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)
31
Good
Milford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.63 μg/m³
0
55
155
255
425
605+
32.66 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
5.24 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milford, Connecticut
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AQI 32
Good
3.14μg/m³
PM2.5
14.89μg/m³
PM10
35.34ppb
O3
0.27ppb
SO2
5.30ppb
NO2
0.19ppm
CO
AQI 31
Good
2.41μg/m³
PM2.5
7.44μg/m³
PM10
33.23ppb
O3
0.31ppb
SO2
4.75ppb
NO2
0.20ppm
CO
AQI 32
Good
3.04μg/m³
PM2.5
15.23μg/m³
PM10
35.43ppb
O3
0.23ppb
SO2
5.09ppb
NO2
0.19ppm
CO
AQI 32
Good
3.04μg/m³
PM2.5
15.23μg/m³
PM10
35.43ppb
O3
0.23ppb
SO2
5.09ppb
NO2
0.19ppm
CO
AQI 34
Good
3.10μg/m³
PM2.5
12.22μg/m³
PM10
36.60ppb
O3
0.22ppb
SO2
5.64ppb
NO2
0.20ppm
CO
AQI 31
Good
2.45μg/m³
PM2.5
7.57μg/m³
PM10
33.06ppb
O3
0.30ppb
SO2
4.60ppb
NO2
0.20ppm
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 05:00:00 on 2026-02-13.
The best air quality in Milford, Connecticut was recorded at 02:00:00 on 2026-02-13.
The real-time air quality index in Milford, Connecticut is 31, 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 2.938 μg/m3.
The current PM10 levels in Milford, Connecticut are 15.629 μg/m3.
The current carbon monoxide (CO) level in Milford, Connecticut is 0.19 ppm.
The current sulfur dioxide (SO2) levels in Milford, Connecticut are 0.285 ppb.
The current ozone (O3) levels at Milford, Connecticut is 32.66 ppm.
The current nitrogen dioxide (NO2) levels at Milford, Connecticut is 5.238 ppb.
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