Hourly Weather | Today Tuesday, June 30, 2026
Active Weather Warnings
New Haven, Connecticut
5 PM
Stormy Weather
84°
Feels Like 82°
51
Humidity: 59%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
82°
Feels Like 82°
47
Humidity: 57%
UV Index: 1
Wind: 12 mph
7 PM
Cloudy Weather
81°
Feels Like 79°
47
Humidity: 56%
UV Index: 1
Wind: 10 mph
8 PM
Stormy Weather
77°
Feels Like 72°
51
Humidity: 59%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
75°
Feels Like 73°
47
Humidity: 64%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
73°
Feels Like 72°
40
Humidity: 69%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
72°
Feels Like 70°
33
Humidity: 75%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.46 µg/m³
  • PM10: 9.48 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 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: 5.39 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.76 µg/m³
  • PM10: 7.91 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 7.52 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.86 µg/m³
  • PM10: 7.21 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 7.3 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.65 µg/m³
  • PM10: 7.59 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

Weather Alerts and Warnings for New Haven

Air Quality Alert

Air Quality Alert issued June 29 at 3:03PM EDT by NWS Upton NY
Jun 29, 3:03 PM Jun 30, 11:00 PM
The Connecticut Department of Energy and Environmental Protection
has issued an Air Quality Action Day for the following counties:

Fairfield, New Haven, and Middlesex.

from 11 AM to 11 PM EDT Tuesday.

An Air Quality Action Day means that Ground Level Ozone within the
region may approach or exceed unhealthy standards. For additional
information, please visit the Connecticut Department of Energy and
Environmental Protection Web site at http://www.ct.gov/deep/aqi
Updated: Jun 30, 3:56 PM Source: NWS Alert