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)
64
Moderate
Concord, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
80.75 μg/m³
0
55
155
255
425
605+
33.18 ppb
0
55
71
86
201
201+
1.38 ppb
0
36
76
186
605
1005+
5.82 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Concord, New Hampshire
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AQI 54
Moderate
10.76μg/m³
PM2.5
58.09μg/m³
PM10
22.56ppb
O3
1.52ppb
SO2
5.83ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
48.35μg/m³
PM10
28.09ppb
O3
1.22ppb
SO2
5.28ppb
NO2
0.17ppm
CO
AQI 62
Moderate
14.76μg/m³
PM2.5
49.87μg/m³
PM10
29.89ppb
O3
1.22ppb
SO2
5.87ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
20.77μg/m³
PM10
29.77ppb
O3
1.20ppb
SO2
5.82ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.41μg/m³
PM2.5
44.48μg/m³
PM10
28.77ppb
O3
0.98ppb
SO2
5.88ppb
NO2
0.19ppm
CO
AQI 38
Good
6.51μg/m³
PM2.5
24.12μg/m³
PM10
26.03ppb
O3
1.07ppb
SO2
5.83ppb
NO2
0.19ppm
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 10:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Concord, New Hampshire was observed at 06:00:00 on 2025-06-07.
As of now, the AQI in Concord, New Hampshire is 64, indicating Moderate conditions.
Concord, New Hampshire air has the highest levels of PM10.
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 11.112 μg/m3.
The PM10 concentration in Concord, New Hampshire is 80.748 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Concord, New Hampshire is 0.178 ppm.
Currently, Concord, New Hampshire has a sulfur dioxide (SO2) concentration of 1.379 ppb.
The current ozone (O3) level in Concord, New Hampshire at the moment is 33.176 ppm.
Nitrogen dioxide (NO2) level in Concord, New Hampshire at the moment is 5.815 ppb.
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