Hourly Weather | Today Monday, September 21, 2026
New Britain, Connecticut
3 PM
Cloudy Weather
66°
Feels Like 68°
0
Humidity: 60%
UV Index: 3
Wind: 8 mph
4 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 56%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 57%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 59%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 66%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 77%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 79%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 79%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.67 µg/m³
  • PM10: 5.71 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 5.97 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 6.6 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 7.15 µg/m³
  • O3: 0.043 ppm
  • NO2: 4.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 7.56 µg/m³
  • O3: 0.042 ppm
  • NO2: 4.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 7.57 µg/m³
  • O3: 0.041 ppm
  • NO2: 4.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 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: 4.3 µg/m³
  • PM10: 7.22 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 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: 3.79 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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