Almada, Setubal, Portugal 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
Almada, Setubal, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (22nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 27 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: 22nd Aug - 23rd Aug 2025
Almada, Setubal, Portugal
6 AM22nd Aug 2025
8 PM
5 AM23rd Aug 2025
35AQI
23AQI
44AQI
28AQI
In the last 24 hours,
Almada's AQI reached its highest point of 44 at 5 AM during the Night, while the lowest point, 23, was recorded at 6 AM during the Day between 22nd Aug and 23rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Almada, Setubal, Portugal
23°C16/30°C
25°C19/32°C
24°C19/30°C
24°C19/30°C
22°C18/28°C
26°C20/33°C
25°C20/30°C
24°C20/28°C
23°C18/29°C
22°C17/28°C
25°C20/31°C
23°C19/28°C
24°C21/29°C
22°C19/27°C
21°C17/27°C
21°C17/26°C
23°C18/29°C
24°C19/30°C
26°C20/33°C
27°C22/33°C
25°C20/32°C
24°C19/30°C
22°C19/27°C
24°C18/31°C
23°C19/30°C
22°C18/27°C
21°C18/26°C
21°C18/25°C
21°C17/26°C
22°C18/27°C
--°C/°C
41AQI
41AQI
42AQI
41AQI
2025 Days Vs Air Quality
Almada, Setubal, Portugal
96%
224
4%
10
Total number of days with different AQI categories in last 235 days in 2025 (130 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 235 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Almada, Setubal, Portugal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
34AQI
49AQI
52AQI
49AQI
44AQI
29AQI
31AQI
28AQI
26AQI
25AQI
26AQI
39AQI
37AQI
31AQI
47AQI
46AQI
39AQI
39AQI
41AQI
41AQI
39AQI
34AQI
32AQI
30AQI
31AQI
29AQI
31AQI
32AQI
32AQI
28AQI
22AQI
29AQI
33AQI
28AQI
28AQI
32AQI
26AQI
26AQI
24AQI
31AQI
33AQI
33AQI
29AQI
29AQI
28AQI
29AQI
29AQI
29AQI
29AQI
35AQI
36AQI
35AQI
37AQI
38AQI
43AQI
40AQI
50AQI
36AQI
36AQI
31AQI
31AQI
34AQI
23AQI
26AQI
31AQI
33AQI
33AQI
33AQI
33AQI
29AQI
29AQI
27AQI
28AQI
30AQI
23AQI
18AQI
19AQI
17AQI
18AQI
16AQI
16AQI
22AQI
25AQI
28AQI
21AQI
23AQI
30AQI
30AQI
28AQI
23AQI
22AQI
20AQI
21AQI
16AQI
14AQI
14AQI
15AQI
22AQI
25AQI
27AQI
27AQI
25AQI
24AQI
22AQI
22AQI
18AQI
18AQI
16AQI
20AQI
18AQI
15AQI
16AQI
21AQI
24AQI
19AQI
14AQI
16AQI
27AQI
25AQI
20AQI
24AQI
35AQI
29AQI
30AQI
23AQI
18AQI
17AQI
17AQI
17AQI
19AQI
18AQI
17AQI
18AQI
20AQI
22AQI
27AQI
35AQI
22AQI
20AQI
19AQI
17AQI
19AQI
26AQI
26AQI
20AQI
21AQI
28AQI
36AQI
43AQI
46AQI
40AQI
29AQI
25AQI
24AQI
22AQI
22AQI
20AQI
24AQI
39AQI
51AQI
48AQI
40AQI
27AQI
27AQI
27AQI
34AQI
44AQI
51AQI
48AQI
50AQI
43AQI
40AQI
33AQI
37AQI
34AQI
28AQI
26AQI
29AQI
37AQI
49AQI
50AQI
38AQI
35AQI
41AQI
42AQI
43AQI
36AQI
32AQI
34AQI
30AQI
27AQI
26AQI
22AQI
20AQI
23AQI
37AQI
38AQI
32AQI
25AQI
22AQI
21AQI
21AQI
20AQI
23AQI
28AQI
28AQI
34AQI
33AQI
33AQI
49AQI
56AQI
55AQI
47AQI
41AQI
47AQI
53AQI
51AQI
53AQI
43AQI
44AQI
47AQI
46AQI
54AQI
55AQI
47AQI
42AQI
44AQI
47AQI
40AQI
34AQI
25AQI
24AQI
27AQI
36AQI
32AQI
26AQI
20AQI
24AQI
35AQI
32AQI
44AQI
No. of days
202531AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
April20AQI
202434AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
June29AQI
202332AQI
Highest AQI recorded in
March35AQI
Lowest AQI recorded in
July26AQI
202235AQI
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
November27AQI
202131AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
January19AQI
202023AQI
Highest AQI recorded in
May29AQI
Lowest AQI recorded in
August17AQI
Most & Least Polluted Years Over the Last 6 Years
Almada's annual 2025 AQI (31) shows an average percentage change of 1.3% (worsened AQI) compared to previous years: 2020 (23), 2021 (31), 2022 (35), 2023 (32), 2024 (34).