Hourly Weather | Today › Tuesday, November 3, 2026
Bristol, Connecticut
4 AM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 89%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
43°
Feels Like 41°
0
Humidity: 98%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 88%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 77%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
55°
Feels Like 57°
0
Humidity: 68%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
59°
Feels Like 61°
0
Humidity: 61%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 53%
UV Index: 3
Wind: 7 mph
12 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 47%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 42%
UV Index: 3
Wind: 8 mph
2 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 40%
UV Index: 2
Wind: 7 mph
3 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 45%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 52%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 65%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
55°
Feels Like 54°
7
Humidity: 73%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
54°
Feels Like 52°
7
Humidity: 80%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
52°
Feels Like 50°
7
Humidity: 85%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
52°
Feels Like 48°
7
Humidity: 90%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
52°
Feels Like 48°
7
Humidity: 93%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.36 µg/m³
  • PM10: 17.91 µg/m³
  • O3: 0.018 ppm
  • NO2: 19.9 ppb
  • SO2: 1.9 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

5 AM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.96 µg/m³
  • PM10: 18.89 µg/m³
  • O3: 0.016 ppm
  • NO2: 21 ppb
  • SO2: 2 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

6 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.68 µg/m³
  • PM10: 20.09 µg/m³
  • O3: 0.014 ppm
  • NO2: 22.3 ppb
  • SO2: 2 ppb
  • CO: 0.29 ppm

Health Recommendations:

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

7 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.53 µg/m³
  • PM10: 23.18 µg/m³
  • O3: 0.012 ppm
  • NO2: 24.1 ppb
  • SO2: 2 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

8 AM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.39 µg/m³
  • PM10: 26.56 µg/m³
  • O3: 0.013 ppm
  • NO2: 22.8 ppb
  • SO2: 2.1 ppb
  • CO: 0.36 ppm

Health Recommendations:

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

9 AM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.72 µg/m³
  • PM10: 28.89 µg/m³
  • O3: 0.016 ppm
  • NO2: 20.7 ppb
  • SO2: 2.4 ppb
  • CO: 0.39 ppm

Health Recommendations:

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

10 AM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.92 µg/m³
  • PM10: 30.16 µg/m³
  • O3: 0.020 ppm
  • NO2: 20.1 ppb
  • SO2: 3.1 ppb
  • CO: 0.39 ppm

Health Recommendations:

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

11 AM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.6 µg/m³
  • PM10: 24.41 µg/m³
  • O3: 0.028 ppm
  • NO2: 18.4 ppb
  • SO2: 3.8 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

12 PM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.07 µg/m³
  • PM10: 20.87 µg/m³
  • O3: 0.032 ppm
  • NO2: 16.2 ppb
  • SO2: 3.5 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

1 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.77 µg/m³
  • PM10: 17.87 µg/m³
  • O3: 0.036 ppm
  • NO2: 13.4 ppb
  • SO2: 3 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

2 PM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.59 µg/m³
  • PM10: 16.25 µg/m³
  • O3: 0.043 ppm
  • NO2: 11.1 ppb
  • SO2: 2.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.25 µg/m³
  • PM10: 15.67 µg/m³
  • O3: 0.045 ppm
  • NO2: 9.8 ppb
  • SO2: 2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.95 µg/m³
  • PM10: 15.32 µg/m³
  • O3: 0.045 ppm
  • NO2: 9.5 ppb
  • SO2: 1.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.88 µg/m³
  • PM10: 15.59 µg/m³
  • O3: 0.042 ppm
  • NO2: 11.3 ppb
  • SO2: 1.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

6 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.12 µg/m³
  • PM10: 16.56 µg/m³
  • O3: 0.037 ppm
  • NO2: 14.5 ppb
  • SO2: 1.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

7 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.41 µg/m³
  • PM10: 17.63 µg/m³
  • O3: 0.033 ppm
  • NO2: 17 ppb
  • SO2: 1.2 ppb
  • CO: 0.23 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.46 µg/m³
  • PM10: 18.23 µg/m³
  • O3: 0.030 ppm
  • NO2: 18 ppb
  • SO2: 1.1 ppb
  • CO: 0.24 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.14 µg/m³
  • PM10: 17.97 µg/m³
  • O3: 0.030 ppm
  • NO2: 17.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.24 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: 8.65 µg/m³
  • PM10: 17.23 µg/m³
  • O3: 0.030 ppm
  • NO2: 16.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 15.76 µg/m³
  • O3: 0.031 ppm
  • NO2: 14.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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