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Hamden (Connecticut) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Schnee
-0°C
Schnee
Humidity
89.8%
Wind
6 m/s
Pressure
1013.5 hPa
Direction
47°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-3° / -0°
Precip.
25.1mm
Max wind
12 m/s

Hourly Forecast

22.02
Now
Weather
-0°
0.8
6
23.02
00:00
Weather
-1°
1.3
6
23.02
01:00
Weather
-1°
1.3
7
23.02
02:00
Weather
-1°
0.9
7
23.02
03:00
Weather
-1°
1.1
7
23.02
04:00
Weather
-1°
1
8
23.02
05:00
Weather
-1°
1.4
9
23.02
06:00
Weather
-1°
2
8
23.02
07:00
Weather
-2°
1.6
9
23.02
08:00
Weather
-2°
1.7
10
23.02
09:00
Weather
-2°
1.4
10
23.02
10:00
Weather
-2°
1.5
11
23.02
11:00
Weather
-2°
2.2
12
23.02
12:00
Weather
-3°
1.1
12
23.02
13:00
Weather
-3°
0.8
12
23.02
14:00
Weather
-3°
0.9
12
23.02
15:00
Weather
-3°
0.9
12
23.02
16:00
Weather
-3°
0.7
12
23.02
17:00
Weather
-2°
0.7
11
23.02
18:00
Weather
-2°
0.7
10
23.02
19:00
Weather
-2°
0.6
9
23.02
20:00
Weather
-2°
0.3
9
23.02
21:00
Weather
-2°
0.2
9
23.02
22:00
Weather
-2°
9

Temperature

-0°C
-3°C
23:00
-0°C
00:00
-1°C
01:00
-1°C
02:00
-1°C
03:00
-1°C
04:00
-1°C
05:00
-1°C
06:00
-1°C
07:00
-2°C
08:00
-2°C
09:00
-2°C
10:00
-2°C
11:00
-2°C
12:00
-3°C
13:00
-3°C
14:00
-3°C
15:00
-3°C
16:00
-3°C
17:00
-2°C
18:00
-2°C
19:00
-2°C
20:00
-2°C
21:00
-2°C
22:00
-2°C
23:00 10:00 22:00

Precipitation

2.2mm
0mm
23:00
0.8mm
00:00
1.3mm
01:00
1.3mm
02:00
0.9mm
03:00
1.1mm
04:00
1mm
05:00
1.4mm
06:00
2mm
07:00
1.6mm
08:00
1.7mm
09:00
1.4mm
10:00
1.5mm
11:00
2.2mm
12:00
1.1mm
13:00
0.8mm
14:00
0.9mm
15:00
0.9mm
16:00
0.7mm
17:00
0.7mm
18:00
0.7mm
19:00
0.6mm
20:00
0.3mm
21:00
0.2mm
23:00 10:00 22:00

Wind

12m/s
0m/s
23:00
5.7 m/s
00:00
5.8 m/s
01:00
6.6 m/s
02:00
6.9 m/s
03:00
7.4 m/s
04:00
8 m/s
05:00
8.5 m/s
06:00
8.3 m/s
07:00
9.4 m/s
08:00
9.6 m/s
09:00
10.2 m/s
10:00
11 m/s
11:00
11.6 m/s
12:00
12 m/s
13:00
11.7 m/s
14:00
11.7 m/s
15:00
11.8 m/s
16:00
11.6 m/s
17:00
10.8 m/s
18:00
9.7 m/s
19:00
9.4 m/s
20:00
8.9 m/s
21:00
9 m/s
22:00
8.6 m/s
23:00 10:00 22:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
82 km
54
18%

Measurement time: 2026-02-22 23:00

Calculated from PM2.5/PM10

O3
82 km
30.4 µg/m3
19%

Measurement time: 2026-02-22 23:00

source: Aqicn

PM2.5
82 km
14 µg/m3
16.7%

Measurement time: 2026-02-22 23:00

source: Aqicn

NO2
82 km
11.4 µg/m3
5.7%

Measurement time: 2026-02-22 23:00

source: Aqicn

CO
82 km
0.0034 mg/m3
0%

Measurement time: 2026-02-22 23:00

source: Aqicn

Info


Latitude: 41.39593
Longitude: -72.89677


Solar Energy

Night
0 W/m²
Solar Radiation
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About Air Quality in Hamden

Air quality in Hamden is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Hamden

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Hamden?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Hamden

If you're planning outdoor activities in Hamden, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.