Hourly Weather | Today Tuesday, April 7, 2026
Rochester, New Hampshire
2 PM
Cloudy Weather
36°
Feels Like 34°
49
Humidity: 86%
UV Index: 1
Wind: 7 mph
3 PM
Cloudy Weather
36°
Feels Like 34°
49
Humidity: 86%
UV Index: 1
Wind: 6 mph
4 PM
Snowy Weather
36°
Feels Like 32°
64
Humidity: 86%
UV Index: 1
Wind: 6 mph
5 PM
Snowy Weather
36°
Feels Like 32°
68
Humidity: 86%
UV Index: 1
Wind: 4 mph
6 PM
Cloudy Weather
34°
Feels Like 30°
49
Humidity: 81%
UV Index: 0
Wind: 7 mph
7 PM
Snowy Weather
34°
Feels Like 23°
66
Humidity: 77%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
36°
Feels Like 23°
14
Humidity: 72%
UV Index: 0
Wind: 14 mph
9 PM
Cloudy Night
32°
Feels Like 19°
10
Humidity: 71%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
30°
Feels Like 16°
10
Humidity: 70%
UV Index: 0
Wind: 14 mph
11 PM
Cloudy Night
28°
Feels Like 16°
10
Humidity: 66%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 4.98 µg/m³
  • O3: 0.056 ppm
  • NO2: 4.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

3 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 4.7 µg/m³
  • O3: 0.057 ppm
  • NO2: 3.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 3.88 µg/m³
  • O3: 0.057 ppm
  • NO2: 3.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.17 µg/m³
  • PM10: 2.58 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.053 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.31 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.36 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 1.43 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.32 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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