Palencia Iii, Valladolid, Castille Leon, 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
Palencia Iii, Valladolid, Castille Leon, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Palencia Iii, Valladolid, Castille Leon, Spain
8 AM17th Oct 2025
7 PM
7 AM18th Oct 2025
72AQI
48AQI
79AQI
53AQI
In the last 24 hours,
Palencia Iii's AQI reached its highest point of 79 at 1 AM during the Night, while the lowest point, 48, was recorded at 1 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Palencia Iii, Valladolid, Castille Leon, Spain
25°C18/34°C
24°C18/33°C
22°C16/29°C
15°C9/19°C
12°C8/17°C
12°C8/18°C
11°C6/18°C
13°C7/19°C
16°C10/23°C
18°C12/25°C
18°C13/25°C
15°C10/21°C
16°C9/23°C
17°C10/24°C
18°C11/26°C
20°C15/25°C
18°C12/26°C
13°C9/19°C
14°C6/24°C
19°C14/25°C
18°C15/23°C
16°C12/21°C
14°C9/22°C
16°C10/24°C
17°C11/23°C
18°C13/24°C
18°C12/24°C
17°C12/23°C
17°C12/24°C
17°C11/24°C
--°C/°C
51AQI
42AQI
50AQI
40AQI
2025 Days Vs Air Quality
Palencia Iii, Valladolid, Castille Leon, Spain
79%
229
21%
60
0.3%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 291 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
Palencia Iii, Valladolid, Castille Leon, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
164AQI
71AQI
46AQI
38AQI
37AQI
29AQI
27AQI
30AQI
30AQI
31AQI
24AQI
26AQI
32AQI
39AQI
55AQI
53AQI
37AQI
35AQI
39AQI
31AQI
35AQI
29AQI
27AQI
29AQI
28AQI
27AQI
28AQI
30AQI
29AQI
28AQI
28AQI
41AQI
44AQI
33AQI
50AQI
49AQI
58AQI
61AQI
73AQI
73AQI
75AQI
76AQI
69AQI
69AQI
62AQI
62AQI
49AQI
41AQI
53AQI
58AQI
50AQI
51AQI
34AQI
32AQI
41AQI
30AQI
29AQI
40AQI
40AQI
32AQI
26AQI
24AQI
35AQI
42AQI
33AQI
31AQI
30AQI
29AQI
25AQI
26AQI
31AQI
25AQI
24AQI
30AQI
28AQI
27AQI
22AQI
25AQI
28AQI
18AQI
18AQI
20AQI
25AQI
25AQI
25AQI
30AQI
32AQI
34AQI
24AQI
27AQI
36AQI
45AQI
25AQI
33AQI
20AQI
26AQI
31AQI
43AQI
40AQI
47AQI
47AQI
40AQI
22AQI
24AQI
14AQI
15AQI
17AQI
17AQI
16AQI
15AQI
21AQI
22AQI
28AQI
28AQI
31AQI
22AQI
20AQI
30AQI
20AQI
26AQI
27AQI
30AQI
28AQI
28AQI
30AQI
22AQI
26AQI
32AQI
37AQI
25AQI
23AQI
26AQI
19AQI
22AQI
24AQI
26AQI
35AQI
36AQI
29AQI
25AQI
31AQI
23AQI
24AQI
31AQI
32AQI
30AQI
28AQI
34AQI
41AQI
48AQI
51AQI
55AQI
30AQI
37AQI
34AQI
30AQI
27AQI
25AQI
45AQI
56AQI
57AQI
49AQI
57AQI
51AQI
42AQI
37AQI
40AQI
51AQI
56AQI
56AQI
56AQI
58AQI
61AQI
58AQI
57AQI
53AQI
44AQI
46AQI
49AQI
49AQI
50AQI
52AQI
54AQI
46AQI
48AQI
46AQI
46AQI
34AQI
28AQI
36AQI
44AQI
49AQI
40AQI
38AQI
42AQI
35AQI
43AQI
51AQI
44AQI
32AQI
34AQI
27AQI
41AQI
49AQI
34AQI
33AQI
38AQI
42AQI
34AQI
29AQI
26AQI
30AQI
40AQI
42AQI
37AQI
41AQI
49AQI
46AQI
56AQI
62AQI
64AQI
60AQI
61AQI
63AQI
60AQI
59AQI
61AQI
64AQI
65AQI
77AQI
68AQI
55AQI
50AQI
39AQI
37AQI
45AQI
51AQI
55AQI
58AQI
45AQI
42AQI
26AQI
23AQI
22AQI
21AQI
26AQI
29AQI
28AQI
32AQI
36AQI
37AQI
27AQI
23AQI
22AQI
21AQI
25AQI
26AQI
30AQI
29AQI
34AQI
48AQI
54AQI
54AQI
42AQI
28AQI
24AQI
23AQI
31AQI
37AQI
35AQI
34AQI
35AQI
45AQI
47AQI
43AQI
47AQI
48AQI
48AQI
40AQI
56AQI
59AQI
50AQI
50AQI
54AQI
38AQI
47AQI
54AQI
56AQI
54AQI
59AQI
38AQI
52AQI
27AQI
27AQI
30AQI
47AQI
40AQI
52AQI
32AQI
50AQI
No. of days
202539AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
April27AQI
202435AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
May31AQI
202336AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
November28AQI
202241AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
December31AQI
202152AQI
Highest AQI recorded in
July61AQI
Lowest AQI recorded in
December34AQI
202048AQI
Highest AQI recorded in
November92AQI
Lowest AQI recorded in
April32AQI
Most & Least Polluted Years Over the Last 6 Years
Palencia Iii's annual 2025 AQI (39) shows an average percentage change of -6.1% (improved AQI) compared to previous years: 2020 (48), 2021 (52), 2022 (41), 2023 (36), 2024 (35).