Hourly Weather | Today Wednesday, April 29, 2026
Bangor, Maine
4 AM
Cloudy Weather
41°
Feels Like 39°
6
Humidity: 78%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Weather
41°
Feels Like 41°
7
Humidity: 83%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Weather
43°
Feels Like 41°
7
Humidity: 83%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
43°
Feels Like 41°
10
Humidity: 84%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
45°
Feels Like 43°
15
Humidity: 83%
UV Index: 0
Wind: 6 mph
9 AM
Cloudy Weather
46°
Feels Like 43°
15
Humidity: 82%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
46°
Feels Like 45°
19
Humidity: 83%
UV Index: 1
Wind: 7 mph
11 AM
Rainy Weather
46°
Feels Like 43°
55
Humidity: 83%
UV Index: 1
Wind: 7 mph
12 PM
Cloudy Weather
46°
Feels Like 46°
47
Humidity: 83%
UV Index: 2
Wind: 7 mph
1 PM
Rainy Weather
48°
Feels Like 45°
55
Humidity: 83%
UV Index: 2
Wind: 8 mph
2 PM
Cloudy Weather
48°
Feels Like 46°
40
Humidity: 81%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
48°
Feels Like 45°
34
Humidity: 85%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
46°
Feels Like 45°
38
Humidity: 85%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
46°
Feels Like 43°
49
Humidity: 87%
UV Index: 1
Wind: 8 mph
6 PM
Rainy Weather
46°
Feels Like 39°
55
Humidity: 88%
UV Index: 0
Wind: 8 mph
7 PM
Rainy Weather
46°
Feels Like 39°
55
Humidity: 88%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
45°
Feels Like 39°
25
Humidity: 90%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
45°
Feels Like 39°
20
Humidity: 91%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
45°
Feels Like 39°
20
Humidity: 91%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
45°
Feels Like 39°
20
Humidity: 91%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 1.67 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.44 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.3 µg/m³
  • PM10: 1.44 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 AM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.35 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 AM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 1.57 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.65 µg/m³
  • O3: 0.055 ppm
  • NO2: 1 ppb
  • SO2: 0.3 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.

11 AM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 2.14 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 1.95 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 2.97 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 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
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.37 µg/m³
  • PM10: 3.68 µg/m³
  • O3: 0.059 ppm
  • NO2: 1 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 4.05 µg/m³
  • O3: 0.057 ppm
  • NO2: 1 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 4.55 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 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.

9 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.81 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 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.

10 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 5.72 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 2.98 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 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.