Hourly Weather | Today Monday, September 21, 2026
Burlington, Vermont
12 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 72%
UV Index: 2
Wind: 9 mph
1 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 66%
UV Index: 3
Wind: 9 mph
2 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 62%
UV Index: 3
Wind: 9 mph
3 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 58%
UV Index: 3
Wind: 9 mph
4 PM
Cloudy Weather
59°
Feels Like 59°
0
Humidity: 55%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
59°
Feels Like 59°
0
Humidity: 52%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 54%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 58%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 63%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 70%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 76%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 79%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 2.72 µg/m³
  • O3: 0.020 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 1.93 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

2 PM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.2 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.72 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 0.79 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.56 µg/m³
  • PM10: 0.79 µg/m³
  • O3: 0.027 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 0.87 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 1 µg/m³
  • O3: 0.028 ppm
  • NO2: 1 ppb
  • SO2: 0.1 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 1.26 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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