Hourly Weather | Today Thursday, December 4, 2025
New Haven, Connecticut
6 AM
Night
30°
Feels Like 27°
0
Humidity: 84%
Wind: 7 mph
UV Index: 0
7 AM
Cloudy Night
34°
Feels Like 25°
7
Humidity: 75%
Wind: 10 mph
UV Index: 0
8 AM
Cloudy Weather
36°
Feels Like 27°
7
Humidity: 70%
Wind: 12 mph
UV Index: 0
9 AM
Cloudy Weather
37°
Feels Like 27°
6
Humidity: 65%
Wind: 13 mph
UV Index: 1
10 AM
Cloudy Weather
37°
Feels Like 28°
5
Humidity: 62%
Wind: 14 mph
UV Index: 1
11 AM
Cloudy Weather
39°
Feels Like 30°
5
Humidity: 58%
Wind: 15 mph
UV Index: 1
12 PM
Cloudy Weather
41°
Feels Like 30°
8
Humidity: 56%
Wind: 15 mph
UV Index: 1
1 PM
Snowy Weather
41°
Feels Like 28°
51
Humidity: 56%
Wind: 17 mph
UV Index: 1
2 PM
Cloudy Weather
43°
Feels Like 32°
47
Humidity: 50%
Wind: 18 mph
UV Index: 2
3 PM
Cloudy Weather
41°
Feels Like 28°
35
Humidity: 48%
Wind: 20 mph
UV Index: 1
4 PM
Cloudy Weather
39°
Feels Like 27°
19
Humidity: 46%
Wind: 20 mph
UV Index: 0
5 PM
Night
36°
Feels Like 21°
19
Humidity: 46%
Wind: 18 mph
UV Index: 0
6 PM
Night
34°
Feels Like 19°
13
Humidity: 46%
Wind: 16 mph
UV Index: 0
7 PM
Night
30°
Feels Like 18°
0
Humidity: 46%
Wind: 15 mph
UV Index: 0
8 PM
Night
28°
Feels Like 16°
0
Humidity: 47%
Wind: 15 mph
UV Index: 0
9 PM
Night
27°
Feels Like 12°
0
Humidity: 50%
Wind: 14 mph
UV Index: 0
10 PM
Night
27°
Feels Like 12°
0
Humidity: 49%
Wind: 14 mph
UV Index: 0
11 PM
Night
25°
Feels Like 10°
0
Humidity: 47%
Wind: 14 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 12.15 µg/m³
  • PM10: 15.69 µg/m³
  • O3: 0.025 ppm
  • NO2: 8.1 ppb
  • SO2: 2.8 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.07 µg/m³
  • PM10: 15.58 µg/m³
  • O3: 0.026 ppm
  • NO2: 8.1 ppb
  • SO2: 2.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.54 µg/m³
  • PM10: 14.94 µg/m³
  • O3: 0.028 ppm
  • NO2: 8.2 ppb
  • SO2: 2.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.8 µg/m³
  • PM10: 14.08 µg/m³
  • O3: 0.031 ppm
  • NO2: 9 ppb
  • SO2: 2.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.27 µg/m³
  • PM10: 13.49 µg/m³
  • O3: 0.033 ppm
  • NO2: 9.1 ppb
  • SO2: 2.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.63 µg/m³
  • PM10: 12.72 µg/m³
  • O3: 0.034 ppm
  • NO2: 8.8 ppb
  • SO2: 2.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.83 µg/m³
  • PM10: 11.68 µg/m³
  • O3: 0.035 ppm
  • NO2: 8.2 ppb
  • SO2: 2.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.16 µg/m³
  • PM10: 10.82 µg/m³
  • O3: 0.034 ppm
  • NO2: 8.2 ppb
  • SO2: 2.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.79 µg/m³
  • PM10: 9.14 µg/m³
  • O3: 0.032 ppm
  • NO2: 8.1 ppb
  • SO2: 2.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.09 µg/m³
  • PM10: 7.1 µg/m³
  • O3: 0.030 ppm
  • NO2: 8.5 ppb
  • SO2: 1.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.73 µg/m³
  • PM10: 5.41 µg/m³
  • O3: 0.028 ppm
  • NO2: 9.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 4.07 µg/m³
  • O3: 0.030 ppm
  • NO2: 8.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.82 µg/m³
  • O3: 0.032 ppm
  • NO2: 6.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.72 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.78 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.78 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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