Hourly Weather | Today Wednesday, August 12, 2026
Meriden, Connecticut
9 AM
Cloudy Weather
66°
Feels Like 72°
0
Humidity: 85%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
70°
Feels Like 75°
0
Humidity: 76%
UV Index: 4
Wind: 6 mph
11 AM
Cloudy Weather
73°
Feels Like 81°
0
Humidity: 68%
UV Index: 6
Wind: 6 mph
12 PM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 58%
UV Index: 8
Wind: 7 mph
1 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 50%
UV Index: 8
Wind: 7 mph
2 PM
Cloudy Weather
84°
Feels Like 91°
0
Humidity: 44%
UV Index: 8
Wind: 7 mph
3 PM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 42%
UV Index: 6
Wind: 7 mph
4 PM
Cloudy Weather
86°
Feels Like 90°
0
Humidity: 40%
UV Index: 4
Wind: 7 mph
5 PM
Cloudy Weather
84°
Feels Like 86°
0
Humidity: 43%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 47%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 53%
UV Index: 1
Wind: 5 mph
8 PM
Cloudy Night
77°
Feels Like 77°
12
Humidity: 63%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
73°
Feels Like 73°
12
Humidity: 72%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
72°
Feels Like 72°
16
Humidity: 80%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
70°
Feels Like 70°
47
Humidity: 86%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.55 µg/m³
  • PM10: 6.96 µg/m³
  • O3: 0.016 ppm
  • NO2: 10.1 ppb
  • SO2: 2.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 7.5 µg/m³
  • O3: 0.022 ppm
  • NO2: 10 ppb
  • SO2: 2.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 8.57 µg/m³
  • O3: 0.030 ppm
  • NO2: 9.9 ppb
  • SO2: 2.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.39 µg/m³
  • PM10: 9.44 µg/m³
  • O3: 0.044 ppm
  • NO2: 7.4 ppb
  • SO2: 2.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.86 µg/m³
  • PM10: 12.68 µg/m³
  • O3: 0.057 ppm
  • NO2: 5.3 ppb
  • SO2: 1.8 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
96 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 15.15 µg/m³
  • PM10: 16.88 µg/m³
  • O3: 0.069 ppm
  • NO2: 3.6 ppb
  • SO2: 1.6 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.

3 PM
114 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 17.2 µg/m³
  • PM10: 18.83 µg/m³
  • O3: 0.074 ppm
  • NO2: 3.2 ppb
  • SO2: 1.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.72 µg/m³
  • PM10: 18.22 µg/m³
  • O3: 0.073 ppm
  • NO2: 3.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

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

Pollutant Concentrations:

  • PM2.5: 15.35 µg/m³
  • PM10: 16.7 µg/m³
  • O3: 0.069 ppm
  • NO2: 4 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.

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

Pollutant Concentrations:

  • PM2.5: 13.77 µg/m³
  • PM10: 15.07 µg/m³
  • O3: 0.066 ppm
  • NO2: 4.5 ppb
  • SO2: 1 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
73 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.14 µg/m³
  • PM10: 13.53 µg/m³
  • O3: 0.061 ppm
  • NO2: 4.8 ppb
  • SO2: 0.9 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.

8 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.54 µg/m³
  • PM10: 12.09 µg/m³
  • O3: 0.057 ppm
  • NO2: 4.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.23 µg/m³
  • PM10: 10.99 µg/m³
  • O3: 0.052 ppm
  • NO2: 4.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.51 µg/m³
  • PM10: 10.56 µg/m³
  • O3: 0.046 ppm
  • NO2: 6.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.73 µg/m³
  • PM10: 9.9 µg/m³
  • O3: 0.039 ppm
  • NO2: 7.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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