Monte Velho, Sines, 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
Monte Velho, Sines, Setubal, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Monte Velho, Sines, Setubal, Portugal
6 AM5th Aug 2025
8 PM
5 AM6th Aug 2025
48AQI
40AQI
43AQI
39AQI
In the last 24 hours,
Monte Velho's AQI reached its highest point of 48 at 10 AM during the Day, while the lowest point, 39, was recorded at 1 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Monte Velho, Sines, Setubal, Portugal
20°C18/22°C
20°C18/24°C
19°C17/22°C
20°C18/22°C
20°C18/21°C
20°C18/21°C
20°C18/22°C
21°C18/24°C
21°C16/25°C
21°C19/25°C
20°C17/24°C
19°C17/22°C
19°C18/22°C
20°C18/22°C
19°C17/21°C
20°C17/22°C
20°C18/22°C
21°C17/24°C
24°C19/29°C
22°C19/26°C
22°C19/25°C
20°C18/23°C
23°C19/29°C
22°C19/25°C
21°C19/25°C
20°C18/23°C
20°C18/23°C
21°C18/26°C
22°C20/26°C
22°C19/26°C
--°C/°C
34AQI
34AQI
34AQI
34AQI
2025 Days Vs Air Quality
Monte Velho, Sines, Setubal, Portugal
98%
212
2%
5
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 218 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
Monte Velho, Sines, Setubal, Portugal
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
45AQI
37AQI
36AQI
33AQI
29AQI
26AQI
27AQI
44AQI
29AQI
30AQI
39AQI
37AQI
32AQI
37AQI
56AQI
47AQI
36AQI
33AQI
35AQI
37AQI
40AQI
37AQI
32AQI
39AQI
35AQI
48AQI
49AQI
45AQI
46AQI
32AQI
26AQI
24AQI
31AQI
38AQI
40AQI
42AQI
36AQI
26AQI
23AQI
27AQI
30AQI
28AQI
25AQI
27AQI
30AQI
34AQI
32AQI
33AQI
42AQI
42AQI
29AQI
43AQI
31AQI
32AQI
45AQI
37AQI
47AQI
31AQI
35AQI
31AQI
31AQI
32AQI
31AQI
40AQI
25AQI
29AQI
32AQI
43AQI
41AQI
29AQI
31AQI
33AQI
23AQI
19AQI
25AQI
32AQI
25AQI
23AQI
35AQI
22AQI
21AQI
24AQI
34AQI
32AQI
27AQI
42AQI
38AQI
29AQI
25AQI
30AQI
23AQI
23AQI
24AQI
22AQI
20AQI
21AQI
24AQI
25AQI
33AQI
45AQI
38AQI
34AQI
29AQI
30AQI
27AQI
30AQI
20AQI
16AQI
19AQI
21AQI
20AQI
23AQI
23AQI
24AQI
23AQI
21AQI
23AQI
26AQI
24AQI
22AQI
27AQI
37AQI
26AQI
26AQI
24AQI
24AQI
23AQI
23AQI
22AQI
23AQI
23AQI
25AQI
25AQI
26AQI
28AQI
29AQI
29AQI
27AQI
27AQI
24AQI
23AQI
24AQI
25AQI
25AQI
23AQI
31AQI
38AQI
38AQI
39AQI
42AQI
38AQI
35AQI
34AQI
35AQI
32AQI
29AQI
26AQI
30AQI
37AQI
42AQI
45AQI
49AQI
44AQI
40AQI
38AQI
38AQI
40AQI
44AQI
45AQI
47AQI
45AQI
43AQI
45AQI
42AQI
42AQI
36AQI
35AQI
40AQI
45AQI
50AQI
51AQI
45AQI
42AQI
47AQI
52AQI
51AQI
48AQI
44AQI
43AQI
37AQI
35AQI
34AQI
30AQI
25AQI
26AQI
30AQI
34AQI
37AQI
33AQI
29AQI
26AQI
25AQI
23AQI
24AQI
26AQI
29AQI
30AQI
30AQI
31AQI
36AQI
44AQI
45AQI
43AQI
42AQI
41AQI
43AQI
38AQI
33AQI
30AQI
25AQI
27AQI
40AQI
35AQI
43AQI
No. of days
202533AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
April25AQI
202437AQI
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
April24AQI
202332AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
September20AQI
202241AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
September30AQI
202123AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
January17AQI
20206AQI
Highest AQI recorded in
October19AQI
Lowest AQI recorded in
March0AQI
Most & Least Polluted Years Over the Last 6 Years
Monte Velho's annual 2025 AQI (33) shows an average percentage change of 88.6% (worsened AQI) compared to previous years: 2020 (6), 2021 (23), 2022 (41), 2023 (32), 2024 (37).