Hourly Weather | Today Tuesday, September 1, 2026
Meriden, Connecticut
12 PM
Stormy Weather
73°
Feels Like 77°
73
Humidity: 87%
UV Index: 1
Wind: 7 mph
1 PM
Cloudy Weather
75°
Feels Like 81°
49
Humidity: 83%
UV Index: 2
Wind: 7 mph
2 PM
Cloudy Weather
75°
Feels Like 79°
34
Humidity: 87%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
73°
Feels Like 79°
34
Humidity: 87%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
73°
Feels Like 77°
40
Humidity: 88%
UV Index: 1
Wind: 9 mph
5 PM
Stormy Weather
73°
Feels Like 72°
55
Humidity: 91%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
72°
Feels Like 73°
49
Humidity: 91%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Weather
72°
Feels Like 73°
49
Humidity: 92%
UV Index: 0
Wind: 8 mph
8 PM
Stormy Weather
68°
Feels Like 64°
66
Humidity: 93%
UV Index: 0
Wind: 10 mph
9 PM
Stormy Weather
68°
Feels Like 66°
57
Humidity: 93%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Weather
66°
Feels Like 64°
49
Humidity: 94%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
66°
Feels Like 64°
34
Humidity: 95%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 10.74 µg/m³
  • PM10: 12.93 µg/m³
  • O3: 0.029 ppm
  • NO2: 7.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.1 µg/m³
  • PM10: 13.05 µg/m³
  • O3: 0.033 ppm
  • NO2: 7.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.51 µg/m³
  • PM10: 13.32 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.5 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.93 µg/m³
  • PM10: 13.7 µg/m³
  • O3: 0.039 ppm
  • NO2: 6.2 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.53 µg/m³
  • PM10: 14.36 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.91 µg/m³
  • PM10: 14.83 µg/m³
  • O3: 0.041 ppm
  • NO2: 7.5 ppb
  • SO2: 1.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.04 µg/m³
  • PM10: 15.07 µg/m³
  • O3: 0.040 ppm
  • NO2: 9.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.04 µg/m³
  • PM10: 15.21 µg/m³
  • O3: 0.036 ppm
  • NO2: 11.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

8 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.19 µg/m³
  • PM10: 15.48 µg/m³
  • O3: 0.031 ppm
  • NO2: 13.6 ppb
  • SO2: 1.4 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

9 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.94 µg/m³
  • PM10: 16.45 µg/m³
  • O3: 0.027 ppm
  • NO2: 15.3 ppb
  • SO2: 1.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

10 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.46 µg/m³
  • PM10: 17.4 µg/m³
  • O3: 0.022 ppm
  • NO2: 17.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

11 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.72 µg/m³
  • PM10: 16.84 µg/m³
  • O3: 0.019 ppm
  • NO2: 17.8 ppb
  • SO2: 1.8 ppb
  • CO: 0.26 ppm

Health Recommendations:

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