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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.18 μg/m³
0
55
155
255
425
605+
32.88 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
2.25 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hudson, New Hampshire
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AQI 38
Good
6.89μg/m³
PM2.5
24.89μg/m³
PM10
36.01ppb
O3
0.79ppb
SO2
1.59ppb
NO2
0.22ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
25.07μg/m³
PM10
36.87ppb
O3
0.72ppb
SO2
2.25ppb
NO2
0.23ppm
CO
AQI 38
Good
6.23μg/m³
PM2.5
24.60μg/m³
PM10
41.00ppb
O3
0.84ppb
SO2
1.47ppb
NO2
0.23ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
10.29μg/m³
PM10
34.25ppb
O3
1.07ppb
SO2
0.92ppb
NO2
0.20ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
20.75μg/m³
PM10
32.41ppb
O3
0.74ppb
SO2
1.50ppb
NO2
0.22ppm
CO
AQI 33
Good
6.44μg/m³
PM2.5
17.86μg/m³
PM10
35.86ppb
O3
0.90ppb
SO2
1.73ppb
NO2
0.22ppm
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 Hudson, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Hudson, New Hampshire was at its worst at 03:00:00 on 2026-08-08.
In the last 24 hours, the best air quality in Hudson, New Hampshire was observed at 01:00:00 on 2026-08-08.
As of now, the AQI in Hudson, New Hampshire is 38, indicating Good conditions.
Hudson, New Hampshire air has the highest levels of PM2.5.
Poor air quality in Hudson, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hudson, New Hampshire are currently 6.913 μg/m3.
The PM10 concentration in Hudson, New Hampshire is 24.55 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hudson, New Hampshire is 0.223 ppm.
Currently, Hudson, New Hampshire has a sulfur dioxide (SO2) concentration of 0.79 ppb.
The current ozone (O3) level in Hudson, New Hampshire at the moment is 36.12 ppm.
Nitrogen dioxide (NO2) level in Hudson, New Hampshire at the moment is 1.664 ppb.
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