Hourly Weather | Today Thursday, July 16, 2026
Active Weather Warnings
Rochester, Minnesota
3 AM
Rainy Night
75°
Feels Like 81°
49
Humidity: 92%
UV Index: 0
Wind: 2 mph
4 AM
Rainy Night
73°
Feels Like 81°
49
Humidity: 94%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
73°
Feels Like 81°
37
Humidity: 96%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Weather
73°
Feels Like 81°
31
Humidity: 98%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
75°
Feels Like 82°
27
Humidity: 93%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
77°
Feels Like 88°
19
Humidity: 86%
UV Index: 2
Wind: 4 mph
9 AM
Cloudy Weather
79°
Feels Like 91°
19
Humidity: 78%
UV Index: 3
Wind: 4 mph
10 AM
Cloudy Weather
82°
Feels Like 95°
19
Humidity: 69%
UV Index: 5
Wind: 4 mph
11 AM
Cloudy Weather
84°
Feels Like 99°
19
Humidity: 62%
UV Index: 7
Wind: 4 mph
12 PM
Cloudy Weather
86°
Feels Like 100°
19
Humidity: 57%
UV Index: 9
Wind: 4 mph
1 PM
Cloudy Weather
86°
Feels Like 100°
24
Humidity: 55%
UV Index: 10
Wind: 4 mph
2 PM
Cloudy Weather
88°
Feels Like 100°
47
Humidity: 54%
UV Index: 9
Wind: 5 mph
3 PM
Sunny with a Chance of Thunderstorms
88°
Feels Like 99°
51
Humidity: 58%
UV Index: 6
Wind: 5 mph
4 PM
Cloudy Weather
88°
Feels Like 99°
47
Humidity: 59%
UV Index: 5
Wind: 6 mph
5 PM
Cloudy Weather
90°
Feels Like 97°
15
Humidity: 53%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
88°
Feels Like 93°
15
Humidity: 58%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
84°
Feels Like 91°
19
Humidity: 62%
UV Index: 1
Wind: 6 mph
8 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 86°
51
Humidity: 68%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
81°
Feels Like 88°
47
Humidity: 74%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
79°
Feels Like 84°
40
Humidity: 80%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
77°
Feels Like 82°
34
Humidity: 87%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.7 µg/m³
  • PM10: 10.67 µg/m³
  • O3: 0.015 ppm
  • NO2: 4.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.45 µg/m³
  • PM10: 11.47 µg/m³
  • O3: 0.014 ppm
  • NO2: 4.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.94 µg/m³
  • PM10: 10.98 µg/m³
  • O3: 0.011 ppm
  • NO2: 4.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.62 µg/m³
  • PM10: 10.67 µg/m³
  • O3: 0.008 ppm
  • NO2: 4.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.76 µg/m³
  • PM10: 10.82 µg/m³
  • O3: 0.006 ppm
  • NO2: 4 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.12 µg/m³
  • PM10: 10.14 µg/m³
  • O3: 0.005 ppm
  • NO2: 2.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.94 µg/m³
  • PM10: 9.92 µg/m³
  • O3: 0.005 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.02 µg/m³
  • PM10: 9.97 µg/m³
  • O3: 0.006 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.14 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: 7.5 µg/m³
  • PM10: 7.94 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 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: 7 µg/m³
  • PM10: 7.38 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 7.06 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.47 µg/m³
  • PM10: 6.81 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.23 µg/m³
  • PM10: 6.54 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.02 µg/m³
  • PM10: 6.33 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: 5.93 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.96 µg/m³
  • PM10: 6.26 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 6.31 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 6.53 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 6.89 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.72 µg/m³
  • PM10: 7.23 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.92 µg/m³
  • PM10: 7.49 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.8 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Rochester

Air Quality Alert

Air Quality Alert issued July 15 at 9:06PM CDT by NWS La Crosse WI
Jul 15, 9:06 PM Jul 17, 11:00 AM
WHAT: The Minnesota Pollution Control Agency has issued an Air
Quality Alert for fine particles pollution. The Air Quality Index
(AQI) is expected to reach the Red or Unhealthy category.

WHERE: Southeastern Minnesota.

WHEN: Until 11 AM CDT Friday.

IMPACTS: Some members of the general public may experience health
effects. Sensitive groups, such as people with lung disease
(including asthma), heart disease, and children and older adults, may
experience health effects.

ADDITIONAL DETAILS: Dense smoke is being pulled by a quasi-
stationary front across southern Minnesota. Smoke will arrive along
the I-90 corridor Wednesday evening. The smoke will have a rapid
onset with visibility rapidly declining. There will be a sharp
gradient of smoke, with some areas of the same counties experiencing
Good/Green air quality while other experience Red/Unhealthy for All
conditions as the front slowly moves south. Conditions will gradually
improve by Friday morning as the front retreats northward.
+ Read More
Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should remain indoors and keep activity levels low. The general public should avoid physical activities outdoors. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices.
Updated: Jul 16, 2:26 AM Source: NWS Alert