord, New Hampshire
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AQI 36
Good
4.71μg/m³
PM2.5
22.13μg/m³
PM10
38.65ppb
O3
1.10ppb
SO2
9.30ppb
NO2
0.24ppm
CO
AQI 37
Good
4.27μg/m³
PM2.5
14.83μg/m³
PM10
40.49ppb
O3
0.75ppb
SO2
10.08ppb
NO2
0.26ppm
CO
AQI 32
Good
4.82μg/m³
PM2.5
34.08μg/m³
PM10
35.19ppb
O3
0.67ppb
SO2
9.16ppb
NO2
0.25ppm
CO
AQI 33
Good
5.15μg/m³
PM2.5
33.93μg/m³
PM10
35.84ppb
O3
0.67ppb
SO2
9.48ppb
NO2
0.25ppm
CO
AQI 35
Good
5.12μg/m³
PM2.5
23.93μg/m³
PM10
37.62ppb
O3
0.68ppb
SO2
9.21ppb
NO2
0.28ppm
CO
AQI 32
Good
4.90μg/m³
PM2.5
20.94μg/m³
PM10
35.08ppb
O3
0.74ppb
SO2
9.32ppb
NO2
0.24ppm
CO
Air quality and pollutant data for New Hampshire, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Concord, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Concord, New Hampshire was at its worst at 05:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in Concord, New Hampshire was observed at 11:00:00 on 2025-12-27.
As of now, the AQI in Concord, New Hampshire is 36, indicating Good conditions.
Concord, New Hampshire air has the highest levels of O3.
Poor air quality in Concord, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Concord, New Hampshire are currently 4.506 μg/m3.
The PM10 concentration in Concord, New Hampshire is 21.519 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Concord, New Hampshire is 0.244 ppm.
Currently, Concord, New Hampshire has a sulfur dioxide (SO2) concentration of 1.119 ppb.
The current ozone (O3) level in Concord, New Hampshire at the moment is 38.766 ppm.
Nitrogen dioxide (NO2) level in Concord, New Hampshire at the moment is 9.513 ppb.
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