Ctlr Okay, Leon, Castille Leon, Spain 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
Ctlr Okay, Leon, Castille Leon, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Ctlr Okay, Leon, Castille Leon, Spain
7 AM8th Aug 2025
9 PM
6 AM9th Aug 2025
56AQI
44AQI
51AQI
42AQI
In the last 24 hours,
Ctlr Okay's AQI reached its highest point of 56 at 8 PM during the Day, while the lowest point, 42, was recorded at 6 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ctlr Okay, Leon, Castille Leon, Spain
24°C17/32°C
22°C16/29°C
20°C14/27°C
20°C14/27°C
20°C13/30°C
21°C11/31°C
24°C16/34°C
24°C17/33°C
19°C14/28°C
18°C11/26°C
18°C12/24°C
17°C8/27°C
19°C10/29°C
18°C12/26°C
15°C8/24°C
17°C8/27°C
19°C10/29°C
21°C12/31°C
19°C12/28°C
18°C10/29°C
19°C10/30°C
20°C12/31°C
21°C13/31°C
21°C12/32°C
23°C14/33°C
26°C17/36°C
25°C17/34°C
24°C15/34°C
26°C17/37°C
26°C18/37°C
--°C/°C
30AQI
30AQI
30AQI
29AQI
2025 Days Vs Air Quality
Ctlr Okay, Leon, Castille Leon, Spain
96%
211
4%
9
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 221 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Ctlr Okay, Leon, Castille Leon, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
67AQI
64AQI
67AQI
60AQI
31AQI
26AQI
27AQI
42AQI
30AQI
33AQI
30AQI
29AQI
33AQI
46AQI
49AQI
47AQI
42AQI
41AQI
49AQI
46AQI
59AQI
32AQI
29AQI
31AQI
26AQI
30AQI
28AQI
28AQI
26AQI
35AQI
43AQI
39AQI
34AQI
30AQI
31AQI
48AQI
49AQI
48AQI
31AQI
39AQI
46AQI
41AQI
35AQI
29AQI
27AQI
18AQI
36AQI
23AQI
29AQI
39AQI
37AQI
24AQI
17AQI
22AQI
24AQI
27AQI
28AQI
22AQI
19AQI
21AQI
25AQI
21AQI
31AQI
29AQI
20AQI
21AQI
19AQI
20AQI
20AQI
17AQI
17AQI
20AQI
24AQI
24AQI
22AQI
28AQI
30AQI
42AQI
33AQI
23AQI
21AQI
18AQI
20AQI
23AQI
27AQI
29AQI
30AQI
21AQI
20AQI
25AQI
26AQI
43AQI
20AQI
23AQI
17AQI
17AQI
26AQI
33AQI
26AQI
34AQI
35AQI
29AQI
21AQI
20AQI
12AQI
13AQI
15AQI
16AQI
11AQI
14AQI
15AQI
18AQI
17AQI
18AQI
21AQI
14AQI
15AQI
17AQI
20AQI
20AQI
18AQI
23AQI
23AQI
21AQI
22AQI
18AQI
20AQI
21AQI
20AQI
16AQI
20AQI
20AQI
16AQI
21AQI
18AQI
18AQI
21AQI
24AQI
17AQI
18AQI
23AQI
15AQI
17AQI
18AQI
19AQI
18AQI
21AQI
22AQI
26AQI
36AQI
39AQI
39AQI
18AQI
23AQI
20AQI
18AQI
18AQI
17AQI
44AQI
56AQI
54AQI
44AQI
48AQI
36AQI
28AQI
27AQI
29AQI
39AQI
45AQI
49AQI
47AQI
48AQI
47AQI
46AQI
44AQI
38AQI
33AQI
32AQI
34AQI
34AQI
36AQI
37AQI
39AQI
30AQI
32AQI
31AQI
29AQI
23AQI
21AQI
22AQI
26AQI
32AQI
29AQI
31AQI
32AQI
31AQI
33AQI
34AQI
29AQI
23AQI
23AQI
19AQI
19AQI
23AQI
19AQI
20AQI
27AQI
27AQI
27AQI
22AQI
21AQI
20AQI
32AQI
30AQI
33AQI
37AQI
44AQI
40AQI
51AQI
51AQI
40AQI
32AQI
24AQI
21AQI
21AQI
36AQI
27AQI
40AQI
No. of days
202529AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
April21AQI
202428AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
March1AQI
202319AQI
Highest AQI recorded in
December20AQI
Lowest AQI recorded in
November11AQI
202126AQI
Highest AQI recorded in
January26AQI
Lowest AQI recorded in
January26AQI
202029AQI
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
November18AQI
Most & Least Polluted Years Over the Last 5 Years
Ctlr Okay's annual 2025 AQI (29) shows an average percentage change of 15.3% (worsened AQI) compared to previous years: 2020 (29), 2021 (26), 2023 (19), 2024 (28).