Alexandra, Sandton, Gauteng, South Africa 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
Alexandra, Sandton, Gauteng, South Africa
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 67 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Alexandra, Sandton, Gauteng, South Africa
6 AM2nd Aug 2025
5 PM
5 AM3rd Aug 2025
84AQI
60AQI
76AQI
54AQI
In the last 24 hours,
Alexandra's AQI reached its highest point of 84 at 9 AM during the Day, while the lowest point, 54, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Alexandra, Sandton, Gauteng, South Africa
10°C6/14°C
11°C6/15°C
13°C9/17°C
10°C6/14°C
10°C6/15°C
11°C7/15°C
12°C8/17°C
13°C8/17°C
14°C10/18°C
12°C8/16°C
14°C11/17°C
15°C11/18°C
15°C12/19°C
15°C12/18°C
16°C12/20°C
14°C10/18°C
13°C9/17°C
13°C10/16°C
14°C11/18°C
12°C8/16°C
13°C10/17°C
14°C11/18°C
15°C12/19°C
13°C9/17°C
10°C5/15°C
12°C8/15°C
12°C8/16°C
14°C10/19°C
13°C8/17°C
11°C7/16°C
--°C/°C
71AQI
71AQI
75AQI
75AQI
2025 Days Vs Air Quality
Alexandra, Sandton, Gauteng, South Africa
14%
29
86%
183
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Alexandra, Sandton, Gauteng, South Africa
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
84AQI
81AQI
79AQI
77AQI
77AQI
78AQI
80AQI
81AQI
77AQI
80AQI
86AQI
81AQI
88AQI
89AQI
89AQI
83AQI
85AQI
86AQI
84AQI
83AQI
84AQI
80AQI
85AQI
83AQI
82AQI
75AQI
71AQI
71AQI
73AQI
76AQI
78AQI
80AQI
79AQI
80AQI
83AQI
87AQI
85AQI
85AQI
85AQI
85AQI
91AQI
87AQI
78AQI
63AQI
64AQI
58AQI
57AQI
56AQI
59AQI
55AQI
51AQI
56AQI
54AQI
47AQI
51AQI
45AQI
41AQI
40AQI
35AQI
26AQI
21AQI
19AQI
16AQI
17AQI
18AQI
18AQI
23AQI
23AQI
21AQI
19AQI
20AQI
22AQI
24AQI
27AQI
30AQI
32AQI
34AQI
39AQI
45AQI
50AQI
53AQI
54AQI
55AQI
56AQI
57AQI
57AQI
56AQI
56AQI
56AQI
55AQI
55AQI
54AQI
54AQI
53AQI
53AQI
52AQI
52AQI
52AQI
51AQI
51AQI
51AQI
52AQI
53AQI
54AQI
54AQI
53AQI
53AQI
53AQI
52AQI
53AQI
54AQI
53AQI
53AQI
52AQI
52AQI
53AQI
53AQI
53AQI
54AQI
53AQI
50AQI
49AQI
50AQI
55AQI
58AQI
65AQI
64AQI
64AQI
68AQI
67AQI
64AQI
68AQI
66AQI
64AQI
66AQI
66AQI
65AQI
69AQI
66AQI
62AQI
59AQI
58AQI
60AQI
63AQI
67AQI
68AQI
72AQI
76AQI
76AQI
73AQI
75AQI
74AQI
76AQI
76AQI
76AQI
76AQI
81AQI
77AQI
72AQI
62AQI
61AQI
63AQI
67AQI
76AQI
75AQI
75AQI
77AQI
76AQI
75AQI
73AQI
72AQI
70AQI
70AQI
72AQI
72AQI
71AQI
65AQI
63AQI
63AQI
67AQI
67AQI
71AQI
74AQI
71AQI
72AQI
73AQI
70AQI
70AQI
72AQI
73AQI
80AQI
84AQI
80AQI
80AQI
81AQI
89AQI
101AQI
102AQI
89AQI
73AQI
63AQI
71AQI
64AQI
70AQI
69AQI
62AQI
58AQI
56AQI
59AQI
66AQI
71AQI
60AQI
67AQI
81AQI
67AQI
35AQI
53AQI
64AQI
72AQI
74AQI
64AQI
No. of days
202563AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
March35AQI
202470AQI
Highest AQI recorded in
November89AQI
Lowest AQI recorded in
April42AQI
202389AQI
Highest AQI recorded in
July122AQI
Lowest AQI recorded in
December54AQI
202280AQI
Highest AQI recorded in
July113AQI
Lowest AQI recorded in
December59AQI
202186AQI
Highest AQI recorded in
July122AQI
Lowest AQI recorded in
January46AQI
202081AQI
Highest AQI recorded in
July121AQI
Lowest AQI recorded in
March20AQI
Most & Least Polluted Years Over the Last 6 Years
Alexandra's annual 2025 AQI (63) shows an average percentage change of -21.1% (improved AQI) compared to previous years: 2020 (81), 2021 (86), 2022 (80), 2023 (89), 2024 (70).