Coia, Vigo, Galicia, 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
Coia, Vigo, Galicia, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Coia, Vigo, Galicia, Spain
7 AM9th Aug 2025
10 PM
6 AM10th Aug 2025
47AQI
37AQI
60AQI
41AQI
In the last 24 hours,
Coia's AQI reached its highest point of 60 at 3 AM during the Night, while the lowest point, 37, was recorded at 6 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Coia, Vigo, Galicia, Spain
17°C14/21°C
17°C14/20°C
17°C15/21°C
18°C14/21°C
19°C14/24°C
21°C17/24°C
18°C15/21°C
17°C14/21°C
18°C15/20°C
17°C15/19°C
17°C13/20°C
18°C14/21°C
18°C14/23°C
19°C13/26°C
20°C13/26°C
21°C14/27°C
20°C15/25°C
21°C16/28°C
22°C15/30°C
22°C15/30°C
22°C15/30°C
21°C14/28°C
22°C15/27°C
23°C17/29°C
24°C20/29°C
24°C18/32°C
21°C17/25°C
20°C16/23°C
21°C17/24°C
23°C18/28°C
--°C/°C
33AQI
33AQI
33AQI
33AQI
2025 Days Vs Air Quality
Coia, Vigo, Galicia, Spain
85%
187
15%
34
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 222 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
Coia, Vigo, Galicia, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
67AQI
49AQI
55AQI
51AQI
37AQI
46AQI
38AQI
42AQI
55AQI
33AQI
24AQI
44AQI
61AQI
65AQI
76AQI
86AQI
78AQI
74AQI
60AQI
48AQI
39AQI
36AQI
44AQI
41AQI
40AQI
32AQI
31AQI
46AQI
49AQI
49AQI
45AQI
51AQI
43AQI
50AQI
69AQI
75AQI
77AQI
40AQI
56AQI
47AQI
37AQI
54AQI
44AQI
31AQI
40AQI
50AQI
41AQI
52AQI
65AQI
66AQI
50AQI
48AQI
45AQI
48AQI
38AQI
45AQI
49AQI
56AQI
44AQI
46AQI
35AQI
33AQI
40AQI
55AQI
53AQI
43AQI
34AQI
34AQI
30AQI
29AQI
39AQI
31AQI
22AQI
28AQI
27AQI
33AQI
40AQI
33AQI
29AQI
28AQI
20AQI
25AQI
23AQI
24AQI
34AQI
48AQI
43AQI
21AQI
22AQI
35AQI
47AQI
44AQI
22AQI
22AQI
17AQI
15AQI
23AQI
30AQI
39AQI
45AQI
54AQI
41AQI
29AQI
24AQI
16AQI
16AQI
17AQI
16AQI
24AQI
27AQI
24AQI
28AQI
28AQI
29AQI
31AQI
28AQI
27AQI
28AQI
26AQI
28AQI
22AQI
27AQI
29AQI
31AQI
31AQI
27AQI
29AQI
32AQI
30AQI
24AQI
33AQI
20AQI
24AQI
29AQI
28AQI
23AQI
33AQI
38AQI
24AQI
40AQI
17AQI
25AQI
27AQI
28AQI
25AQI
23AQI
28AQI
33AQI
34AQI
39AQI
46AQI
25AQI
24AQI
22AQI
24AQI
21AQI
20AQI
24AQI
31AQI
41AQI
59AQI
53AQI
43AQI
34AQI
33AQI
30AQI
42AQI
47AQI
52AQI
49AQI
50AQI
46AQI
43AQI
38AQI
40AQI
45AQI
33AQI
27AQI
28AQI
37AQI
41AQI
40AQI
31AQI
28AQI
33AQI
61AQI
62AQI
54AQI
60AQI
61AQI
54AQI
42AQI
37AQI
34AQI
26AQI
35AQI
42AQI
45AQI
35AQI
20AQI
17AQI
19AQI
21AQI
25AQI
23AQI
24AQI
35AQI
31AQI
23AQI
22AQI
22AQI
25AQI
37AQI
32AQI
34AQI
40AQI
45AQI
42AQI
54AQI
47AQI
42AQI
50AQI
50AQI
33AQI
28AQI
29AQI
37AQI
35AQI
41AQI
No. of days
202538AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
April28AQI
202450AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
August37AQI
202347AQI
Highest AQI recorded in
December56AQI
Lowest AQI recorded in
August38AQI
202243AQI
Highest AQI recorded in
January60AQI
Lowest AQI recorded in
August25AQI
202140AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
September31AQI
202036AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
August26AQI
Most & Least Polluted Years Over the Last 6 Years
Coia's annual 2025 AQI (38) shows an average percentage change of -11.9% (improved AQI) compared to previous years: 2020 (36), 2021 (40), 2022 (43), 2023 (47), 2024 (50).