Hourly Weather | Today Tuesday, April 7, 2026
Bristol, Connecticut
12 PM
Rainy Weather
52°
Feels Like 45°
48
Humidity: 41%
UV Index: 2
Wind: 16 mph
1 PM
Cloudy Weather
50°
Feels Like 46°
44
Humidity: 38%
UV Index: 6
Wind: 17 mph
2 PM
Partly Sunny with Showers
48°
Feels Like 43°
53
Humidity: 35%
UV Index: 6
Wind: 18 mph
3 PM
Cloudy Weather
48°
Feels Like 43°
49
Humidity: 33%
UV Index: 5
Wind: 18 mph
4 PM
Cloudy Weather
46°
Feels Like 39°
49
Humidity: 33%
UV Index: 3
Wind: 20 mph
5 PM
Partly Sunny with Showers
45°
Feels Like 32°
56
Humidity: 34%
UV Index: 2
Wind: 20 mph
6 PM
Cloudy Weather
43°
Feels Like 32°
49
Humidity: 35%
UV Index: 1
Wind: 18 mph
7 PM
Cloudy Weather
39°
Feels Like 28°
32
Humidity: 40%
UV Index: 0
Wind: 16 mph
8 PM
Cloudy Night
37°
Feels Like 21°
0
Humidity: 46%
UV Index: 0
Wind: 18 mph
9 PM
Cloudy Night
36°
Feels Like 23°
0
Humidity: 50%
UV Index: 0
Wind: 14 mph
10 PM
Cloudy Night
34°
Feels Like 21°
0
Humidity: 52%
UV Index: 0
Wind: 13 mph
11 PM
Cloudy Night
32°
Feels Like 21°
0
Humidity: 53%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.77 µg/m³
  • PM10: 2.84 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

1 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.91 µg/m³
  • O3: 0.058 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.060 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 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.

3 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.060 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 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.

4 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.058 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 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.

5 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.4 ppb
  • SO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.86 µg/m³
  • O3: 0.052 ppm
  • NO2: 3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.049 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 2.16 µg/m³
  • O3: 0.047 ppm
  • NO2: 4.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.9 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.045 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 2.11 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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