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)
33
Good
Milford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.85 μg/m³
0
55
155
255
425
605+
23.97 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
13.27 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milford, Connecticut
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AQI 58
Moderate
12.78μg/m³
PM2.5
44.74μg/m³
PM10
2.24ppb
O3
0.39ppb
SO2
17.57ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.66μg/m³
PM2.5
21.39μg/m³
PM10
5.78ppb
O3
0.32ppb
SO2
21.10ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.05μg/m³
PM2.5
24.19μg/m³
PM10
6.69ppb
O3
0.37ppb
SO2
16.38ppb
NO2
0.28ppm
CO
AQI 60
Moderate
14.05μg/m³
PM2.5
24.19μg/m³
PM10
6.69ppb
O3
0.37ppb
SO2
16.38ppb
NO2
0.28ppm
CO
AQI 66
Moderate
17.47μg/m³
PM2.5
28.42μg/m³
PM10
2.15ppb
O3
0.39ppb
SO2
19.91ppb
NO2
0.22ppm
CO
AQI 58
Moderate
12.97μg/m³
PM2.5
22.40μg/m³
PM10
5.72ppb
O3
0.33ppb
SO2
20.59ppb
NO2
0.30ppm
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 08:00:00 on 2025-11-03.
The best air quality in Milford, Connecticut was recorded at 06:00:00 on 2025-11-02.
The real-time air quality index in Milford, Connecticut is 56, currently categorized as Moderate.
The most common pollutant in Milford, Connecticut is PM2.5.
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 11.738 μg/m3.
The current PM10 levels in Milford, Connecticut are 48.603 μg/m3.
The current carbon monoxide (CO) level in Milford, Connecticut is 0.283 ppm.
The current sulfur dioxide (SO2) levels in Milford, Connecticut are 0.375 ppb.
The current ozone (O3) levels at Milford, Connecticut is 3.854 ppm.
The current nitrogen dioxide (NO2) levels at Milford, Connecticut is 15.325 ppb.
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