Hebron Valley, Barcelona, 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
Hebron Valley, Barcelona, Catalonia, Spain
AQI Trends: Highest and Lowest
Same Day Analysis (30th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Hebron Valley, Barcelona, Catalonia, Spain
73%
200
27%
73
Total number of days with different AQI categories in last 274 days in 2025 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 274 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
Hebron Valley, Barcelona, Catalonia, Spain
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
49AQI
39AQI
48AQI
45AQI
45AQI
29AQI
25AQI
24AQI
26AQI
28AQI
25AQI
31AQI
45AQI
55AQI
58AQI
36AQI
39AQI
54AQI
55AQI
56AQI
62AQI
52AQI
51AQI
49AQI
33AQI
28AQI
29AQI
25AQI
26AQI
29AQI
39AQI
43AQI
44AQI
43AQI
61AQI
83AQI
71AQI
50AQI
43AQI
43AQI
41AQI
38AQI
39AQI
43AQI
54AQI
51AQI
64AQI
70AQI
59AQI
56AQI
56AQI
56AQI
45AQI
44AQI
46AQI
38AQI
39AQI
44AQI
39AQI
31AQI
37AQI
40AQI
41AQI
40AQI
46AQI
36AQI
38AQI
39AQI
40AQI
38AQI
37AQI
34AQI
34AQI
39AQI
38AQI
40AQI
41AQI
51AQI
58AQI
52AQI
27AQI
23AQI
34AQI
36AQI
50AQI
54AQI
41AQI
20AQI
27AQI
33AQI
32AQI
27AQI
25AQI
35AQI
42AQI
35AQI
47AQI
49AQI
49AQI
49AQI
48AQI
53AQI
44AQI
35AQI
26AQI
20AQI
21AQI
32AQI
18AQI
18AQI
20AQI
23AQI
23AQI
36AQI
45AQI
27AQI
20AQI
23AQI
36AQI
29AQI
36AQI
45AQI
59AQI
34AQI
22AQI
24AQI
26AQI
26AQI
25AQI
26AQI
24AQI
28AQI
30AQI
32AQI
29AQI
41AQI
40AQI
33AQI
30AQI
35AQI
34AQI
30AQI
32AQI
37AQI
36AQI
34AQI
35AQI
38AQI
42AQI
38AQI
39AQI
32AQI
31AQI
42AQI
44AQI
54AQI
54AQI
53AQI
51AQI
55AQI
59AQI
61AQI
73AQI
76AQI
66AQI
57AQI
52AQI
49AQI
53AQI
55AQI
55AQI
55AQI
52AQI
82AQI
61AQI
56AQI
53AQI
54AQI
53AQI
47AQI
52AQI
49AQI
50AQI
53AQI
52AQI
53AQI
45AQI
35AQI
35AQI
35AQI
39AQI
39AQI
31AQI
29AQI
30AQI
42AQI
46AQI
44AQI
46AQI
46AQI
43AQI
31AQI
30AQI
27AQI
26AQI
28AQI
37AQI
41AQI
40AQI
38AQI
36AQI
36AQI
36AQI
32AQI
40AQI
44AQI
44AQI
44AQI
53AQI
59AQI
62AQI
64AQI
66AQI
67AQI
63AQI
61AQI
60AQI
60AQI
64AQI
60AQI
58AQI
54AQI
39AQI
37AQI
40AQI
45AQI
55AQI
56AQI
62AQI
53AQI
28AQI
24AQI
28AQI
21AQI
22AQI
26AQI
27AQI
23AQI
24AQI
34AQI
32AQI
22AQI
23AQI
31AQI
30AQI
34AQI
36AQI
34AQI
30AQI
45AQI
54AQI
39AQI
34AQI
29AQI
19AQI
15AQI
23AQI
26AQI
16AQI
19AQI
27AQI
54AQI
41AQI
50AQI
39AQI
33AQI
33AQI
54AQI
40AQI
51AQI
29AQI
No. of days
202541AQI
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
September29AQI
202437AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May30AQI
202341AQI
Highest AQI recorded in
February52AQI
Lowest AQI recorded in
September33AQI
202241AQI
Highest AQI recorded in
January58AQI
Lowest AQI recorded in
November30AQI
202127AQI
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
January19AQI
202024AQI
Highest AQI recorded in
May30AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Hebron Valley's annual 2025 AQI (41) shows an average percentage change of 25.9% (worsened AQI) compared to previous years: 2020 (24), 2021 (27), 2022 (41), 2023 (41), 2024 (37).