Palmela, Setubal, Portugal Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Palmela, Setubal, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (12th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Mar - 12th Mar 2026
Palmela, Setubal, Portugal
7 AM11th Mar 2026
6 PM
6 AM12th Mar 2026
48AQI
24AQI
54AQI
33AQI
In the last 24 hours,
Palmela's AQI reached its highest point of 54 at 3 AM during the Night, while the lowest point, 24, was recorded at 1 PM during the Day between 11th Mar and 12th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Palmela, Setubal, Portugal
16°C15/17°C
15°C12/16°C
12°C10/14°C
11°C10/14°C
12°C9/15°C
14°C11/16°C
12°C10/16°C
12°C9/15°C
11°C8/15°C
11°C7/16°C
12°C7/19°C
14°C9/19°C
14°C10/19°C
14°C10/18°C
14°C12/18°C
14°C10/20°C
13°C10/16°C
11°C8/15°C
11°C7/16°C
12°C10/16°C
14°C11/19°C
14°C10/19°C
12°C10/16°C
11°C10/13°C
12°C8/16°C
11°C8/15°C
11°C9/13°C
11°C8/15°C
12°C7/18°C
14°C9/19°C
52AQI
32AQI
60AQI
33AQI
2026 Days Vs Air Quality
Palmela, Setubal, Portugal
92%
65
8%
6
Total number of days with different AQI categories in last 72 days in 2026 (293 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 72 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
Palmela, Setubal, Portugal
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
15AQI (US)
14AQI (US)
20AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
46AQI (US)
21AQI (US)
28AQI (US)
30AQI (US)
17AQI (US)
12AQI (US)
23AQI (US)
18AQI (US)
17AQI (US)
20AQI (US)
23AQI (US)
32AQI (US)
26AQI (US)
18AQI (US)
38AQI (US)
52AQI (US)
32AQI (US)
43AQI (US)
44AQI (US)
39AQI (US)
42AQI (US)
45AQI (US)
58AQI (US)
41AQI (US)
43AQI (US)
44AQI (US)
44AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
44AQI (US)
45AQI (US)
41AQI (US)
43AQI (US)
40AQI (US)
49AQI (US)
53AQI (US)
41AQI (US)
42AQI (US)
44AQI (US)
42AQI (US)
45AQI (US)
38AQI (US)
46AQI (US)
44AQI (US)
29AQI (US)
65AQI (US)
53AQI (US)
42AQI (US)
35AQI (US)
33AQI (US)
38AQI (US)
54AQI (US)
46AQI (US)
45AQI (US)
41AQI (US)
27AQI (US)
34AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
42AQI (US)
41AQI (US)
29AQI (US)
43AQI (US)
38AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
November40AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
June32AQI (US)
Lowest AQI (US) recorded in
January19AQI (US)
202023AQI (US)
Highest AQI (US) recorded in
July29AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Palmela's annual 2026 AQI (US) (36) shows an average percentage change of 26.09% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (27), 2022 (32), 2023 (29), 2024 (34), 2025 (31).