Stay updated with real-time air quality in Manchester, 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)
53
Moderate
Manchester, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
59.20 μg/m³
0
55
155
255
425
605+
17.34 ppb
0
55
71
86
201
201+
1.15 ppb
0
36
76
186
605
1005+
6.67 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Manchester, New Hampshire
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AQI 44
Good
8.25μg/m³
PM2.5
31.17μg/m³
PM10
18.89ppb
O3
0.28ppb
SO2
6.36ppb
NO2
0.24ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
22.97μg/m³
PM10
19.50ppb
O3
0.28ppb
SO2
6.36ppb
NO2
0.24ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
31.63μg/m³
PM10
21.96ppb
O3
0.30ppb
SO2
6.17ppb
NO2
0.22ppm
CO
AQI 44
Good
8.19μg/m³
PM2.5
17.16μg/m³
PM10
21.94ppb
O3
0.26ppb
SO2
6.33ppb
NO2
0.25ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
19.27μg/m³
PM10
24.10ppb
O3
0.17ppb
SO2
6.79ppb
NO2
0.28ppm
CO
AQI 44
Good
7.54μg/m³
PM2.5
13.77μg/m³
PM10
22.49ppb
O3
0.12ppb
SO2
7.04ppb
NO2
0.30ppm
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 Manchester, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Manchester, New Hampshire was at its worst at 07:00:00 on 2025-07-30.
In the last 24 hours, the best air quality in Manchester, New Hampshire was observed at 02:00:00 on 2025-07-31.
As of now, the AQI in Manchester, New Hampshire is 52, indicating Moderate conditions.
Manchester, New Hampshire air has the highest levels of PM2.5.
Poor air quality in Manchester, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Manchester, New Hampshire are currently 9.756 μg/m3.
The PM10 concentration in Manchester, New Hampshire is 29.912 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Manchester, New Hampshire is 0.275 ppm.
Currently, Manchester, New Hampshire has a sulfur dioxide (SO2) concentration of 0.506 ppb.
The current ozone (O3) level in Manchester, New Hampshire at the moment is 20.466 ppm.
Nitrogen dioxide (NO2) level in Manchester, New Hampshire at the moment is 7.407 ppb.
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