Hourly Weather | Today | Thursday, September 4, 2025
New Haven, Connecticut
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 63%
Wind: 15 mph
UV Index: 57
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 79°
0
Humidity: 56%
Wind: 15 mph
UV Index: 45
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 77°
0
Humidity: 55%
Wind: 16 mph
UV Index: 34
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 75°
0
Humidity: 56%
Wind: 16 mph
UV Index: 22
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 73°
0
Humidity: 59%
Wind: 15 mph
UV Index: 13
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 70°
3
Humidity: 65%
Wind: 14 mph
UV Index: 3
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 68°
34
Humidity: 76%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 66°
34
Humidity: 82%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 64°
37
Humidity: 84%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 66°
49
Humidity: 83%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
42 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 7.27 µg/m³
  • O₃: 61.83 ppb
  • NO₂: 0.98 ppb
  • SO₂: 0.65 ppb
  • CO: 136.82 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
43 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.14 µg/m³
  • PM10: 7.20 µg/m³
  • O₃: 61.00 ppb
  • NO₂: 1.07 ppb
  • SO₂: 0.64 ppb
  • CO: 137.31 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 7.35 µg/m³
  • O₃: 60.18 ppb
  • NO₂: 1.17 ppb
  • SO₂: 0.62 ppb
  • CO: 137.80 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
52 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.21 µg/m³
  • PM10: 7.42 µg/m³
  • O₃: 59.35 ppb
  • NO₂: 1.27 ppb
  • SO₂: 0.61 ppb
  • CO: 138.29 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
58 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.08 µg/m³
  • PM10: 7.31 µg/m³
  • O₃: 55.34 ppb
  • NO₂: 1.83 ppb
  • SO₂: 0.59 ppb
  • CO: 140.05 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
59 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.84 µg/m³
  • PM10: 7.12 µg/m³
  • O₃: 51.33 ppb
  • NO₂: 2.38 ppb
  • SO₂: 0.58 ppb
  • CO: 141.81 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
56 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 7.13 µg/m³
  • O₃: 47.32 ppb
  • NO₂: 2.94 ppb
  • SO₂: 0.56 ppb
  • CO: 143.57 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
51 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.65 µg/m³
  • PM10: 7.37 µg/m³
  • O₃: 45.97 ppb
  • NO₂: 2.76 ppb
  • SO₂: 0.54 ppb
  • CO: 140.26 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
49 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.70 µg/m³
  • PM10: 7.55 µg/m³
  • O₃: 44.62 ppb
  • NO₂: 2.58 ppb
  • SO₂: 0.52 ppb
  • CO: 136.95 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.77 µg/m³
  • PM10: 7.70 µg/m³
  • O₃: 43.27 ppb
  • NO₂: 2.41 ppb
  • SO₂: 0.49 ppb
  • CO: 133.64 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors