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
3.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.35 μg/m³
0
55
155
255
425
605+
40.77 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.31 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 36
Good
3.60μg/m³
PM2.5
9.05μg/m³
PM10
39.46ppb
O3
0.85ppb
SO2
2.25ppb
NO2
0.18ppm
CO
AQI 35
Good
3.46μg/m³
PM2.5
8.68μg/m³
PM10
37.91ppb
O3
0.58ppb
SO2
1.71ppb
NO2
0.17ppm
CO
AQI 37
Good
3.60μg/m³
PM2.5
8.56μg/m³
PM10
39.51ppb
O3
0.62ppb
SO2
2.04ppb
NO2
0.18ppm
CO
AQI 37
Good
3.59μg/m³
PM2.5
8.56μg/m³
PM10
40.47ppb
O3
0.54ppb
SO2
1.96ppb
NO2
0.18ppm
CO
AQI 35
Good
3.87μg/m³
PM2.5
14.99μg/m³
PM10
37.89ppb
O3
0.63ppb
SO2
2.36ppb
NO2
0.18ppm
CO
AQI 38
Good
3.60μg/m³
PM2.5
15.89μg/m³
PM10
40.75ppb
O3
0.66ppb
SO2
2.32ppb
NO2
0.18ppm
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 2026-03-05.
In the last 24 hours, the best air quality in Concord, New Hampshire was observed at 11:00:00 on 2026-03-06.
As of now, the AQI in Concord, New Hampshire is 38, 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 3.528 μg/m3.
The PM10 concentration in Concord, New Hampshire is 9.346 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Concord, New Hampshire is 0.176 ppm.
Currently, Concord, New Hampshire has a sulfur dioxide (SO2) concentration of 0.792 ppb.
The current ozone (O3) level in Concord, New Hampshire at the moment is 40.771 ppm.
Nitrogen dioxide (NO2) level in Concord, New Hampshire at the moment is 2.311 ppb.
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