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West Haven (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

Pochmurno
9°C
Pochmurno
Humidity
70.7%
Wind
11 m/s
Pressure
1023.8 hPa
Direction
118°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
5° / 16°
Precip.
17.7mm
Max wind
11 m/s

Hourly Forecast

04.04
Now
Weather
11
04.04
22:00
Weather
11
04.04
23:00
Weather
11
05.04
00:00
Weather
10
05.04
01:00
Weather
10
05.04
02:00
Weather
9
05.04
03:00
Weather
9
05.04
04:00
Weather
0.1
9
05.04
05:00
Weather
0.1
9
05.04
06:00
Weather
0.1
8
05.04
07:00
Weather
7
05.04
08:00
Weather
6
05.04
09:00
Weather
6
05.04
10:00
Weather
0.9
05.04
11:00
Weather
6
05.04
12:00
Weather
11°
8
05.04
13:00
Weather
13°
8
05.04
14:00
Weather
14°
9
05.04
15:00
Weather
15°
10
05.04
16:00
Weather
16°
6.9
11
05.04
17:00
Weather
15°
4.7
10
05.04
18:00
Weather
14°
2.3
8
05.04
19:00
Weather
14°
0.5
9
05.04
20:00
Weather
14°
2.1
8

Temperature

16°C
5°C
21:00
9°C
22:00
8°C
23:00
7°C
00:00
6°C
01:00
6°C
02:00
6°C
03:00
5°C
04:00
5°C
05:00
5°C
06:00
5°C
07:00
6°C
08:00
6°C
09:00
6°C
10:00
7°C
11:00
9°C
12:00
11°C
13:00
13°C
14:00
14°C
15:00
15°C
16:00
16°C
17:00
15°C
18:00
14°C
19:00
14°C
20:00
14°C
21:00 08:00 20:00

Precipitation

6.9mm
0mm
04:00
0.1mm
05:00
0.1mm
06:00
0.1mm
10:00
0.9mm
16:00
6.9mm
17:00
4.7mm
18:00
2.3mm
19:00
0.5mm
20:00
2.1mm
21:00 08:00 20:00

Wind

11m/s
0m/s
21:00
11 m/s
22:00
11 m/s
23:00
10.7 m/s
00:00
10.1 m/s
01:00
9.6 m/s
02:00
9.3 m/s
03:00
9.3 m/s
04:00
8.8 m/s
05:00
8.5 m/s
06:00
7.9 m/s
07:00
6.6 m/s
08:00
6.4 m/s
09:00
6.4 m/s
10:00
4.5 m/s
11:00
5.5 m/s
12:00
7.9 m/s
13:00
8.2 m/s
14:00
9.1 m/s
15:00
9.7 m/s
16:00
11 m/s
17:00
9.6 m/s
18:00
8 m/s
19:00
8.6 m/s
20:00
7.9 m/s
21:00 08:00 20:00

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
59.7 km
78
26%

Measurement time: 2026-04-04 22:00

Calculated from PM2.5/PM10

O3
71 km
113.32 µg/m3
70.8%

Measurement time: 2026-04-04 23:11

source: OpenWeatherMap

PM2.5
59.7 km
25 µg/m3
29.8%

Measurement time: 2026-04-04 22:00

source: Aqicn

PM10
59.7 km
15 µg/m3
10.7%

Measurement time: 2026-04-04 22:00

source: Aqicn

NO2
72.6 km
11.4 µg/m3
5.7%

Measurement time: 2026-04-04 22:00

source: Aqicn

CO
71 km
0.2026 mg/m3
1.4%

Measurement time: 2026-04-04 23:11

source: OpenWeatherMap

SO2
71 km
1.72 µg/m3
0.5%

Measurement time: 2026-04-04 23:11

source: OpenWeatherMap

Info


Latitude: 41.27065
Longitude: -72.94705


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About Air Quality in West Haven

Air quality in West Haven 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 West Haven

  • 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 West Haven?

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 West Haven

If you're planning outdoor activities in West Haven, 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.