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)
56
Moderate
Milford, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.20 μg/m³
0
55
155
255
425
605+
35.31 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
1.68 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Milford, New Hampshire
Milford, New Hampshire
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AQI 56
Moderate
11.79μg/m³
PM2.5
35.92μg/m³
PM10
31.68ppb
O3
0.72ppb
SO2
2.86ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.03μg/m³
PM2.5
38.65μg/m³
PM10
34.62ppb
O3
0.79ppb
SO2
2.59ppb
NO2
0.11ppm
CO
AQI 56
Moderate
11.97μg/m³
PM2.5
38.64μg/m³
PM10
32.30ppb
O3
0.71ppb
SO2
2.63ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.39μg/m³
PM2.5
34.02μg/m³
PM10
36.21ppb
O3
0.84ppb
SO2
2.73ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.37μg/m³
PM2.5
34.51μg/m³
PM10
36.11ppb
O3
0.84ppb
SO2
2.83ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.40μg/m³
PM2.5
35.04μg/m³
PM10
35.91ppb
O3
0.80ppb
SO2
2.93ppb
NO2
0.11ppm
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 05:00:00 on 2026-06-29.
In the last 24 hrs, the best air quality in Milford, New Hampshire was observed at 07:00:00 on 2026-06-28.
The current air quality in Milford, New Hampshire is 56, categorized as Moderate based on real-time data.
The most common pollutant in Milford, New Hampshire is PM2.5.
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 12.093 μg/m3.
The current PM10 concentration at Milford, New Hampshire is 41.198 μg/m3.
The current carbon monoxide (CO) concentration at Milford, New Hampshire is 0.111 ppm.
The current sulfur dioxide (SO2) concentration at Milford, New Hampshire is 0.657 ppb.
The current ozone (O3) concentration at Milford, New Hampshire is 35.312 ppm.
The current nitrogen dioxide (NO2) concentration at Milford, New Hampshire is 1.678 ppb.
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