Lexington, Kentucky, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Lexington, Kentucky, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 33 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Lexington, Kentucky, United States
6 AM4th Aug 2025
8 PM
5 AM5th Aug 2025
41AQI
38AQI
40AQI
37AQI
In the last 24 hours,
Lexington's AQI reached its highest point of 41 at 2 PM during the Day, while the lowest point, 37, was recorded at 5 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lexington, Kentucky, United States
27°C19/33°C
26°C22/31°C
25°C21/31°C
23°C21/27°C
25°C19/31°C
26°C19/31°C
26°C21/31°C
25°C20/30°C
24°C20/27°C
25°C22/28°C
26°C22/31°C
27°C22/35°C
25°C21/32°C
25°C22/28°C
26°C22/34°C
25°C22/28°C
24°C17/32°C
27°C19/34°C
28°C22/35°C
28°C22/34°C
27°C22/33°C
29°C23/35°C
27°C23/31°C
26°C21/33°C
27°C20/34°C
26°C22/33°C
21°C18/28°C
22°C14/29°C
20°C16/24°C
23°C19/27°C
--°C/°C
40AQI
38AQI
40AQI
37AQI
2025 Days Vs Air Quality
Lexington, Kentucky, United States
89%
192
11%
24
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Lexington, Kentucky, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
24AQI
25AQI
23AQI
24AQI
22AQI
26AQI
39AQI
65AQI
56AQI
48AQI
39AQI
29AQI
26AQI
48AQI
42AQI
42AQI
28AQI
23AQI
23AQI
28AQI
31AQI
33AQI
46AQI
51AQI
50AQI
39AQI
28AQI
28AQI
30AQI
25AQI
23AQI
27AQI
30AQI
41AQI
34AQI
28AQI
27AQI
24AQI
34AQI
39AQI
27AQI
25AQI
37AQI
36AQI
25AQI
24AQI
25AQI
26AQI
28AQI
28AQI
43AQI
44AQI
46AQI
35AQI
32AQI
35AQI
35AQI
28AQI
28AQI
26AQI
32AQI
33AQI
26AQI
27AQI
28AQI
33AQI
41AQI
39AQI
44AQI
45AQI
55AQI
45AQI
30AQI
28AQI
24AQI
23AQI
32AQI
24AQI
21AQI
20AQI
28AQI
21AQI
19AQI
30AQI
33AQI
48AQI
57AQI
39AQI
20AQI
25AQI
29AQI
22AQI
18AQI
17AQI
13AQI
21AQI
17AQI
22AQI
28AQI
41AQI
44AQI
38AQI
41AQI
21AQI
26AQI
31AQI
48AQI
51AQI
39AQI
38AQI
22AQI
26AQI
31AQI
32AQI
36AQI
21AQI
24AQI
42AQI
33AQI
41AQI
30AQI
18AQI
18AQI
15AQI
23AQI
28AQI
28AQI
29AQI
25AQI
29AQI
20AQI
19AQI
25AQI
40AQI
42AQI
28AQI
21AQI
28AQI
26AQI
21AQI
17AQI
17AQI
23AQI
24AQI
21AQI
17AQI
19AQI
32AQI
25AQI
43AQI
34AQI
40AQI
51AQI
71AQI
58AQI
43AQI
30AQI
37AQI
51AQI
47AQI
61AQI
65AQI
53AQI
29AQI
26AQI
29AQI
23AQI
27AQI
24AQI
35AQI
37AQI
40AQI
50AQI
53AQI
54AQI
53AQI
42AQI
33AQI
33AQI
31AQI
30AQI
31AQI
44AQI
55AQI
87AQI
60AQI
52AQI
39AQI
52AQI
40AQI
41AQI
42AQI
36AQI
30AQI
33AQI
31AQI
31AQI
25AQI
26AQI
32AQI
33AQI
50AQI
59AQI
51AQI
46AQI
29AQI
22AQI
24AQI
28AQI
31AQI
42AQI
58AQI
50AQI
32AQI
33AQI
34AQI
32AQI
32AQI
30AQI
26AQI
42AQI
40AQI
43AQI
No. of days
202534AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May26AQI
202432AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
January24AQI
202338AQI
Highest AQI recorded in
June64AQI
Lowest AQI recorded in
December26AQI
202236AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
December31AQI
202139AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
December29AQI
202035AQI
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 6 Years
Lexington's annual 2025 AQI (34) shows an average percentage change of -5.7% (improved AQI) compared to previous years: 2020 (35), 2021 (39), 2022 (36), 2023 (38), 2024 (32).