Hourly Weather | Today Wednesday, April 29, 2026
Rochester, New Hampshire
5 AM
Cloudy Weather
43°
Feels Like 39°
7
Humidity: 79%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
43°
Feels Like 39°
7
Humidity: 79%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
43°
Feels Like 39°
6
Humidity: 79%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
45°
Feels Like 41°
5
Humidity: 77%
UV Index: 0
Wind: 7 mph
9 AM
Cloudy Weather
46°
Feels Like 43°
5
Humidity: 76%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
48°
Feels Like 46°
6
Humidity: 74%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
50°
Feels Like 48°
7
Humidity: 73%
UV Index: 1
Wind: 8 mph
12 PM
Cloudy Weather
52°
Feels Like 50°
7
Humidity: 72%
UV Index: 2
Wind: 9 mph
1 PM
Cloudy Weather
54°
Feels Like 52°
10
Humidity: 70%
UV Index: 2
Wind: 9 mph
2 PM
Cloudy Weather
55°
Feels Like 54°
15
Humidity: 68%
UV Index: 2
Wind: 9 mph
3 PM
Cloudy Weather
54°
Feels Like 50°
15
Humidity: 73%
UV Index: 1
Wind: 9 mph
4 PM
Cloudy Weather
52°
Feels Like 48°
19
Humidity: 76%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
50°
Feels Like 46°
47
Humidity: 81%
UV Index: 1
Wind: 9 mph
6 PM
Rainy Weather
48°
Feels Like 41°
51
Humidity: 87%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Weather
48°
Feels Like 43°
47
Humidity: 88%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
46°
Feels Like 41°
34
Humidity: 91%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
45°
Feels Like 41°
34
Humidity: 95%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
45°
Feels Like 39°
37
Humidity: 99%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
45°
Feels Like 41°
43
Humidity: 98%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.39 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 5.01 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 4.72 µg/m³
  • O3: 0.037 ppm
  • NO2: 5.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.039 ppm
  • NO2: 5.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 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: 2.34 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.049 ppm
  • NO2: 3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.59 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 4.8 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 5.1 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 5.36 µg/m³
  • O3: 0.047 ppm
  • NO2: 5.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.36 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.044 ppm
  • NO2: 6.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 5.98 µg/m³
  • O3: 0.042 ppm
  • NO2: 6.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.79 µg/m³
  • PM10: 6.19 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.042 ppm
  • NO2: 5.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 7.67 µg/m³
  • O3: 0.043 ppm
  • NO2: 5 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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