Hourly Weather | Today Thursday, February 26, 2026
Manchester, New Hampshire
5 AM
Cloudy Night
25°
Feels Like 18°
34
Frost Risk: 92%
Humidity: 82%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Night
27°
Feels Like 18°
22
Humidity: 73%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Weather
25°
Feels Like 19°
0
Frost Risk: 80%
Humidity: 69%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
27°
Feels Like 21°
0
Humidity: 62%
UV Index: 1
Wind: 8 mph
9 AM
Cloudy Weather
30°
Feels Like 23°
0
Humidity: 55%
UV Index: 2
Wind: 12 mph
10 AM
Cloudy Weather
34°
Feels Like 27°
0
Humidity: 48%
UV Index: 3
Wind: 13 mph
11 AM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 43%
UV Index: 3
Wind: 13 mph
12 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 42%
UV Index: 4
Wind: 12 mph
1 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 40%
UV Index: 3
Wind: 12 mph
2 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 39%
UV Index: 3
Wind: 10 mph
3 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 38%
UV Index: 2
Wind: 10 mph
4 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 36%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
37°
Feels Like 30°
0
Humidity: 39%
UV Index: 0
Wind: 8 mph
6 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 42%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 46%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
28°
Feels Like 27°
0
Humidity: 50%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 53%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
27°
Feels Like 23°
0
Humidity: 55%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
25°
Feels Like 21°
0
Frost Risk: 54%
Humidity: 59%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.21 µg/m³
  • PM10: 9.15 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 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: 7.17 µg/m³
  • PM10: 8.01 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 8.13 µg/m³
  • O3: 0.035 ppm
  • NO2: 6.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.32 µg/m³
  • PM10: 8.65 µg/m³
  • O3: 0.034 ppm
  • NO2: 8.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.23 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: 7.16 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.034 ppm
  • NO2: 8.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 7.78 µg/m³
  • O3: 0.037 ppm
  • NO2: 6.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 3.7 µg/m³
  • O3: 0.044 ppm
  • NO2: 3 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.48 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.49 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.049 ppm
  • NO2: 3 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.3 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.047 ppm
  • NO2: 4.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.13 µg/m³
  • PM10: 7.18 µg/m³
  • O3: 0.043 ppm
  • NO2: 7.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 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: 7.1 µg/m³
  • PM10: 8.39 µg/m³
  • O3: 0.038 ppm
  • NO2: 10.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.18 µg/m³
  • PM10: 9.7 µg/m³
  • O3: 0.036 ppm
  • NO2: 11.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.99 µg/m³
  • PM10: 10.69 µg/m³
  • O3: 0.034 ppm
  • NO2: 11.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.51 µg/m³
  • PM10: 11.34 µg/m³
  • O3: 0.033 ppm
  • NO2: 11.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.15 µg/m³
  • PM10: 10.94 µg/m³
  • O3: 0.032 ppm
  • NO2: 10.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.89 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.032 ppm
  • NO2: 9.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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