Cato Ridge, Pietermaritzburg, KwaZulu Natal, 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
Cato Ridge, Pietermaritzburg, KwaZulu Natal, South Africa
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Cato Ridge, Pietermaritzburg, KwaZulu Natal, South Africa
6 AM13th Aug 2025
5 PM
5 AM14th Aug 2025
115AQI
56AQI
104AQI
64AQI
In the last 24 hours,
Cato Ridge's AQI reached its highest point of 115 at 9 AM during the Day, while the lowest point, 56, was recorded at 4 PM during the Day between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cato Ridge, Pietermaritzburg, KwaZulu Natal, South Africa
15°C12/22°C
16°C10/25°C
18°C12/29°C
14°C11/16°C
13°C11/16°C
14°C7/23°C
17°C12/27°C
13°C11/17°C
13°C11/17°C
14°C10/22°C
14°C10/20°C
13°C10/18°C
11°C7/16°C
11°C6/19°C
13°C7/23°C
15°C8/25°C
17°C11/29°C
13°C10/19°C
11°C6/19°C
14°C6/24°C
18°C11/29°C
18°C11/28°C
14°C12/16°C
13°C12/17°C
14°C9/21°C
16°C10/25°C
16°C12/21°C
14°C10/18°C
16°C8/26°C
17°C11/26°C
--°C/°C
75AQI
61AQI
75AQI
66AQI
2025 Days Vs Air Quality
Cato Ridge, Pietermaritzburg, KwaZulu Natal, South Africa
34%
76
66%
148
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 226 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
Cato Ridge, Pietermaritzburg, KwaZulu Natal, South Africa
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
116AQI
123AQI
119AQI
120AQI
120AQI
123AQI
116AQI
125AQI
117AQI
116AQI
121AQI
121AQI
120AQI
117AQI
116AQI
124AQI
126AQI
117AQI
120AQI
121AQI
117AQI
121AQI
118AQI
120AQI
121AQI
117AQI
120AQI
117AQI
118AQI
113AQI
120AQI
114AQI
116AQI
118AQI
121AQI
126AQI
120AQI
115AQI
117AQI
117AQI
118AQI
109AQI
111AQI
117AQI
116AQI
108AQI
117AQI
111AQI
103AQI
107AQI
105AQI
105AQI
105AQI
113AQI
117AQI
108AQI
118AQI
116AQI
114AQI
110AQI
116AQI
109AQI
105AQI
102AQI
108AQI
107AQI
103AQI
102AQI
104AQI
115AQI
115AQI
115AQI
108AQI
112AQI
106AQI
110AQI
112AQI
107AQI
109AQI
110AQI
112AQI
116AQI
122AQI
124AQI
121AQI
119AQI
119AQI
108AQI
107AQI
109AQI
109AQI
120AQI
115AQI
123AQI
111AQI
113AQI
108AQI
124AQI
124AQI
118AQI
115AQI
112AQI
133AQI
106AQI
99AQI
101AQI
101AQI
108AQI
110AQI
113AQI
112AQI
105AQI
106AQI
105AQI
102AQI
100AQI
104AQI
108AQI
102AQI
114AQI
94AQI
88AQI
89AQI
94AQI
89AQI
93AQI
98AQI
115AQI
105AQI
115AQI
101AQI
98AQI
98AQI
104AQI
112AQI
113AQI
108AQI
116AQI
120AQI
121AQI
109AQI
102AQI
97AQI
103AQI
98AQI
107AQI
104AQI
111AQI
114AQI
117AQI
118AQI
118AQI
119AQI
123AQI
115AQI
115AQI
114AQI
118AQI
110AQI
106AQI
97AQI
82AQI
88AQI
92AQI
102AQI
98AQI
91AQI
87AQI
82AQI
80AQI
80AQI
78AQI
75AQI
79AQI
81AQI
82AQI
88AQI
83AQI
80AQI
79AQI
77AQI
76AQI
85AQI
96AQI
98AQI
93AQI
84AQI
87AQI
82AQI
83AQI
88AQI
94AQI
100AQI
90AQI
80AQI
81AQI
82AQI
82AQI
92AQI
78AQI
63AQI
61AQI
64AQI
65AQI
66AQI
66AQI
62AQI
60AQI
59AQI
60AQI
59AQI
75AQI
63AQI
61AQI
64AQI
74AQI
82AQI
73AQI
60AQI
61AQI
62AQI
65AQI
63AQI
63AQI
119AQI
114AQI
111AQI
111AQI
105AQI
94AQI
78AQI
66AQI
No. of days
2025102AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
August66AQI
202470AQI
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
January41AQI
202342AQI
Highest AQI recorded in
November57AQI
Lowest AQI recorded in
December41AQI
202241AQI
Highest AQI recorded in
May73AQI
Lowest AQI recorded in
March30AQI
Most & Least Polluted Years Over the Last 4 Years
Cato Ridge's annual 2025 AQI (102) shows an average percentage change of 113.4% (worsened AQI) compared to previous years: 2022 (41), 2023 (42), 2024 (70).