Hourly Weather | Today › Friday, October 9, 2026
New Haven, Connecticut
6 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 47%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 51%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 54%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.93 µg/m³
  • PM10: 7.3 µg/m³
  • O3: 0.057 ppm
  • NO2: 3.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 7.11 µg/m³
  • O3: 0.051 ppm
  • NO2: 6.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.75 µg/m³
  • PM10: 7.27 µg/m³
  • O3: 0.043 ppm
  • NO2: 9.7 ppb
  • SO2: 1.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.25 µg/m³
  • PM10: 7.72 µg/m³
  • O3: 0.036 ppm
  • NO2: 13.1 ppb
  • SO2: 1.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 8.5 µg/m³
  • O3: 0.029 ppm
  • NO2: 16.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.05 µg/m³
  • PM10: 9.16 µg/m³
  • O3: 0.025 ppm
  • NO2: 18.1 ppb
  • SO2: 1.9 ppb
  • CO: 0.22 ppm

Health Recommendations:

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