Hourly Weather | Today › Friday, October 23, 2026
Brownsville, Texas
3 AM
Night
72°
Feels Like 72°
0
Humidity: 83%
UV Index: 0
Wind: 5 mph
4 AM
Night
70°
Feels Like 72°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
5 AM
Night
70°
Feels Like 70°
0
Humidity: 86%
UV Index: 0
Wind: 5 mph
6 AM
Night
68°
Feels Like 68°
0
Humidity: 91%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Night
70°
Feels Like 70°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
8 AM
Sunny Weather
70°
Feels Like 72°
0
Humidity: 84%
UV Index: 1
Wind: 5 mph
9 AM
Sunny Weather
75°
Feels Like 79°
0
Humidity: 73%
UV Index: 2
Wind: 6 mph
10 AM
Sunny Weather
79°
Feels Like 84°
0
Humidity: 65%
UV Index: 3
Wind: 7 mph
11 AM
Sunny Weather
82°
Feels Like 88°
0
Humidity: 58%
UV Index: 4
Wind: 8 mph
12 PM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 52%
UV Index: 5
Wind: 9 mph
1 PM
Cloudy Weather
88°
Feels Like 91°
0
Humidity: 47%
UV Index: 5
Wind: 10 mph
2 PM
Cloudy Weather
90°
Feels Like 91°
0
Humidity: 44%
UV Index: 5
Wind: 12 mph
3 PM
Cloudy Weather
88°
Feels Like 90°
0
Humidity: 46%
UV Index: 4
Wind: 13 mph
4 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 47%
UV Index: 3
Wind: 13 mph
5 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 49%
UV Index: 2
Wind: 13 mph
6 PM
Sunny Weather
84°
Feels Like 82°
0
Humidity: 54%
UV Index: 1
Wind: 12 mph
7 PM
Night
81°
Feels Like 81°
0
Humidity: 59%
UV Index: 0
Wind: 9 mph
8 PM
Night
79°
Feels Like 79°
0
Humidity: 65%
UV Index: 0
Wind: 8 mph
9 PM
Night
77°
Feels Like 77°
0
Humidity: 71%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
75°
Feels Like 77°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
75°
Feels Like 75°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.83 µg/m³
  • PM10: 6.82 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.98 µg/m³
  • PM10: 7.19 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 7.55 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.31 µg/m³
  • PM10: 7.78 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 7.91 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 8.47 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.88 µg/m³
  • PM10: 9.06 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.89 µg/m³
  • PM10: 9.51 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.48 µg/m³
  • PM10: 9.07 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.14 µg/m³
  • PM10: 8.3 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.83 µg/m³
  • PM10: 7.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 6.92 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.23 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.1 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 6.18 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 6.75 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 7.41 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 3.58 µg/m³
  • PM10: 8.07 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 3.73 µg/m³
  • PM10: 8.68 µg/m³
  • O3: 0.044 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 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 9.13 µg/m³
  • O3: 0.044 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.

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

Pollutant Concentrations:

  • PM2.5: 3.91 µg/m³
  • PM10: 9.39 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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