Hourly Weather | Today Monday, September 14, 2026
Mesa, Arizona
8 AM
Cloudy Weather
90°
Feels Like 95°
20
Humidity: 56%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
90°
Feels Like 97°
20
Humidity: 51%
UV Index: 4
Wind: 7 mph
10 AM
Cloudy Weather
91°
Feels Like 99°
20
Humidity: 43%
UV Index: 5
Wind: 7 mph
11 AM
Cloudy Weather
95°
Feels Like 102°
20
Humidity: 39%
UV Index: 7
Wind: 7 mph
12 PM
Cloudy Weather
97°
Feels Like 106°
20
Humidity: 35%
UV Index: 7
Wind: 7 mph
1 PM
Cloudy Weather
100°
Feels Like 106°
19
Humidity: 32%
UV Index: 7
Wind: 7 mph
2 PM
Cloudy Weather
100°
Feels Like 106°
19
Humidity: 30%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
102°
Feels Like 106°
24
Humidity: 27%
UV Index: 4
Wind: 7 mph
4 PM
Sunny with a Chance of Thunderstorms
100°
Feels Like 99°
51
Humidity: 30%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
99°
Feels Like 99°
47
Humidity: 31%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
99°
Feels Like 99°
47
Humidity: 30%
UV Index: 0
Wind: 8 mph
7 PM
Stormy Weather
97°
Feels Like 93°
51
Humidity: 34%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
95°
Feels Like 93°
47
Humidity: 36%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
93°
Feels Like 91°
40
Humidity: 38%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
91°
Feels Like 90°
34
Humidity: 42%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
88°
Feels Like 88°
34
Humidity: 47%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
31 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 33.1 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 AM
29 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 5.89 µg/m³
  • PM10: 30.91 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.99 µg/m³
  • PM10: 18.9 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 12.65 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 10.65 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 9.82 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 9.32 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 9 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 9.01 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.59 µg/m³
  • PM10: 9.45 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 10.12 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.14 µg/m³
  • PM10: 11.68 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 13.9 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.2 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.91 µg/m³
  • PM10: 15.58 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.2 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 16.48 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.12 µg/m³
  • PM10: 17.81 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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