Mem Martins, Cacem, Lisboa, 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
Mem Martins, Cacem, Lisboa, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
Mem Martins, Cacem, Lisboa, Portugal
7 AM6th Mar 2026
6 PM
6 AM7th Mar 2026
23AQI
4AQI
36AQI
19AQI
In the last 24 hours,
Mem Martins's AQI reached its highest point of 36 at 7 PM during the Night, while the lowest point, 4, was recorded at 11 AM during the Day between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Mem Martins, Cacem, Lisboa, Portugal
11°C11/12°C
12°C10/14°C
12°C10/13°C
14°C14/15°C
15°C14/15°C
15°C14/15°C
14°C13/15°C
12°C10/12°C
11°C10/12°C
12°C11/14°C
13°C12/15°C
12°C11/14°C
12°C11/14°C
11°C10/13°C
11°C9/14°C
13°C11/17°C
15°C13/17°C
15°C13/17°C
14°C13/16°C
14°C12/15°C
14°C12/17°C
12°C11/14°C
11°C10/13°C
12°C10/14°C
11°C10/13°C
14°C11/17°C
14°C12/17°C
12°C10/14°C
10°C9/12°C
11°C9/13°C
42AQI
30AQI
54AQI
31AQI
2026 Days Vs Air Quality
Mem Martins, Cacem, Lisboa, Portugal
85%
56
15%
10
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 67 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
Mem Martins, Cacem, Lisboa, Portugal
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI (US)
22AQI (US)
19AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
26AQI (US)
34AQI (US)
20AQI (US)
27AQI (US)
36AQI (US)
20AQI (US)
12AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
33AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
36AQI (US)
51AQI (US)
46AQI (US)
53AQI (US)
49AQI (US)
40AQI (US)
42AQI (US)
48AQI (US)
64AQI (US)
48AQI (US)
49AQI (US)
52AQI (US)
51AQI (US)
46AQI (US)
52AQI (US)
47AQI (US)
43AQI (US)
47AQI (US)
51AQI (US)
31AQI (US)
25AQI (US)
44AQI (US)
14AQI (US)
37AQI (US)
35AQI (US)
29AQI (US)
39AQI (US)
37AQI (US)
38AQI (US)
31AQI (US)
44AQI (US)
44AQI (US)
29AQI (US)
63AQI (US)
46AQI (US)
52AQI (US)
13AQI (US)
12AQI (US)
39AQI (US)
45AQI (US)
47AQI (US)
55AQI (US)
34AQI (US)
15AQI (US)
35AQI (US)
33AQI (US)
39AQI (US)
39AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
October43AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
December48AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
November43AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
May37AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mem Martins's annual 2026 AQI (US) (36) shows an average percentage change of 5.3% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (34), 2022 (39), 2023 (37), 2024 (39), 2025 (33).