Hourly Weather | Today › Monday, November 2, 2026
West Haven, Connecticut
1 AM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 77%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 79%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 81%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 85%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 90%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
50°
Feels Like 48°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 78%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
55°
Feels Like 57°
0
Humidity: 72%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
59°
Feels Like 61°
0
Humidity: 66%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 60%
UV Index: 3
Wind: 7 mph
12 PM
Cloudy Weather
64°
Feels Like 68°
0
Humidity: 54%
UV Index: 3
Wind: 8 mph
1 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 52%
UV Index: 3
Wind: 8 mph
2 PM
Cloudy Weather
68°
Feels Like 68°
0
Humidity: 50%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 52%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 56%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 68%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 77%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 89%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 92%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.6 µg/m³
  • PM10: 8.52 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

2 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.34 µg/m³
  • PM10: 9.57 µg/m³
  • O3: 0.032 ppm
  • NO2: 5.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

3 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.22 µg/m³
  • PM10: 10.83 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.8 ppb
  • SO2: 1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

4 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.11 µg/m³
  • PM10: 12.09 µg/m³
  • O3: 0.028 ppm
  • NO2: 8.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

5 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.19 µg/m³
  • PM10: 13.47 µg/m³
  • O3: 0.026 ppm
  • NO2: 9.2 ppb
  • SO2: 1.7 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

6 AM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.29 µg/m³
  • PM10: 14.74 µg/m³
  • O3: 0.023 ppm
  • NO2: 10.4 ppb
  • SO2: 1.8 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

7 AM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.3 µg/m³
  • PM10: 15.88 µg/m³
  • O3: 0.021 ppm
  • NO2: 11.8 ppb
  • SO2: 1.9 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

8 AM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.05 µg/m³
  • PM10: 16.72 µg/m³
  • O3: 0.022 ppm
  • NO2: 13 ppb
  • SO2: 1.9 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

9 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.36 µg/m³
  • PM10: 17.05 µg/m³
  • O3: 0.024 ppm
  • NO2: 12 ppb
  • SO2: 2 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

10 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.53 µg/m³
  • PM10: 17.16 µg/m³
  • O3: 0.027 ppm
  • NO2: 11.1 ppb
  • SO2: 2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

11 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.66 µg/m³
  • PM10: 16.99 µg/m³
  • O3: 0.032 ppm
  • NO2: 9.6 ppb
  • SO2: 1.9 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

12 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.97 µg/m³
  • PM10: 15.8 µg/m³
  • O3: 0.039 ppm
  • NO2: 7.7 ppb
  • SO2: 1.7 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

1 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.65 µg/m³
  • PM10: 14.98 µg/m³
  • O3: 0.045 ppm
  • NO2: 5.7 ppb
  • SO2: 1.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

2 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.36 µg/m³
  • PM10: 14.25 µg/m³
  • O3: 0.050 ppm
  • NO2: 4.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.46 µg/m³
  • PM10: 12.95 µg/m³
  • O3: 0.052 ppm
  • NO2: 3 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.22 µg/m³
  • PM10: 11.4 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.98 µg/m³
  • PM10: 9.95 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.94 µg/m³
  • PM10: 8.8 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.1 µg/m³
  • PM10: 7.93 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 7.16 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 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: 4.75 µg/m³
  • PM10: 6.54 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.046 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 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: 3.94 µg/m³
  • PM10: 5.75 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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