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Hourly Weather | Today | Wednesday, August 13, 2025
New Haven, Connecticut
8 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 84°
0
Humidity: 84%
Wind: 7 mph
UV Index: 2
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 88°
0
Humidity: 77%
Wind: 7 mph
UV Index: 3
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 91°
0
Humidity: 73%
Wind: 8 mph
UV Index: 4
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 93°
0
Humidity: 69%
Wind: 9 mph
UV Index: 6
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 97°
0
Humidity: 66%
Wind: 9 mph
UV Index: 8
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 97°
1
Humidity: 63%
Wind: 10 mph
UV Index: 8
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 99°
12
Humidity: 60%
Wind: 10 mph
UV Index: 8
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 97°
12
Humidity: 61%
Wind: 10 mph
UV Index: 6
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 93°
16
Humidity: 62%
Wind: 10 mph
UV Index: 4
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 91°
47
Humidity: 63%
Wind: 10 mph
UV Index: 3
6 PM
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
84°
Feels Like 88°
51
Humidity: 69%
Wind: 9 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 88°
47
Humidity: 72%
Wind: 8 mph
UV Index: 1
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
81°
Feels Like 84°
34
Humidity: 75%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
79°
Feels Like 82°
34
Humidity: 81%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
77°
Feels Like 81°
40
Humidity: 83%
Wind: 7 mph
UV Index: 0
11 PM
Stormy WeatherStormy weather, thunderstorms.
77°
Feels Like 79°
51
Humidity: 83%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.44 µg/m³
  • PM10: 10.65 µg/m³
  • O₃: 29.81 ppb
  • NO₂: 9.57 ppb
  • SO₂: 2.82 ppb
  • CO: 199.57 ppb

Health Recommendations:

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

9 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.46 µg/m³
  • PM10: 10.71 µg/m³
  • O₃: 40.98 ppb
  • NO₂: 7.85 ppb
  • SO₂: 2.58 ppb
  • CO: 192.31 ppb

Health Recommendations:

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

10 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.65 µg/m³
  • PM10: 10.00 µg/m³
  • O₃: 52.15 ppb
  • NO₂: 6.12 ppb
  • SO₂: 2.34 ppb
  • CO: 185.05 ppb

Health Recommendations:

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

11 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 10.27 µg/m³
  • O₃: 63.32 ppb
  • NO₂: 4.39 ppb
  • SO₂: 2.10 ppb
  • CO: 177.79 ppb

Health Recommendations:

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

12 PM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.60 µg/m³
  • PM10: 11.19 µg/m³
  • O₃: 70.54 ppb
  • NO₂: 3.48 ppb
  • SO₂: 1.92 ppb
  • CO: 173.14 ppb

Health Recommendations:

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

1 PM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.93 µg/m³
  • PM10: 12.71 µg/m³
  • O₃: 77.77 ppb
  • NO₂: 2.57 ppb
  • SO₂: 1.74 ppb
  • CO: 168.49 ppb

Health Recommendations:

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

2 PM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.71 µg/m³
  • PM10: 13.53 µg/m³
  • O₃: 84.99 ppb
  • NO₂: 1.65 ppb
  • SO₂: 1.56 ppb
  • CO: 163.83 ppb

Health Recommendations:

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

3 PM
76 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 12.73 µg/m³
  • PM10: 13.47 µg/m³
  • O₃: 83.21 ppb
  • NO₂: 1.79 ppb
  • SO₂: 1.38 ppb
  • CO: 161.34 ppb

Health Recommendations:

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

4 PM
99 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.22 µg/m³
  • PM10: 15.97 µg/m³
  • O₃: 85.83 ppb
  • NO₂: 2.04 ppb
  • SO₂: 1.38 ppb
  • CO: 161.64 ppb

Health Recommendations:

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

5 PM
113 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 12.63 µg/m³
  • PM10: 13.32 µg/m³
  • O₃: 79.64 ppb
  • NO₂: 2.06 ppb
  • SO₂: 1.03 ppb
  • CO: 156.35 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

6 PM
125 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.05 µg/m³
  • PM10: 15.73 µg/m³
  • O₃: 78.57 ppb
  • NO₂: 3.07 ppb
  • SO₂: 1.29 ppb
  • CO: 161.32 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

7 PM
125 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 11.32 µg/m³
  • PM10: 12.09 µg/m³
  • O₃: 64.32 ppb
  • NO₂: 4.27 ppb
  • SO₂: 1.06 ppb
  • CO: 159.52 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

8 PM
119 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 10.52 µg/m³
  • PM10: 11.38 µg/m³
  • O₃: 56.65 ppb
  • NO₂: 5.37 ppb
  • SO₂: 1.08 ppb
  • CO: 161.11 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

9 PM
108 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 9.83 µg/m³
  • PM10: 10.74 µg/m³
  • O₃: 52.17 ppb
  • NO₂: 5.77 ppb
  • SO₂: 1.10 ppb
  • CO: 161.66 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.