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)
38
Good
Concord, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.43 μg/m³
0
55
155
255
425
605+
28.37 ppb
0
55
71
86
201
201+
1.01 ppb
0
36
76
186
605
1005+
3.03 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Concord, New Hampshire
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AQI 28
Good
3.36μg/m³
PM2.5
15.30μg/m³
PM10
29.59ppb
O3
1.10ppb
SO2
3.59ppb
NO2
0.21ppm
CO
AQI 27
Good
1.96μg/m³
PM2.5
4.31μg/m³
PM10
28.73ppb
O3
0.74ppb
SO2
3.05ppb
NO2
0.21ppm
CO
AQI 27
Good
1.99μg/m³
PM2.5
6.38μg/m³
PM10
29.43ppb
O3
0.77ppb
SO2
3.38ppb
NO2
0.21ppm
CO
AQI 27
Good
2.07μg/m³
PM2.5
7.04μg/m³
PM10
28.63ppb
O3
0.68ppb
SO2
2.91ppb
NO2
0.21ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
23.90μg/m³
PM10
29.09ppb
O3
0.78ppb
SO2
4.27ppb
NO2
0.22ppm
CO
AQI 30
Good
4.04μg/m³
PM2.5
18.11μg/m³
PM10
31.98ppb
O3
0.81ppb
SO2
4.29ppb
NO2
0.20ppm
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 03:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Concord, New Hampshire was observed at 12:00:00 on 2026-02-12.
As of now, the AQI in Concord, New Hampshire is 38, indicating Good conditions.
Concord, New Hampshire air has the highest levels of PM2.5.
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 6.961 μg/m3.
The PM10 concentration in Concord, New Hampshire is 19.425 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Concord, New Hampshire is 0.213 ppm.
Currently, Concord, New Hampshire has a sulfur dioxide (SO2) concentration of 1.006 ppb.
The current ozone (O3) level in Concord, New Hampshire at the moment is 28.373 ppm.
Nitrogen dioxide (NO2) level in Concord, New Hampshire at the moment is 3.031 ppb.
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