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)
49
Good
Hudson, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.97 μg/m³
0
55
155
255
425
605+
8.66 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
8.51 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hudson, New Hampshire
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AQI 44
Good
7.86μg/m³
PM2.5
22.80μg/m³
PM10
39.14ppb
O3
0.38ppb
SO2
2.92ppb
NO2
0.21ppm
CO
AQI 44
Good
7.83μg/m³
PM2.5
22.94μg/m³
PM10
41.11ppb
O3
0.43ppb
SO2
2.92ppb
NO2
0.22ppm
CO
AQI 40
Good
6.59μg/m³
PM2.5
19.09μg/m³
PM10
43.25ppb
O3
0.45ppb
SO2
3.05ppb
NO2
0.21ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
13.17μg/m³
PM10
42.85ppb
O3
0.42ppb
SO2
2.91ppb
NO2
0.20ppm
CO
AQI 44
Good
8.21μg/m³
PM2.5
26.74μg/m³
PM10
41.31ppb
O3
0.34ppb
SO2
2.74ppb
NO2
0.20ppm
CO
AQI 44
Good
7.84μg/m³
PM2.5
20.61μg/m³
PM10
42.28ppb
O3
0.43ppb
SO2
2.95ppb
NO2
0.21ppm
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 09:00:00 on 2025-09-14.
In the last 24 hours, the best air quality in Hudson, New Hampshire was observed at 12:00:00 on 2025-09-14.
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 6.992 μg/m3.
The PM10 concentration in Hudson, New Hampshire is 21.89 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hudson, New Hampshire is 0.222 ppm.
Currently, Hudson, New Hampshire has a sulfur dioxide (SO2) concentration of 0.408 ppb.
The current ozone (O3) level in Hudson, New Hampshire at the moment is 38.408 ppm.
Nitrogen dioxide (NO2) level in Hudson, New Hampshire at the moment is 3.682 ppb.
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