Grootvlei Eskom, Vereeniging, Gauteng, South Africa Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Grootvlei Eskom, Vereeniging, Gauteng, South Africa
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 69 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Grootvlei Eskom, Vereeniging, Gauteng, South Africa
6 AM22nd Sep 2025
5 PM
5 AM23rd Sep 2025
77AQI
59AQI
76AQI
66AQI
In the last 24 hours,
Grootvlei Eskom's AQI reached its highest point of 77 at 9 AM during the Day, while the lowest point, 59, was recorded at 4 PM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Grootvlei Eskom, Vereeniging, Gauteng, South Africa
15°C6/24°C
18°C10/26°C
19°C11/27°C
19°C11/27°C
20°C13/28°C
20°C13/28°C
20°C12/29°C
21°C13/29°C
21°C14/29°C
21°C13/29°C
20°C13/28°C
19°C11/26°C
21°C12/28°C
18°C13/26°C
17°C9/25°C
19°C12/27°C
20°C14/27°C
20°C12/28°C
21°C12/29°C
22°C15/29°C
20°C13/26°C
20°C14/27°C
19°C10/27°C
18°C11/25°C
15°C7/24°C
17°C8/26°C
19°C9/29°C
19°C12/27°C
21°C14/29°C
22°C14/29°C
--°C/°C
96AQI
76AQI
89AQI
76AQI
2025 Days Vs Air Quality
Grootvlei Eskom, Vereeniging, Gauteng, South Africa
17%
45
81%
215
2%
5
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 17%
Health Risk Level:
Extreme
In 2025, 17% of 266 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
Grootvlei Eskom, Vereeniging, Gauteng, South Africa
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
69AQI
65AQI
62AQI
56AQI
52AQI
52AQI
57AQI
57AQI
61AQI
57AQI
52AQI
56AQI
55AQI
62AQI
59AQI
63AQI
68AQI
71AQI
67AQI
65AQI
60AQI
64AQI
67AQI
66AQI
59AQI
57AQI
56AQI
62AQI
63AQI
63AQI
67AQI
71AQI
62AQI
68AQI
68AQI
67AQI
73AQI
62AQI
74AQI
68AQI
68AQI
64AQI
55AQI
46AQI
44AQI
44AQI
43AQI
39AQI
38AQI
35AQI
41AQI
46AQI
44AQI
37AQI
32AQI
32AQI
35AQI
47AQI
48AQI
38AQI
41AQI
44AQI
46AQI
40AQI
44AQI
40AQI
35AQI
45AQI
37AQI
31AQI
38AQI
39AQI
38AQI
40AQI
35AQI
46AQI
50AQI
56AQI
70AQI
77AQI
89AQI
87AQI
88AQI
86AQI
72AQI
59AQI
63AQI
62AQI
63AQI
64AQI
48AQI
64AQI
59AQI
49AQI
62AQI
69AQI
63AQI
59AQI
54AQI
59AQI
80AQI
56AQI
56AQI
60AQI
63AQI
47AQI
50AQI
49AQI
56AQI
55AQI
62AQI
63AQI
46AQI
53AQI
55AQI
49AQI
46AQI
53AQI
50AQI
59AQI
43AQI
46AQI
55AQI
76AQI
68AQI
64AQI
60AQI
67AQI
80AQI
69AQI
59AQI
69AQI
70AQI
75AQI
75AQI
67AQI
70AQI
87AQI
78AQI
58AQI
51AQI
60AQI
65AQI
72AQI
78AQI
77AQI
82AQI
92AQI
72AQI
60AQI
72AQI
68AQI
93AQI
81AQI
70AQI
83AQI
92AQI
86AQI
74AQI
61AQI
69AQI
84AQI
84AQI
100AQI
94AQI
93AQI
85AQI
70AQI
68AQI
67AQI
66AQI
58AQI
68AQI
73AQI
77AQI
74AQI
67AQI
65AQI
75AQI
75AQI
79AQI
87AQI
77AQI
72AQI
68AQI
74AQI
65AQI
68AQI
71AQI
75AQI
81AQI
90AQI
83AQI
81AQI
85AQI
85AQI
86AQI
88AQI
82AQI
70AQI
70AQI
76AQI
66AQI
68AQI
68AQI
63AQI
62AQI
57AQI
60AQI
67AQI
73AQI
63AQI
70AQI
69AQI
82AQI
78AQI
76AQI
62AQI
63AQI
72AQI
73AQI
66AQI
67AQI
70AQI
80AQI
87AQI
82AQI
70AQI
59AQI
57AQI
67AQI
69AQI
81AQI
77AQI
77AQI
92AQI
99AQI
101AQI
111AQI
107AQI
99AQI
104AQI
92AQI
94AQI
109AQI
90AQI
86AQI
80AQI
74AQI
73AQI
67AQI
62AQI
65AQI
72AQI
66AQI
75AQI
75AQI
72AQI
64AQI
72AQI
65AQI
64AQI
67AQI
69AQI
61AQI
53AQI
53AQI
57AQI
68AQI
76AQI
74AQI
78AQI
75AQI
No. of days
202566AQI
Highest AQI recorded in
August78AQI
Lowest AQI recorded in
February53AQI
202454AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
April16AQI
202356AQI
Highest AQI recorded in
November76AQI
Lowest AQI recorded in
December54AQI
Most & Least Polluted Years Over the Last 3 Years
Grootvlei Eskom's annual 2025 AQI (66) shows an average percentage change of 20.3% (worsened AQI) compared to previous years: 2023 (56), 2024 (54).