Castellon De La Plana, Valencia, Spain Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Castellon De La Plana, Valencia, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Castellon De La Plana, Valencia, Spain
7 AM4th Oct 2025
8 PM
6 AM5th Oct 2025
75AQI
53AQI
68AQI
49AQI
In the last 24 hours,
Castellon De La Plana's AQI reached its highest point of 75 at 8 AM during the Day, while the lowest point, 49, was recorded at 1 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Castellon De La Plana, Valencia, Spain
17°C15/21°C
20°C15/26°C
23°C16/32°C
21°C17/26°C
17°C13/20°C
19°C14/25°C
20°C14/27°C
19°C16/25°C
20°C16/28°C
21°C17/27°C
22°C17/29°C
20°C16/27°C
23°C17/29°C
23°C19/29°C
21°C17/28°C
20°C16/26°C
18°C11/24°C
12°C8/18°C
11°C8/16°C
11°C7/17°C
12°C7/18°C
14°C8/22°C
17°C12/24°C
18°C14/23°C
13°C13/14°C
15°C13/18°C
16°C12/21°C
16°C11/21°C
18°C14/23°C
19°C14/25°C
--°C/°C
37AQI
31AQI
34AQI
33AQI
2025 Days Vs Air Quality
Castellon De La Plana, Valencia, Spain
88%
244
12%
33
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 278 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
Castellon De La Plana, Valencia, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
33AQI
31AQI
34AQI
36AQI
29AQI
27AQI
24AQI
24AQI
25AQI
28AQI
31AQI
32AQI
35AQI
46AQI
41AQI
28AQI
32AQI
37AQI
45AQI
52AQI
56AQI
36AQI
34AQI
31AQI
26AQI
21AQI
30AQI
25AQI
25AQI
29AQI
26AQI
30AQI
39AQI
38AQI
34AQI
45AQI
59AQI
32AQI
29AQI
39AQI
38AQI
48AQI
33AQI
32AQI
37AQI
52AQI
56AQI
53AQI
54AQI
51AQI
52AQI
49AQI
32AQI
32AQI
35AQI
29AQI
32AQI
42AQI
32AQI
29AQI
38AQI
39AQI
35AQI
39AQI
30AQI
37AQI
32AQI
29AQI
27AQI
26AQI
29AQI
22AQI
23AQI
23AQI
23AQI
24AQI
24AQI
42AQI
37AQI
18AQI
16AQI
19AQI
28AQI
29AQI
31AQI
30AQI
24AQI
18AQI
28AQI
31AQI
32AQI
27AQI
27AQI
35AQI
17AQI
21AQI
35AQI
47AQI
40AQI
35AQI
46AQI
51AQI
43AQI
29AQI
16AQI
18AQI
22AQI
25AQI
15AQI
16AQI
23AQI
19AQI
24AQI
32AQI
28AQI
18AQI
16AQI
22AQI
18AQI
28AQI
40AQI
48AQI
32AQI
21AQI
18AQI
22AQI
27AQI
32AQI
27AQI
26AQI
23AQI
28AQI
29AQI
26AQI
25AQI
29AQI
33AQI
30AQI
24AQI
26AQI
23AQI
21AQI
22AQI
27AQI
28AQI
28AQI
31AQI
30AQI
32AQI
33AQI
30AQI
26AQI
27AQI
37AQI
41AQI
46AQI
41AQI
39AQI
44AQI
48AQI
52AQI
55AQI
60AQI
61AQI
57AQI
46AQI
48AQI
48AQI
50AQI
50AQI
47AQI
43AQI
47AQI
52AQI
48AQI
47AQI
49AQI
49AQI
47AQI
47AQI
46AQI
46AQI
44AQI
42AQI
44AQI
36AQI
32AQI
32AQI
34AQI
36AQI
40AQI
37AQI
33AQI
36AQI
36AQI
38AQI
38AQI
39AQI
39AQI
40AQI
35AQI
34AQI
36AQI
28AQI
26AQI
27AQI
28AQI
28AQI
28AQI
27AQI
34AQI
39AQI
37AQI
35AQI
37AQI
40AQI
43AQI
43AQI
46AQI
49AQI
52AQI
55AQI
57AQI
57AQI
56AQI
55AQI
56AQI
59AQI
63AQI
60AQI
58AQI
52AQI
41AQI
42AQI
42AQI
47AQI
54AQI
55AQI
54AQI
49AQI
34AQI
32AQI
28AQI
24AQI
25AQI
28AQI
32AQI
32AQI
36AQI
43AQI
39AQI
33AQI
28AQI
30AQI
31AQI
32AQI
32AQI
33AQI
33AQI
35AQI
38AQI
36AQI
36AQI
25AQI
20AQI
19AQI
28AQI
31AQI
27AQI
23AQI
22AQI
30AQI
44AQI
48AQI
54AQI
59AQI
33AQI
40AQI
28AQI
28AQI
28AQI
46AQI
35AQI
48AQI
30AQI
51AQI
No. of days
202535AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
April28AQI
202433AQI
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
June30AQI
202333AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
January25AQI
202232AQI
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
November25AQI
202133AQI
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
January24AQI
202030AQI
Highest AQI recorded in
November39AQI
Lowest AQI recorded in
December23AQI
Most & Least Polluted Years Over the Last 6 Years
Castellon De La Plana's annual 2025 AQI (35) shows an average percentage change of 10.2% (worsened AQI) compared to previous years: 2020 (30), 2021 (33), 2022 (32), 2023 (33), 2024 (33).