Hourly Weather | Today Wednesday, December 24, 2025
West Haven, Connecticut
3 PM
Sunny Weather
41°
Feels Like 32°
18
Humidity: 52%
Wind: 15 mph
UV Index: 1
4 PM
Partly Sunny with Showers
41°
Feels Like 30°
40
Humidity: 52%
Wind: 12 mph
UV Index: 0
5 PM
Night
39°
Feels Like 30°
37
Humidity: 51%
Wind: 12 mph
UV Index: 0
6 PM
Night
37°
Feels Like 30°
22
Humidity: 54%
Wind: 9 mph
UV Index: 0
7 PM
Cloudy Night
37°
Feels Like 30°
0
Humidity: 55%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 60%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
32°
Feels Like 32°
0
Humidity: 64%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 30°
0
Humidity: 68%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
28°
Feels Like 28°
0
Humidity: 73%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 2.66 µg/m³
  • O3: 0.030 ppm
  • NO2: 4.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.77 µg/m³
  • O3: 0.025 ppm
  • NO2: 8.6 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.023 ppm
  • NO2: 9.8 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.022 ppm
  • NO2: 10.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 6.09 µg/m³
  • O3: 0.021 ppm
  • NO2: 11.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 7.11 µg/m³
  • O3: 0.020 ppm
  • NO2: 12.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 8.08 µg/m³
  • O3: 0.019 ppm
  • NO2: 13.2 ppb
  • SO2: 1.4 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.