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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.79 μg/m³
0
55
155
255
425
605+
32.81 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
12.63 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hamden, Connecticut
Hamden, Connecticut
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AQI 37
Good
6.03μg/m³
PM2.5
14.94μg/m³
PM10
40.45ppb
O3
0.34ppb
SO2
11.65ppb
NO2
0.21ppm
CO
AQI 38
Good
6.02μg/m³
PM2.5
15.06μg/m³
PM10
40.96ppb
O3
0.35ppb
SO2
11.27ppb
NO2
0.20ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
14.71μg/m³
PM10
30.55ppb
O3
0.32ppb
SO2
13.06ppb
NO2
0.22ppm
CO
AQI 38
Good
6.03μg/m³
PM2.5
15.03μg/m³
PM10
40.97ppb
O3
0.35ppb
SO2
11.38ppb
NO2
0.20ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
14.79μg/m³
PM10
32.73ppb
O3
0.34ppb
SO2
12.78ppb
NO2
0.21ppm
CO
AQI 38
Good
6.22μg/m³
PM2.5
16.00μg/m³
PM10
40.69ppb
O3
0.36ppb
SO2
10.67ppb
NO2
0.20ppm
CO
The air quality data for Connecticut, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Hamden, Connecticut are available every hour.
Hamden, Connecticut experienced its worst air quality at 02:00:00, 2026-05-14.
The best air quality in Hamden, Connecticut was observed at 01:00:00 on 2026-05-13.
The air quality in Hamden, Connecticut right now is Good, with an AQI of 33.
In Hamden, Connecticut, PM2.5 is the most frequently found pollutant.
When air quality in Hamden, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Hamden, Connecticut currently has a PM2.5 concentration of 5.748 μg/m3.
Hamden, Connecticut currently has a PM10 concentration of 14.791 μg/m3.
The current carbon monoxide (CO) level in Hamden, Connecticut is 0.247 ppm.
The current sulfur dioxide (SO2) concentration in Hamden, Connecticut is 0.339 ppb.
Hamden, Connecticut currently has an ozone (O3) concentration of 32.806 ppm.
The current level of nitrogen dioxide (NO2) in Hamden, Connecticut is 12.633 ppb.
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