Hourly Weather | Today Wednesday, August 12, 2026
Danbury, Connecticut
9 AM
Cloudy Weather
72°
Feels Like 75°
0
Humidity: 72%
UV Index: 3
Wind: 5 mph
10 AM
Cloudy Weather
73°
Feels Like 79°
0
Humidity: 64%
UV Index: 4
Wind: 6 mph
11 AM
Cloudy Weather
77°
Feels Like 82°
0
Humidity: 58%
UV Index: 6
Wind: 7 mph
12 PM
Cloudy Weather
79°
Feels Like 86°
0
Humidity: 53%
UV Index: 8
Wind: 7 mph
1 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 48%
UV Index: 8
Wind: 7 mph
2 PM
Cloudy Weather
82°
Feels Like 90°
7
Humidity: 45%
UV Index: 8
Wind: 7 mph
3 PM
Cloudy Weather
82°
Feels Like 88°
7
Humidity: 43%
UV Index: 6
Wind: 7 mph
4 PM
Cloudy Weather
84°
Feels Like 88°
6
Humidity: 40%
UV Index: 4
Wind: 6 mph
5 PM
Cloudy Weather
84°
Feels Like 84°
5
Humidity: 42%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
82°
Feels Like 82°
5
Humidity: 45%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
81°
Feels Like 81°
8
Humidity: 52%
UV Index: 1
Wind: 5 mph
8 PM
Cloudy Night
77°
Feels Like 75°
43
Humidity: 62%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
73°
Feels Like 73°
47
Humidity: 70%
UV Index: 0
Wind: 4 mph
10 PM
Stormy Weather
72°
Feels Like 66°
51
Humidity: 78%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
68°
Feels Like 68°
19
Humidity: 86%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.41 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.013 ppm
  • NO2: 7.9 ppb
  • SO2: 1.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 6.25 µg/m³
  • O3: 0.019 ppm
  • NO2: 7.7 ppb
  • SO2: 1.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.48 µg/m³
  • PM10: 7.04 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.5 ppb
  • SO2: 1.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.77 µg/m³
  • PM10: 6.88 µg/m³
  • O3: 0.042 ppm
  • NO2: 5.1 ppb
  • SO2: 1.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

1 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.77 µg/m³
  • PM10: 8.7 µg/m³
  • O3: 0.053 ppm
  • NO2: 3.3 ppb
  • SO2: 1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.33 µg/m³
  • PM10: 11.19 µg/m³
  • O3: 0.062 ppm
  • NO2: 2.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.35 µg/m³
  • PM10: 12.15 µg/m³
  • O3: 0.065 ppm
  • NO2: 2.3 ppb
  • SO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 10.69 µg/m³
  • PM10: 11.44 µg/m³
  • O3: 0.062 ppm
  • NO2: 3 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.

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

Pollutant Concentrations:

  • PM2.5: 9.52 µg/m³
  • PM10: 10.24 µg/m³
  • O3: 0.057 ppm
  • NO2: 3.9 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.

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

Pollutant Concentrations:

  • PM2.5: 8.42 µg/m³
  • PM10: 9.18 µg/m³
  • O3: 0.052 ppm
  • NO2: 5.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.49 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.046 ppm
  • NO2: 6.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.75 µg/m³
  • PM10: 7.81 µg/m³
  • O3: 0.040 ppm
  • NO2: 7.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.24 µg/m³
  • PM10: 7.42 µg/m³
  • O3: 0.034 ppm
  • NO2: 7.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.028 ppm
  • NO2: 9 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.58 µg/m³
  • PM10: 8.09 µg/m³
  • O3: 0.022 ppm
  • NO2: 10.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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