Collado Villalba, Madrid, Madrid, 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
Collado Villalba, Madrid, Madrid, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (14th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 57 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Aug - 15th Aug 2025
Collado Villalba, Madrid, Madrid, Spain
7 AM14th Aug 2025
9 PM
6 AM15th Aug 2025
59AQI
48AQI
60AQI
56AQI
In the last 24 hours,
Collado Villalba's AQI reached its highest point of 60 at 4 AM during the Night, while the lowest point, 48, was recorded at 8 AM during the Day between 14th Aug and 15th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Collado Villalba, Madrid, Madrid, Spain
26°C18/31°C
27°C19/32°C
23°C15/27°C
18°C11/23°C
17°C11/21°C
18°C7/24°C
22°C14/27°C
20°C15/24°C
17°C10/23°C
17°C9/24°C
20°C12/26°C
21°C14/27°C
21°C15/27°C
18°C9/26°C
21°C13/26°C
22°C15/28°C
23°C16/28°C
22°C16/27°C
25°C17/30°C
26°C17/31°C
27°C20/32°C
26°C18/30°C
26°C19/31°C
26°C19/31°C
26°C20/31°C
26°C20/30°C
26°C20/32°C
25°C21/31°C
23°C16/29°C
25°C19/30°C
--°C/°C
38AQI
38AQI
39AQI
38AQI
2025 Days Vs Air Quality
Collado Villalba, Madrid, Madrid, Spain
83%
188
17%
38
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 227 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
Collado Villalba, Madrid, Madrid, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
67AQI
55AQI
53AQI
58AQI
53AQI
31AQI
27AQI
31AQI
24AQI
27AQI
25AQI
27AQI
34AQI
43AQI
55AQI
49AQI
31AQI
49AQI
50AQI
54AQI
49AQI
29AQI
30AQI
40AQI
25AQI
29AQI
24AQI
30AQI
25AQI
28AQI
28AQI
36AQI
34AQI
29AQI
31AQI
42AQI
51AQI
58AQI
33AQI
45AQI
54AQI
51AQI
32AQI
27AQI
45AQI
31AQI
48AQI
38AQI
51AQI
56AQI
48AQI
52AQI
33AQI
26AQI
42AQI
27AQI
31AQI
29AQI
37AQI
29AQI
33AQI
26AQI
30AQI
29AQI
28AQI
36AQI
29AQI
31AQI
27AQI
27AQI
25AQI
25AQI
25AQI
33AQI
28AQI
27AQI
21AQI
31AQI
29AQI
23AQI
19AQI
19AQI
22AQI
27AQI
26AQI
29AQI
27AQI
28AQI
24AQI
35AQI
33AQI
36AQI
22AQI
33AQI
23AQI
25AQI
22AQI
32AQI
31AQI
40AQI
38AQI
36AQI
28AQI
24AQI
16AQI
16AQI
17AQI
16AQI
15AQI
14AQI
15AQI
17AQI
15AQI
25AQI
26AQI
24AQI
16AQI
17AQI
21AQI
26AQI
29AQI
31AQI
23AQI
20AQI
19AQI
18AQI
22AQI
25AQI
24AQI
24AQI
20AQI
23AQI
18AQI
21AQI
18AQI
21AQI
26AQI
24AQI
23AQI
18AQI
25AQI
20AQI
17AQI
20AQI
23AQI
25AQI
24AQI
28AQI
35AQI
44AQI
47AQI
47AQI
38AQI
45AQI
29AQI
22AQI
27AQI
23AQI
40AQI
54AQI
51AQI
48AQI
56AQI
55AQI
41AQI
45AQI
46AQI
55AQI
54AQI
42AQI
41AQI
54AQI
60AQI
57AQI
57AQI
56AQI
42AQI
48AQI
49AQI
51AQI
49AQI
52AQI
51AQI
38AQI
37AQI
35AQI
31AQI
29AQI
26AQI
30AQI
31AQI
34AQI
27AQI
28AQI
31AQI
30AQI
27AQI
39AQI
37AQI
30AQI
24AQI
22AQI
26AQI
25AQI
24AQI
22AQI
23AQI
27AQI
29AQI
23AQI
25AQI
28AQI
37AQI
41AQI
42AQI
42AQI
52AQI
52AQI
55AQI
53AQI
56AQI
54AQI
53AQI
60AQI
57AQI
57AQI
38AQI
40AQI
27AQI
24AQI
24AQI
46AQI
30AQI
51AQI
No. of days
202534AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
April24AQI
202440AQI
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
May24AQI
202346AQI
Highest AQI recorded in
February59AQI
Lowest AQI recorded in
March39AQI
202242AQI
Highest AQI recorded in
January54AQI
Lowest AQI recorded in
September32AQI
202144AQI
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
November35AQI
202045AQI
Highest AQI recorded in
July56AQI
Lowest AQI recorded in
April38AQI
Most & Least Polluted Years Over the Last 6 Years
Collado Villalba's annual 2025 AQI (34) shows an average percentage change of -22.04% (improved AQI) compared to previous years: 2020 (45), 2021 (44), 2022 (42), 2023 (46), 2024 (40).