Hourly Weather | Today Friday, September 18, 2026
Gilbert, Arizona
4 AM
Cloudy Night
79°
Feels Like 79°
0
Humidity: 62%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
79°
Feels Like 79°
0
Humidity: 63%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
79°
Feels Like 77°
0
Humidity: 63%
UV Index: 0
Wind: 7 mph
7 AM
Sunny Weather
79°
Feels Like 79°
0
Humidity: 64%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 56%
UV Index: 2
Wind: 6 mph
9 AM
Sunny Weather
86°
Feels Like 90°
0
Humidity: 49%
UV Index: 3
Wind: 6 mph
10 AM
Sunny Weather
90°
Feels Like 95°
0
Humidity: 43%
UV Index: 5
Wind: 7 mph
11 AM
Sunny Weather
93°
Feels Like 99°
0
Humidity: 38%
UV Index: 6
Wind: 7 mph
12 PM
Sunny Weather
95°
Feels Like 100°
0
Humidity: 34%
UV Index: 7
Wind: 7 mph
1 PM
Cloudy Weather
97°
Feels Like 102°
0
Humidity: 31%
UV Index: 6
Wind: 7 mph
2 PM
Cloudy Weather
99°
Feels Like 100°
0
Humidity: 29%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
100°
Feels Like 100°
0
Humidity: 27%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
100°
Feels Like 100°
0
Humidity: 25%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
99°
Feels Like 99°
0
Humidity: 25%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
99°
Feels Like 95°
0
Humidity: 26%
UV Index: 0
Wind: 7 mph
7 PM
Night
97°
Feels Like 93°
0
Humidity: 26%
UV Index: 0
Wind: 7 mph
8 PM
Night
93°
Feels Like 91°
0
Humidity: 27%
UV Index: 0
Wind: 6 mph
9 PM
Night
91°
Feels Like 90°
0
Humidity: 28%
UV Index: 0
Wind: 6 mph
10 PM
Night
90°
Feels Like 88°
0
Humidity: 31%
UV Index: 0
Wind: 6 mph
11 PM
Night
88°
Feels Like 84°
0
Humidity: 33%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
20 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 21.87 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 AM
22 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 4.67 µg/m³
  • PM10: 23.4 µg/m³
  • O3: 0.017 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 AM
23 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 4.82 µg/m³
  • PM10: 24.94 µg/m³
  • O3: 0.016 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
24 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 4.88 µg/m³
  • PM10: 26.06 µg/m³
  • O3: 0.016 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 27.15 µg/m³
  • O3: 0.017 ppm
  • NO2: 0.8 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
26 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 5.09 µg/m³
  • PM10: 28.43 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 AM
28 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 30 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.6 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
28 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 5.43 µg/m³
  • PM10: 29.93 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.5 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
28 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 5.53 µg/m³
  • PM10: 29.86 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.3 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
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.04 µg/m³
  • PM10: 15.46 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.05 µg/m³
  • PM10: 9.76 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 8.89 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.92 µg/m³
  • PM10: 9.3 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 10.15 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 11.04 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.39 µg/m³
  • PM10: 12.25 µg/m³
  • O3: 0.033 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.

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

Pollutant Concentrations:

  • PM2.5: 2.7 µg/m³
  • PM10: 13.66 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.08 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 15.13 µg/m³
  • O3: 0.029 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 16.27 µg/m³
  • O3: 0.027 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.

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

Pollutant Concentrations:

  • PM2.5: 3.48 µg/m³
  • PM10: 17.57 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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