Hourly Weather | Today Thursday, February 26, 2026
Active Weather Warnings
Manchester, New Hampshire
6 AM
Cloudy Night
27°
Feels Like 18°
49
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)

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.

Weather Alerts and Warnings for Manchester

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued February 26 at 4:05AM EST by NWS Gray ME
Feb 26, 4:05 AM Feb 26, 8:00 AM
Sub freezing temperatures following last nights precipitation and
patchy freezing fog may create slick conditions on untreated
roadways this morning. Use caution and leave extra room between
your vehicle and the vehicle in front of you.
Updated: Feb 26, 4:25 AM Source: NWS Alert