Hourly Weather | Today Wednesday, December 24, 2025
Bristol, Connecticut
3 PM
Sunny Weather
39°
Feels Like 28°
29
Humidity: 49%
Wind: 14 mph
UV Index: 1
4 PM
Cloudy Weather
37°
Feels Like 28°
17
Humidity: 50%
Wind: 12 mph
UV Index: 0
5 PM
Night
37°
Feels Like 28°
17
Humidity: 53%
Wind: 11 mph
UV Index: 0
6 PM
Night
34°
Feels Like 27°
11
Humidity: 57%
Wind: 8 mph
UV Index: 0
7 PM
Night
34°
Feels Like 30°
0
Humidity: 56%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 62%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
28°
Feels Like 28°
0
Humidity: 67%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Night
27°
Feels Like 28°
0
Humidity: 71%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
27°
Feels Like 27°
0
Humidity: 74%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.4 µg/m³
  • PM10: 2.73 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.027 ppm
  • NO2: 6.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.024 ppm
  • NO2: 8.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.020 ppm
  • NO2: 11 ppb
  • SO2: 1.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 6.29 µg/m³
  • O3: 0.018 ppm
  • NO2: 12.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

8 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.81 µg/m³
  • PM10: 8.67 µg/m³
  • O3: 0.014 ppm
  • NO2: 15 ppb
  • SO2: 1.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

9 PM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.77 µg/m³
  • PM10: 11.84 µg/m³
  • O3: 0.011 ppm
  • NO2: 16.8 ppb
  • SO2: 1.6 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

10 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.64 µg/m³
  • PM10: 14.83 µg/m³
  • O3: 0.010 ppm
  • NO2: 17.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

11 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.97 µg/m³
  • PM10: 16.95 µg/m³
  • O3: 0.009 ppm
  • NO2: 17.2 ppb
  • SO2: 1.9 ppb
  • CO: 0.32 ppm

Health Recommendations:

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