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)
58
Moderate
Milford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.85 μg/m³
0
55
155
255
425
605+
12.02 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
24.65 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Milford, Connecticut
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AQI 56
Moderate
12.29μg/m³
PM2.5
51.07μg/m³
PM10
10.27ppb
O3
0.24ppb
SO2
21.45ppb
NO2
0.37ppm
CO
AQI 60
Moderate
13.78μg/m³
PM2.5
25.52μg/m³
PM10
13.38ppb
O3
0.13ppb
SO2
25.91ppb
NO2
0.41ppm
CO
AQI 58
Moderate
12.99μg/m³
PM2.5
49.67μg/m³
PM10
9.53ppb
O3
0.24ppb
SO2
21.51ppb
NO2
0.39ppm
CO
AQI 58
Moderate
12.99μg/m³
PM2.5
49.67μg/m³
PM10
9.53ppb
O3
0.24ppb
SO2
21.51ppb
NO2
0.39ppm
CO
AQI 54
Moderate
11.25μg/m³
PM2.5
19.33μg/m³
PM10
19.02ppb
O3
0.20ppb
SO2
23.24ppb
NO2
0.32ppm
CO
AQI 60
Moderate
13.56μg/m³
PM2.5
25.54μg/m³
PM10
13.35ppb
O3
0.14ppb
SO2
25.71ppb
NO2
0.41ppm
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 2025-12-28.
The best air quality in Milford, Connecticut was recorded at 12:00:00 on 2025-12-28.
The real-time air quality index in Milford, Connecticut is 58, 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 13.158 μg/m3.
The current PM10 levels in Milford, Connecticut are 29.854 μg/m3.
The current carbon monoxide (CO) level in Milford, Connecticut is 0.391 ppm.
The current sulfur dioxide (SO2) levels in Milford, Connecticut are 0.222 ppb.
The current ozone (O3) levels at Milford, Connecticut is 12.024 ppm.
The current nitrogen dioxide (NO2) levels at Milford, Connecticut is 24.654 ppb.
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