Cape Town, Western Cape, South Africa Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Cape Town, Western Cape, South Africa
AQI Trends: Highest and Lowest
Same Day Analysis (21st October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
Cape Town, Western Cape, South Africa
6 AM22nd Oct 2025
6 PM
5 AM23rd Oct 2025
AQI
AQI
105AQI
60AQI
In the last 24 hours,
Cape Town's AQI reached its highest point of 105 at 5 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cape Town, Western Cape, South Africa
14°C12/16°C
15°C13/17°C
14°C11/18°C
17°C13/22°C
17°C15/20°C
17°C14/19°C
17°C14/20°C
20°C14/27°C
15°C13/16°C
14°C12/17°C
16°C11/21°C
16°C14/18°C
15°C13/16°C
15°C13/17°C
15°C12/17°C
16°C13/18°C
18°C14/23°C
17°C15/21°C
17°C15/19°C
17°C15/20°C
17°C15/19°C
16°C14/18°C
15°C14/17°C
15°C13/17°C
17°C12/21°C
16°C15/18°C
17°C14/20°C
18°C13/22°C
19°C14/25°C
--°C/°C
--°C/°C
55AQI
51AQI
57AQI
50AQI
2025 Days Vs Air Quality
Cape Town, Western Cape, South Africa
55%
162
45%
132
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Under WHO’s Safe Air Quality Limits: 55%
Health Risk Level:
Considerable
In 2025, 55% of 295 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Cape Town, Western Cape, South Africa
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
70AQI
62AQI
67AQI
69AQI
62AQI
64AQI
61AQI
59AQI
58AQI
55AQI
54AQI
56AQI
62AQI
75AQI
60AQI
57AQI
58AQI
57AQI
58AQI
61AQI
68AQI
68AQI
62AQI
63AQI
64AQI
70AQI
75AQI
64AQI
63AQI
62AQI
52AQI
54AQI
49AQI
53AQI
53AQI
50AQI
48AQI
52AQI
51AQI
55AQI
59AQI
54AQI
59AQI
53AQI
53AQI
48AQI
47AQI
46AQI
46AQI
49AQI
54AQI
49AQI
42AQI
39AQI
39AQI
42AQI
42AQI
45AQI
44AQI
46AQI
42AQI
56AQI
44AQI
36AQI
37AQI
40AQI
49AQI
50AQI
58AQI
57AQI
56AQI
56AQI
64AQI
60AQI
49AQI
44AQI
46AQI
57AQI
50AQI
53AQI
42AQI
39AQI
43AQI
44AQI
55AQI
46AQI
49AQI
47AQI
45AQI
44AQI
42AQI
46AQI
50AQI
53AQI
49AQI
46AQI
46AQI
38AQI
35AQI
36AQI
45AQI
35AQI
37AQI
40AQI
32AQI
38AQI
40AQI
48AQI
46AQI
37AQI
34AQI
33AQI
39AQI
43AQI
55AQI
54AQI
54AQI
44AQI
47AQI
36AQI
37AQI
44AQI
46AQI
58AQI
57AQI
49AQI
55AQI
52AQI
52AQI
43AQI
42AQI
41AQI
52AQI
52AQI
61AQI
63AQI
65AQI
56AQI
47AQI
45AQI
45AQI
40AQI
45AQI
56AQI
54AQI
46AQI
44AQI
45AQI
38AQI
40AQI
43AQI
50AQI
50AQI
40AQI
45AQI
52AQI
43AQI
38AQI
43AQI
45AQI
52AQI
53AQI
60AQI
58AQI
63AQI
55AQI
53AQI
49AQI
47AQI
46AQI
45AQI
43AQI
44AQI
43AQI
40AQI
37AQI
38AQI
37AQI
35AQI
35AQI
43AQI
41AQI
39AQI
47AQI
43AQI
40AQI
38AQI
40AQI
48AQI
48AQI
44AQI
41AQI
51AQI
54AQI
50AQI
46AQI
44AQI
40AQI
42AQI
49AQI
57AQI
48AQI
44AQI
38AQI
37AQI
37AQI
42AQI
43AQI
51AQI
54AQI
48AQI
45AQI
45AQI
51AQI
61AQI
57AQI
51AQI
50AQI
49AQI
47AQI
53AQI
45AQI
57AQI
60AQI
60AQI
65AQI
63AQI
56AQI
57AQI
58AQI
56AQI
56AQI
48AQI
48AQI
49AQI
48AQI
51AQI
44AQI
50AQI
53AQI
56AQI
55AQI
59AQI
53AQI
54AQI
53AQI
48AQI
52AQI
53AQI
54AQI
51AQI
54AQI
51AQI
50AQI
41AQI
38AQI
38AQI
40AQI
44AQI
48AQI
46AQI
46AQI
48AQI
52AQI
39AQI
42AQI
35AQI
32AQI
34AQI
46AQI
32AQI
28AQI
48AQI
45AQI
47AQI
51AQI
62AQI
59AQI
56AQI
79AQI
86AQI
60AQI
61AQI
60AQI
58AQI
65AQI
58AQI
62AQI
56AQI
65AQI
70AQI
55AQI
56AQI
58AQI
62AQI
49AQI
49AQI
43AQI
49AQI
46AQI
45AQI
53AQI
45AQI
60AQI
No. of days
202550AQI
Highest AQI recorded in
January62AQI
Lowest AQI recorded in
April43AQI
202442AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
March30AQI
202329AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
February20AQI
202235AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
March22AQI
202142AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
December24AQI
202039AQI
Highest AQI recorded in
March118AQI
Lowest AQI recorded in
October24AQI
Most & Least Polluted Years Over the Last 6 Years
Cape Town's annual 2025 AQI (50) shows an average percentage change of 35.2% (worsened AQI) compared to previous years: 2020 (39), 2021 (42), 2022 (35), 2023 (29), 2024 (42).