Hourly Weather | Today › Monday, November 2, 2026
Lewiston, Maine
1 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 88%
UV Index: 0
Wind: 4 mph
2 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 89%
UV Index: 0
Wind: 4 mph
3 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 92%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 93%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 95%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
45°
Feels Like 45°
0
Humidity: 95%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 85%
UV Index: 0
Wind: 4 mph
9 AM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 74%
UV Index: 1
Wind: 4 mph
10 AM
Cloudy Weather
54°
Feels Like 57°
0
Humidity: 69%
UV Index: 1
Wind: 4 mph
11 AM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 74%
UV Index: 1
Wind: 6 mph
12 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 68%
UV Index: 1
Wind: 7 mph
1 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 62%
UV Index: 1
Wind: 7 mph
2 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 64%
UV Index: 1
Wind: 7 mph
3 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 67%
UV Index: 1
Wind: 7 mph
4 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 71%
UV Index: 0
Wind: 7 mph
5 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 76%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Weather
54°
Feels Like 52°
0
Humidity: 82%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Weather
52°
Feels Like 50°
14
Humidity: 86%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
52°
Feels Like 48°
14
Humidity: 89%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
50°
Feels Like 48°
18
Humidity: 92%
UV Index: 0
Wind: 6 mph
10 PM
Rainy Weather
50°
Feels Like 45°
53
Humidity: 94%
UV Index: 0
Wind: 6 mph
11 PM
Rainy Weather
48°
Feels Like 45°
58
Humidity: 95%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.82 µg/m³
  • PM10: 5.02 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.9 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 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.2 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 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 5.03 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.05 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.12 µg/m³
  • PM10: 5.2 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.15 µg/m³
  • PM10: 5.24 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.31 µg/m³
  • PM10: 5.52 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 5.83 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.31 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

10 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.01 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.76 µg/m³
  • PM10: 5.23 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 5.57 µg/m³
  • O3: 0.043 ppm
  • NO2: 3 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 6.8 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.98 µg/m³
  • PM10: 7.63 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.62 µg/m³
  • PM10: 8.41 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.29 µg/m³
  • PM10: 9.23 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.19 µg/m³
  • PM10: 10.3 µg/m³
  • O3: 0.039 ppm
  • NO2: 7.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

7 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.24 µg/m³
  • PM10: 11.58 µg/m³
  • O3: 0.038 ppm
  • NO2: 8 ppb
  • SO2: 0.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

8 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.1 µg/m³
  • PM10: 12.65 µg/m³
  • O3: 0.036 ppm
  • NO2: 8.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.95 µg/m³
  • PM10: 13.73 µg/m³
  • O3: 0.034 ppm
  • NO2: 8.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.73 µg/m³
  • PM10: 14.69 µg/m³
  • O3: 0.033 ppm
  • NO2: 8.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.33 µg/m³
  • PM10: 15.37 µg/m³
  • O3: 0.031 ppm
  • NO2: 8.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.23 ppm

Health Recommendations:

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