Hourly Weather | Today Tuesday, July 21, 2026
Lexington, Kentucky
5 AM
Cloudy Night
75°
Feels Like 81°
30
Humidity: 94%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
73°
Feels Like 79°
30
Humidity: 96%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
73°
Feels Like 81°
36
Humidity: 98%
UV Index: 1
Wind: 8 mph
8 AM
Cloudy Weather
75°
Feels Like 82°
47
Humidity: 93%
UV Index: 1
Wind: 9 mph
9 AM
Cloudy Weather
79°
Feels Like 84°
49
Humidity: 86%
UV Index: 1
Wind: 10 mph
10 AM
Stormy Weather
81°
Feels Like 82°
55
Humidity: 80%
UV Index: 1
Wind: 12 mph
11 AM
Stormy Weather
81°
Feels Like 84°
65
Humidity: 89%
UV Index: 1
Wind: 12 mph
12 PM
Cloudy Weather
82°
Feels Like 91°
49
Humidity: 76%
UV Index: 3
Wind: 12 mph
1 PM
Cloudy Weather
84°
Feels Like 93°
44
Humidity: 73%
UV Index: 4
Wind: 12 mph
2 PM
Cloudy Weather
86°
Feels Like 95°
34
Humidity: 68%
UV Index: 3
Wind: 12 mph
3 PM
Cloudy Weather
84°
Feels Like 91°
34
Humidity: 70%
UV Index: 2
Wind: 13 mph
4 PM
Cloudy Weather
84°
Feels Like 90°
39
Humidity: 72%
UV Index: 1
Wind: 13 mph
5 PM
Cloudy Weather
82°
Feels Like 88°
49
Humidity: 75%
UV Index: 1
Wind: 14 mph
6 PM
Stormy Weather
81°
Feels Like 82°
70
Humidity: 84%
UV Index: 0
Wind: 13 mph
7 PM
Stormy Weather
79°
Feels Like 81°
70
Humidity: 83%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
79°
Feels Like 84°
46
Humidity: 83%
UV Index: 0
Wind: 9 mph
9 PM
Stormy Weather
79°
Feels Like 81°
54
Humidity: 85%
UV Index: 0
Wind: 8 mph
10 PM
Stormy Weather
77°
Feels Like 81°
46
Humidity: 88%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
75°
Feels Like 81°
40
Humidity: 90%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.48 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.015 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.

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

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.016 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.

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

Pollutant Concentrations:

  • PM2.5: 3.99 µg/m³
  • PM10: 4.44 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.85 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.019 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.87 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.1 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
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.1 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
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.25 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.023 ppm
  • NO2: 1 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: 4.55 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.9 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 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.98 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.6 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 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.49 µg/m³
  • PM10: 4.69 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.78 µg/m³
  • PM10: 3.93 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 3.38 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 2.93 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 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: 2.66 µg/m³
  • PM10: 2.78 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 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: 2.52 µg/m³
  • PM10: 2.65 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 2.46 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 2.32 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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