Stay updated with real-time air quality in Milford, 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)
34
Good
Milford, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.88 μg/m³
0
55
155
255
425
605+
37.13 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
10.42 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Milford, New Hampshire
Milford, New Hampshire
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AQI 36
Good
4.15μg/m³
PM2.5
14.38μg/m³
PM10
38.71ppb
O3
0.61ppb
SO2
10.58ppb
NO2
0.13ppm
CO
AQI 35
Good
4.79μg/m³
PM2.5
17.67μg/m³
PM10
37.98ppb
O3
0.64ppb
SO2
9.68ppb
NO2
0.13ppm
CO
AQI 35
Good
4.75μg/m³
PM2.5
17.52μg/m³
PM10
38.15ppb
O3
0.64ppb
SO2
7.74ppb
NO2
0.13ppm
CO
AQI 30
Good
4.58μg/m³
PM2.5
15.83μg/m³
PM10
32.03ppb
O3
0.65ppb
SO2
11.04ppb
NO2
0.13ppm
CO
AQI 31
Good
4.58μg/m³
PM2.5
15.90μg/m³
PM10
32.70ppb
O3
0.65ppb
SO2
11.53ppb
NO2
0.13ppm
CO
AQI 29
Good
4.40μg/m³
PM2.5
15.72μg/m³
PM10
30.86ppb
O3
0.63ppb
SO2
11.83ppb
NO2
0.14ppm
CO
Air quality data and pollutant measurements for New Hampshire, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Milford, New Hampshire is updated every hour.
The worst air quality in Milford, New Hampshire in the last 24 hours was observed at 12:00:00 on 2026-05-14.
In the last 24 hrs, the best air quality in Milford, New Hampshire was observed at 12:00:00 on 2026-05-13.
The current air quality in Milford, New Hampshire is 34, categorized as Good based on real-time data.
The most common pollutant in Milford, New Hampshire is O3.
If the air quality in Milford, New Hampshire is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Milford, New Hampshire is 4.195 μg/m3.
The current PM10 concentration at Milford, New Hampshire is 13.878 μg/m3.
The current carbon monoxide (CO) concentration at Milford, New Hampshire is 0.148 ppm.
The current sulfur dioxide (SO2) concentration at Milford, New Hampshire is 0.583 ppb.
The current ozone (O3) concentration at Milford, New Hampshire is 37.126 ppm.
The current nitrogen dioxide (NO2) concentration at Milford, New Hampshire is 10.422 ppb.
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