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)
24
Good
Milford, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.21 μg/m³
0
55
155
255
425
605+
25.87 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
1.13 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Milford, New Hampshire
Milford, New Hampshire
Scroll To Air Quality MapLoading...
AQI 19
Good
3.32μg/m³
PM2.5
12.18μg/m³
PM10
21.41ppb
O3
0.75ppb
SO2
1.29ppb
NO2
0.15ppm
CO
AQI 22
Good
3.53μg/m³
PM2.5
12.16μg/m³
PM10
21.14ppb
O3
0.84ppb
SO2
1.17ppb
NO2
0.14ppm
CO
AQI 20
Good
3.41μg/m³
PM2.5
12.05μg/m³
PM10
21.56ppb
O3
0.82ppb
SO2
1.20ppb
NO2
0.14ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
10.62μg/m³
PM10
19.87ppb
O3
0.90ppb
SO2
1.28ppb
NO2
0.14ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
11.13μg/m³
PM10
20.16ppb
O3
0.90ppb
SO2
1.33ppb
NO2
0.14ppm
CO
AQI 22
Good
3.85μg/m³
PM2.5
10.47μg/m³
PM10
19.28ppb
O3
0.83ppb
SO2
1.35ppb
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 11:00:00 on 2026-08-13.
In the last 24 hrs, the best air quality in Milford, New Hampshire was observed at 04:00:00 on 2026-08-14.
The current air quality in Milford, New Hampshire is 24, 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 2.984 μg/m3.
The current PM10 concentration at Milford, New Hampshire is 14.212 μg/m3.
The current carbon monoxide (CO) concentration at Milford, New Hampshire is 0.154 ppm.
The current sulfur dioxide (SO2) concentration at Milford, New Hampshire is 0.702 ppb.
The current ozone (O3) concentration at Milford, New Hampshire is 25.873 ppm.
The current nitrogen dioxide (NO2) concentration at Milford, New Hampshire is 1.133 ppb.
All Rights Reserved © Ambee Inc. 2025