Hourly Weather | Today Friday, August 21, 2026
McAllen, Texas
1 AM
Night
82°
Feels Like 90°
0
Humidity: 78%
UV Index: 0
Wind: 10 mph
2 AM
Night
82°
Feels Like 90°
0
Humidity: 81%
UV Index: 0
Wind: 9 mph
3 AM
Cloudy Night
81°
Feels Like 90°
0
Humidity: 83%
UV Index: 0
Wind: 9 mph
4 AM
Night
81°
Feels Like 90°
0
Humidity: 85%
UV Index: 0
Wind: 8 mph
5 AM
Night
81°
Feels Like 90°
0
Humidity: 87%
UV Index: 0
Wind: 8 mph
6 AM
Night
81°
Feels Like 90°
0
Humidity: 88%
UV Index: 0
Wind: 7 mph
7 AM
Night
79°
Feels Like 90°
0
Humidity: 91%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
81°
Feels Like 91°
0
Humidity: 88%
UV Index: 2
Wind: 8 mph
9 AM
Cloudy Weather
82°
Feels Like 95°
0
Humidity: 80%
UV Index: 3
Wind: 9 mph
10 AM
Cloudy Weather
88°
Feels Like 99°
0
Humidity: 69%
UV Index: 4
Wind: 10 mph
11 AM
Cloudy Weather
91°
Feels Like 102°
0
Humidity: 56%
UV Index: 7
Wind: 10 mph
12 PM
Cloudy Weather
97°
Feels Like 106°
0
Humidity: 45%
UV Index: 10
Wind: 10 mph
1 PM
Cloudy Weather
99°
Feels Like 108°
0
Humidity: 38%
UV Index: 11
Wind: 10 mph
2 PM
Cloudy Weather
100°
Feels Like 108°
0
Humidity: 32%
UV Index: 10
Wind: 10 mph
3 PM
Cloudy Weather
102°
Feels Like 106°
0
Humidity: 27%
UV Index: 7
Wind: 12 mph
4 PM
Cloudy Weather
102°
Feels Like 104°
0
Humidity: 26%
UV Index: 4
Wind: 13 mph
5 PM
Cloudy Weather
102°
Feels Like 100°
0
Humidity: 26%
UV Index: 3
Wind: 14 mph
6 PM
Cloudy Weather
100°
Feels Like 99°
0
Humidity: 29%
UV Index: 2
Wind: 15 mph
7 PM
Cloudy Weather
97°
Feels Like 95°
0
Humidity: 35%
UV Index: 0
Wind: 16 mph
8 PM
Sunny Weather
93°
Feels Like 91°
0
Humidity: 43%
UV Index: 0
Wind: 16 mph
9 PM
Night
90°
Feels Like 90°
0
Humidity: 52%
UV Index: 0
Wind: 15 mph
10 PM
Night
88°
Feels Like 90°
0
Humidity: 61%
UV Index: 0
Wind: 14 mph
11 PM
Night
84°
Feels Like 90°
0
Humidity: 70%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.99 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 6.15 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

3 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 6.16 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.11 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 5.91 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.88 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.81 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.019 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 6.18 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.57 µg/m³
  • PM10: 6.08 µg/m³
  • O3: 0.019 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.85 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 4.19 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.31 µg/m³
  • PM10: 2.95 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 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: 2.02 µg/m³
  • PM10: 2.62 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 2.72 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.031 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.

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.032 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.

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

Pollutant Concentrations:

  • PM2.5: 2.37 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.031 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.

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.030 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.

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.028 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.

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

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 5.17 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.4 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
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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