Hourly Weather | Today Tuesday, April 7, 2026
West Haven, Connecticut
12 PM
Cloudy Weather
54°
Feels Like 50°
39
Humidity: 43%
UV Index: 5
Wind: 17 mph
1 PM
Cloudy Weather
52°
Feels Like 48°
35
Humidity: 39%
UV Index: 6
Wind: 19 mph
2 PM
Cloudy Weather
52°
Feels Like 46°
34
Humidity: 35%
UV Index: 6
Wind: 20 mph
3 PM
Cloudy Weather
52°
Feels Like 46°
34
Humidity: 33%
UV Index: 5
Wind: 20 mph
4 PM
Cloudy Weather
50°
Feels Like 43°
34
Humidity: 32%
UV Index: 3
Wind: 19 mph
5 PM
Cloudy Weather
48°
Feels Like 39°
34
Humidity: 33%
UV Index: 2
Wind: 19 mph
6 PM
Cloudy Weather
46°
Feels Like 37°
34
Humidity: 34%
UV Index: 1
Wind: 19 mph
7 PM
Cloudy Weather
45°
Feels Like 34°
22
Humidity: 39%
UV Index: 0
Wind: 16 mph
8 PM
Night
41°
Feels Like 28°
0
Humidity: 41%
UV Index: 0
Wind: 19 mph
9 PM
Night
39°
Feels Like 27°
0
Humidity: 45%
UV Index: 0
Wind: 15 mph
10 PM
Night
36°
Feels Like 23°
0
Humidity: 49%
UV Index: 0
Wind: 15 mph
11 PM
Night
36°
Feels Like 23°
0
Humidity: 50%
UV Index: 0
Wind: 15 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.59 µg/m³
  • PM10: 3.57 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 4.01 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
79 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.063 ppm
  • NO2: 1.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
77 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.72 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.063 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.059 ppm
  • NO2: 2.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 2.2 µg/m³
  • O3: 0.054 ppm
  • NO2: 3.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.051 ppm
  • NO2: 4.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.048 ppm
  • NO2: 4.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.046 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 2.09 µg/m³
  • O3: 0.045 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.79 µg/m³
  • PM10: 2.13 µg/m³
  • O3: 0.044 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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