Stay updated with real-time air quality in Milford, Connecticut 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)
39
Good
Milford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.28 μg/m³
0
55
155
255
425
605+
41.91 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
8.55 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milford, Connecticut
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AQI 33
Good
6.27μg/m³
PM2.5
15.05μg/m³
PM10
34.81ppb
O3
0.40ppb
SO2
9.44ppb
NO2
0.20ppm
CO
AQI 42
Good
6.93μg/m³
PM2.5
16.56μg/m³
PM10
45.34ppb
O3
0.43ppb
SO2
6.55ppb
NO2
0.21ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
15.05μg/m³
PM10
33.46ppb
O3
0.40ppb
SO2
9.08ppb
NO2
0.20ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
15.05μg/m³
PM10
33.46ppb
O3
0.40ppb
SO2
9.08ppb
NO2
0.20ppm
CO
AQI 39
Good
5.86μg/m³
PM2.5
15.50μg/m³
PM10
41.90ppb
O3
0.39ppb
SO2
8.38ppb
NO2
0.20ppm
CO
AQI 39
Good
7.18μg/m³
PM2.5
17.89μg/m³
PM10
42.35ppb
O3
0.46ppb
SO2
7.45ppb
NO2
0.21ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Milford, Connecticut is updated on an hourly basis.
The worst air quality in Milford, Connecticut was recorded at 10:00:00 on 2026-05-13.
The best air quality in Milford, Connecticut was recorded at 11:00:00 on 2026-05-14.
The real-time air quality index in Milford, Connecticut is 39, currently categorized as Good.
The most common pollutant in Milford, Connecticut is O3.
If the air quality in Milford, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Milford, Connecticut at present are 7.08 μg/m3.
The current PM10 levels in Milford, Connecticut are 19.283 μg/m3.
The current carbon monoxide (CO) level in Milford, Connecticut is 0.22 ppm.
The current sulfur dioxide (SO2) levels in Milford, Connecticut are 0.413 ppb.
The current ozone (O3) levels at Milford, Connecticut is 41.905 ppm.
The current nitrogen dioxide (NO2) levels at Milford, Connecticut is 8.549 ppb.
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