Johannesburg, 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
Johannesburg, Gauteng, South Africa
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 58 of Moderate air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Johannesburg, Gauteng, South Africa
6 AM17th Aug 2026
5 PM
5 AM18th Aug 2026
76AQI
29AQI
69AQI
43AQI
In the last 24 hours,
Johannesburg's AQI reached its highest point of 76 at 10 AM during the Day, while the lowest point, 29, was recorded at 1 PM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Johannesburg, Gauteng, South Africa
15°C11/19°C
16°C13/20°C
16°C12/19°C
16°C12/20°C
13°C8/18°C
14°C9/19°C
14°C9/18°C
15°C11/19°C
14°C9/18°C
13°C8/17°C
14°C10/18°C
12°C8/17°C
12°C8/16°C
14°C10/18°C
14°C10/17°C
14°C11/19°C
15°C12/19°C
17°C13/21°C
17°C12/21°C
16°C11/20°C
16°C12/19°C
12°C6/16°C
5°C4/7°C
7°C4/11°C
9°C4/14°C
11°C7/15°C
13°C9/18°C
15°C10/20°C
23°C16/30°C
18°C12/24°C
65AQI
38AQI
66AQI
41AQI
2026 Days Vs Air Quality
Johannesburg, Gauteng, South Africa
69%
156
31%
70
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2026, 69% of 230 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Johannesburg, Gauteng, South Africa
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
26AQI (US)
18AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
19AQI (US)
34AQI (US)
34AQI (US)
36AQI (US)
18AQI (US)
20AQI (US)
25AQI (US)
28AQI (US)
24AQI (US)
30AQI (US)
29AQI (US)
43AQI (US)
22AQI (US)
22AQI (US)
35AQI (US)
44AQI (US)
48AQI (US)
46AQI (US)
46AQI (US)
50AQI (US)
36AQI (US)
30AQI (US)
30AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
36AQI (US)
39AQI (US)
29AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
32AQI (US)
26AQI (US)
20AQI (US)
16AQI (US)
18AQI (US)
20AQI (US)
26AQI (US)
31AQI (US)
56AQI (US)
55AQI (US)
34AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
40AQI (US)
50AQI (US)
36AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
18AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
19AQI (US)
26AQI (US)
20AQI (US)
17AQI (US)
22AQI (US)
29AQI (US)
30AQI (US)
33AQI (US)
20AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
36AQI (US)
41AQI (US)
41AQI (US)
26AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
32AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
35AQI (US)
36AQI (US)
24AQI (US)
34AQI (US)
32AQI (US)
36AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
30AQI (US)
48AQI (US)
28AQI (US)
22AQI (US)
26AQI (US)
32AQI (US)
22AQI (US)
24AQI (US)
32AQI (US)
36AQI (US)
26AQI (US)
16AQI (US)
18AQI (US)
28AQI (US)
22AQI (US)
17AQI (US)
24AQI (US)
29AQI (US)
38AQI (US)
47AQI (US)
49AQI (US)
46AQI (US)
68AQI (US)
82AQI (US)
47AQI (US)
36AQI (US)
34AQI (US)
40AQI (US)
43AQI (US)
40AQI (US)
47AQI (US)
61AQI (US)
64AQI (US)
66AQI (US)
86AQI (US)
94AQI (US)
78AQI (US)
66AQI (US)
70AQI (US)
50AQI (US)
34AQI (US)
51AQI (US)
60AQI (US)
51AQI (US)
56AQI (US)
66AQI (US)
61AQI (US)
54AQI (US)
57AQI (US)
59AQI (US)
62AQI (US)
56AQI (US)
56AQI (US)
56AQI (US)
59AQI (US)
33AQI (US)
28AQI (US)
29AQI (US)
44AQI (US)
49AQI (US)
56AQI (US)
58AQI (US)
66AQI (US)
64AQI (US)
56AQI (US)
51AQI (US)
52AQI (US)
40AQI (US)
30AQI (US)
59AQI (US)
70AQI (US)
82AQI (US)
84AQI (US)
86AQI (US)
68AQI (US)
75AQI (US)
90AQI (US)
86AQI (US)
84AQI (US)
74AQI (US)
60AQI (US)
56AQI (US)
73AQI (US)
61AQI (US)
58AQI (US)
58AQI (US)
54AQI (US)
71AQI (US)
76AQI (US)
40AQI (US)
77AQI (US)
82AQI (US)
65AQI (US)
56AQI (US)
62AQI (US)
54AQI (US)
32AQI (US)
42AQI (US)
66AQI (US)
58AQI (US)
64AQI (US)
70AQI (US)
64AQI (US)
68AQI (US)
60AQI (US)
61AQI (US)
32AQI (US)
22AQI (US)
30AQI (US)
45AQI (US)
39AQI (US)
51AQI (US)
54AQI (US)
58AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
43AQI (US)
55AQI (US)
65AQI (US)
52AQI (US)
No. of days
202641AQI (US)
Highest AQI (US) recorded in
July65AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
202570AQI (US)
Highest AQI (US) recorded in
June86AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202467AQI (US)
Highest AQI (US) recorded in
November89AQI (US)
Lowest AQI (US) recorded in
January49AQI (US)
202369AQI (US)
Highest AQI (US) recorded in
August90AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202275AQI (US)
Highest AQI (US) recorded in
August100AQI (US)
Lowest AQI (US) recorded in
January54AQI (US)
202181AQI (US)
Highest AQI (US) recorded in
July101AQI (US)
Lowest AQI (US) recorded in
December54AQI (US)
202069AQI (US)
Highest AQI (US) recorded in
June97AQI (US)
Lowest AQI (US) recorded in
November38AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Johannesburg's annual 2026 AQI (US) (41) shows an average percentage change of -42.6% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (81), 2022 (75), 2023 (69), 2024 (67), 2025 (70).