Mataro, Catalonia, Spain Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Mataro, Catalonia, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (24th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 16 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Sep - 26th Sep 2025
Mataro, Catalonia, Spain
7 AM25th Sep 2025
8 PM
6 AM26th Sep 2025
AQI
AQI
26AQI
18AQI
In the last 24 hours,
Mataro's AQI reached its highest point of 26 at 8 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 25th Sep and 26th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Mataro, Catalonia, Spain
24°C19/30°C
20°C17/24°C
19°C15/26°C
19°C14/24°C
21°C16/27°C
19°C15/25°C
19°C14/24°C
21°C15/28°C
21°C17/28°C
19°C16/25°C
20°C16/26°C
22°C17/29°C
21°C18/26°C
18°C16/22°C
19°C15/24°C
16°C15/18°C
17°C14/20°C
18°C16/21°C
20°C17/26°C
21°C17/28°C
20°C17/24°C
22°C17/28°C
22°C19/28°C
21°C17/27°C
21°C17/26°C
20°C17/24°C
16°C12/19°C
13°C10/16°C
13°C10/17°C
--°C/°C
--°C/°C
31AQI
30AQI
33AQI
30AQI
2025 Days Vs Air Quality
Mataro, Catalonia, Spain
66%
175
34%
92
Total number of days with different AQI categories in last 268 days in 2025 (97 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 268 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Mataro, Catalonia, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
66AQI
43AQI
50AQI
55AQI
44AQI
28AQI
23AQI
23AQI
32AQI
32AQI
26AQI
41AQI
57AQI
66AQI
85AQI
56AQI
67AQI
84AQI
94AQI
90AQI
88AQI
69AQI
61AQI
63AQI
43AQI
42AQI
31AQI
26AQI
55AQI
58AQI
62AQI
70AQI
71AQI
69AQI
79AQI
92AQI
89AQI
67AQI
58AQI
73AQI
65AQI
66AQI
64AQI
58AQI
64AQI
70AQI
77AQI
75AQI
76AQI
70AQI
62AQI
62AQI
40AQI
50AQI
54AQI
41AQI
41AQI
51AQI
39AQI
32AQI
37AQI
38AQI
40AQI
41AQI
47AQI
38AQI
42AQI
37AQI
45AQI
42AQI
35AQI
24AQI
30AQI
38AQI
33AQI
44AQI
37AQI
45AQI
47AQI
53AQI
32AQI
35AQI
43AQI
53AQI
49AQI
54AQI
50AQI
27AQI
32AQI
36AQI
29AQI
26AQI
26AQI
34AQI
47AQI
39AQI
48AQI
57AQI
52AQI
47AQI
42AQI
49AQI
41AQI
37AQI
27AQI
19AQI
21AQI
36AQI
20AQI
20AQI
21AQI
22AQI
25AQI
32AQI
43AQI
31AQI
26AQI
27AQI
29AQI
30AQI
38AQI
44AQI
57AQI
38AQI
23AQI
28AQI
29AQI
29AQI
26AQI
29AQI
27AQI
30AQI
30AQI
34AQI
31AQI
42AQI
40AQI
36AQI
30AQI
33AQI
35AQI
31AQI
32AQI
37AQI
36AQI
34AQI
37AQI
38AQI
40AQI
37AQI
42AQI
38AQI
32AQI
42AQI
43AQI
52AQI
53AQI
52AQI
52AQI
57AQI
62AQI
63AQI
73AQI
76AQI
69AQI
60AQI
55AQI
50AQI
53AQI
56AQI
55AQI
55AQI
52AQI
62AQI
57AQI
53AQI
53AQI
53AQI
50AQI
46AQI
52AQI
48AQI
50AQI
54AQI
53AQI
52AQI
44AQI
34AQI
32AQI
35AQI
38AQI
41AQI
32AQI
32AQI
36AQI
46AQI
49AQI
49AQI
46AQI
46AQI
43AQI
31AQI
35AQI
30AQI
26AQI
29AQI
36AQI
43AQI
39AQI
38AQI
38AQI
38AQI
36AQI
32AQI
36AQI
43AQI
45AQI
53AQI
53AQI
57AQI
60AQI
62AQI
62AQI
63AQI
60AQI
58AQI
57AQI
59AQI
62AQI
57AQI
57AQI
52AQI
39AQI
46AQI
47AQI
58AQI
57AQI
56AQI
59AQI
48AQI
26AQI
25AQI
28AQI
20AQI
22AQI
28AQI
27AQI
23AQI
24AQI
33AQI
32AQI
22AQI
22AQI
28AQI
30AQI
28AQI
34AQI
35AQI
29AQI
44AQI
48AQI
38AQI
35AQI
28AQI
19AQI
16AQI
54AQI
65AQI
40AQI
34AQI
34AQI
54AQI
41AQI
50AQI
29AQI
No. of days
202545AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
September29AQI
202447AQI
Highest AQI recorded in
January73AQI
Lowest AQI recorded in
September35AQI
202355AQI
Highest AQI recorded in
February82AQI
Lowest AQI recorded in
April44AQI
202239AQI
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
January25AQI
202126AQI
Highest AQI recorded in
July29AQI
Lowest AQI recorded in
January18AQI
202024AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Mataro's annual 2025 AQI (45) shows an average percentage change of 30.2% (worsened AQI) compared to previous years: 2020 (24), 2021 (26), 2022 (39), 2023 (55), 2024 (47).