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!
August Air Quality Analysis
Mem Martins, Cacem, Lisboa, Portugal
AQI Trends: Highest and Lowest
Same Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 32 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Mem Martins, Cacem, Lisboa, Portugal
6 AM7th Aug 2026
8 PM
5 AM8th Aug 2026
51AQI
25AQI
48AQI
36AQI
In the last 24 hours,
Mem Martins's AQI reached its highest point of 51 at 5 PM during the Day, while the lowest point, 25, was recorded at 11 AM during the Day between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Mem Martins, Cacem, Lisboa, Portugal
19°C17/22°C
19°C17/21°C
19°C17/22°C
20°C18/22°C
20°C18/23°C
20°C19/23°C
20°C18/23°C
20°C18/23°C
20°C18/22°C
20°C18/22°C
20°C19/23°C
21°C18/23°C
21°C19/23°C
21°C18/23°C
20°C19/22°C
20°C19/22°C
20°C18/24°C
23°C19/27°C
23°C19/26°C
21°C19/24°C
20°C18/23°C
21°C18/24°C
21°C19/25°C
21°C19/23°C
21°C19/23°C
22°C20/24°C
21°C19/24°C
21°C19/25°C
22°C19/25°C
22°C20/24°C
30AQI
26AQI
29AQI
26AQI
2026 Days Vs Air Quality
Mem Martins, Cacem, Lisboa, Portugal
95%
206
5%
11
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 220 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
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)
34AQI (US)
37AQI (US)
30AQI (US)
43AQI (US)
42AQI (US)
43AQI (US)
34AQI (US)
29AQI (US)
38AQI (US)
37AQI (US)
29AQI (US)
26AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
42AQI (US)
36AQI (US)
37AQI (US)
24AQI (US)
19AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
42AQI (US)
18AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
65AQI (US)
17AQI (US)
10AQI (US)
26AQI (US)
23AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
43AQI (US)
19AQI (US)
25AQI (US)
22AQI (US)
19AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
20AQI (US)
18AQI (US)
30AQI (US)
37AQI (US)
33AQI (US)
28AQI (US)
22AQI (US)
27AQI (US)
25AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
37AQI (US)
37AQI (US)
36AQI (US)
38AQI (US)
43AQI (US)
40AQI (US)
45AQI (US)
37AQI (US)
29AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
18AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
18AQI (US)
17AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
29AQI (US)
34AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
34AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
22AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
38AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
June21AQI (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) (30) shows an average percentage change of -12.4% (improved AQI (US)) compared to previous years: 2020 (27), 2021 (34), 2022 (39), 2023 (37), 2024 (39), 2025 (33).