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)
52
Moderate
Hudson, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.51 μg/m³
0
55
155
255
425
605+
18.86 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
7.57 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hudson, New Hampshire
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AQI 52
Moderate
10.30μg/m³
PM2.5
35.70μg/m³
PM10
38.41ppb
O3
1.70ppb
SO2
4.79ppb
NO2
0.32ppm
CO
AQI 52
Moderate
9.83μg/m³
PM2.5
40.21μg/m³
PM10
39.57ppb
O3
1.40ppb
SO2
5.37ppb
NO2
0.30ppm
CO
AQI 52
Moderate
9.64μg/m³
PM2.5
42.66μg/m³
PM10
41.73ppb
O3
1.54ppb
SO2
5.35ppb
NO2
0.31ppm
CO
AQI 52
Moderate
10.27μg/m³
PM2.5
17.93μg/m³
PM10
40.91ppb
O3
1.96ppb
SO2
4.74ppb
NO2
0.39ppm
CO
AQI 52
Moderate
10.35μg/m³
PM2.5
32.63μg/m³
PM10
30.00ppb
O3
2.20ppb
SO2
4.47ppb
NO2
0.31ppm
CO
AQI 52
Moderate
10.06μg/m³
PM2.5
29.76μg/m³
PM10
40.63ppb
O3
1.68ppb
SO2
5.09ppb
NO2
0.34ppm
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 2025-07-30.
In the last 24 hours, the best air quality in Hudson, New Hampshire was observed at 07:00:00 on 2025-07-30.
As of now, the AQI in Hudson, New Hampshire is 52, indicating Moderate 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 9.773 μg/m3.
The PM10 concentration in Hudson, New Hampshire is 35.9 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hudson, New Hampshire is 0.305 ppm.
Currently, Hudson, New Hampshire has a sulfur dioxide (SO2) concentration of 0.603 ppb.
The current ozone (O3) level in Hudson, New Hampshire at the moment is 36.785 ppm.
Nitrogen dioxide (NO2) level in Hudson, New Hampshire at the moment is 4.382 ppb.
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