Highland Heights, Kentucky, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Highland Heights, Kentucky, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Highland Heights, Kentucky, United States
7 AM29th Sep 2025
7 PM
6 AM30th Sep 2025
69AQI
37AQI
60AQI
47AQI
In the last 24 hours,
Highland Heights's AQI reached its highest point of 69 at 9 AM during the Day, while the lowest point, 37, was recorded at 3 PM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Highland Heights, Kentucky, United States
20°C11/28°C
20°C11/30°C
23°C13/32°C
23°C14/30°C
21°C18/26°C
21°C11/29°C
20°C17/25°C
17°C10/22°C
18°C9/26°C
19°C11/28°C
21°C12/30°C
23°C13/32°C
23°C14/32°C
23°C13/33°C
25°C18/33°C
25°C15/34°C
25°C17/34°C
24°C16/33°C
25°C16/34°C
25°C16/31°C
26°C18/34°C
24°C18/33°C
22°C19/30°C
22°C20/28°C
22°C20/24°C
21°C19/24°C
20°C15/28°C
21°C14/30°C
23°C14/33°C
23°C14/33°C
--°C/°C
41AQI
41AQI
41AQI
41AQI
2025 Days Vs Air Quality
Highland Heights, Kentucky, United States
89%
241
11%
31
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 273 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
Highland Heights, Kentucky, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
23AQI
22AQI
22AQI
25AQI
22AQI
25AQI
34AQI
55AQI
55AQI
43AQI
39AQI
27AQI
27AQI
40AQI
40AQI
38AQI
25AQI
19AQI
22AQI
27AQI
35AQI
33AQI
37AQI
40AQI
31AQI
26AQI
24AQI
23AQI
25AQI
22AQI
21AQI
26AQI
28AQI
33AQI
32AQI
25AQI
23AQI
23AQI
35AQI
37AQI
33AQI
37AQI
33AQI
32AQI
23AQI
22AQI
23AQI
26AQI
27AQI
25AQI
33AQI
41AQI
39AQI
32AQI
30AQI
33AQI
33AQI
28AQI
27AQI
24AQI
30AQI
32AQI
25AQI
25AQI
25AQI
32AQI
33AQI
33AQI
39AQI
37AQI
47AQI
44AQI
28AQI
22AQI
21AQI
22AQI
29AQI
23AQI
20AQI
19AQI
25AQI
18AQI
19AQI
33AQI
26AQI
35AQI
55AQI
35AQI
18AQI
20AQI
24AQI
23AQI
18AQI
15AQI
15AQI
23AQI
16AQI
21AQI
26AQI
42AQI
41AQI
32AQI
41AQI
20AQI
25AQI
24AQI
42AQI
41AQI
32AQI
35AQI
21AQI
24AQI
29AQI
25AQI
27AQI
17AQI
21AQI
37AQI
24AQI
31AQI
29AQI
20AQI
17AQI
15AQI
19AQI
26AQI
28AQI
27AQI
27AQI
34AQI
24AQI
18AQI
24AQI
37AQI
48AQI
25AQI
18AQI
23AQI
24AQI
21AQI
13AQI
16AQI
17AQI
22AQI
19AQI
17AQI
18AQI
27AQI
30AQI
43AQI
29AQI
40AQI
46AQI
68AQI
58AQI
43AQI
36AQI
40AQI
52AQI
48AQI
56AQI
62AQI
62AQI
37AQI
31AQI
33AQI
33AQI
32AQI
24AQI
33AQI
37AQI
41AQI
55AQI
54AQI
54AQI
49AQI
39AQI
37AQI
38AQI
32AQI
27AQI
35AQI
46AQI
57AQI
98AQI
62AQI
54AQI
45AQI
53AQI
41AQI
40AQI
44AQI
42AQI
41AQI
43AQI
32AQI
27AQI
25AQI
27AQI
28AQI
30AQI
60AQI
60AQI
52AQI
47AQI
37AQI
23AQI
24AQI
30AQI
34AQI
39AQI
68AQI
49AQI
35AQI
35AQI
38AQI
29AQI
34AQI
35AQI
40AQI
44AQI
49AQI
39AQI
29AQI
47AQI
55AQI
54AQI
45AQI
34AQI
36AQI
28AQI
20AQI
27AQI
41AQI
33AQI
24AQI
23AQI
28AQI
31AQI
30AQI
24AQI
29AQI
30AQI
29AQI
34AQI
34AQI
53AQI
32AQI
29AQI
24AQI
25AQI
32AQI
47AQI
44AQI
51AQI
52AQI
49AQI
48AQI
52AQI
57AQI
58AQI
59AQI
47AQI
40AQI
38AQI
35AQI
26AQI
33AQI
33AQI
39AQI
55AQI
31AQI
30AQI
29AQI
27AQI
24AQI
43AQI
42AQI
37AQI
41AQI
No. of days
202534AQI
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
May24AQI
202431AQI
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
January25AQI
202339AQI
Highest AQI recorded in
June71AQI
Lowest AQI recorded in
October27AQI
202235AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
September30AQI
202137AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
October30AQI
202036AQI
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 6 Years
Highland Heights's annual 2025 AQI (34) shows an average percentage change of -5.02% (improved AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (35), 2023 (39), 2024 (31).