Douala, Littoral, Cameroon 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
Douala, Littoral, Cameroon
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Douala, Littoral, Cameroon
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
68AQI
51AQI
57AQI
52AQI
In the last 24 hours,
Douala's AQI reached its highest point of 68 at 10 AM during the Day, while the lowest point, 51, was recorded at 3 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Douala, Littoral, Cameroon
25°C23/27°C
25°C22/28°C
25°C22/28°C
24°C22/27°C
23°C23/25°C
23°C22/24°C
24°C23/27°C
25°C23/28°C
25°C23/29°C
25°C23/28°C
25°C22/29°C
25°C23/29°C
25°C23/29°C
25°C23/27°C
24°C23/27°C
24°C22/28°C
24°C23/27°C
25°C23/30°C
25°C23/29°C
24°C23/26°C
25°C23/28°C
25°C23/29°C
25°C23/29°C
24°C23/28°C
25°C23/27°C
24°C23/27°C
24°C23/27°C
24°C23/27°C
25°C23/28°C
25°C24/29°C
--°C/°C
50AQI
50AQI
50AQI
50AQI
2025 Days Vs Air Quality
Douala, Littoral, Cameroon
20%
53
61%
158
19%
49
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 262 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Douala, Littoral, Cameroon
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
107AQI
112AQI
110AQI
107AQI
115AQI
140AQI
118AQI
120AQI
96AQI
114AQI
130AQI
150AQI
153AQI
131AQI
118AQI
138AQI
145AQI
147AQI
126AQI
112AQI
119AQI
111AQI
109AQI
117AQI
105AQI
118AQI
87AQI
89AQI
77AQI
86AQI
99AQI
100AQI
101AQI
99AQI
89AQI
108AQI
102AQI
113AQI
93AQI
104AQI
109AQI
106AQI
104AQI
130AQI
133AQI
141AQI
83AQI
80AQI
93AQI
101AQI
100AQI
76AQI
79AQI
80AQI
99AQI
119AQI
128AQI
144AQI
130AQI
109AQI
111AQI
97AQI
103AQI
54AQI
55AQI
53AQI
51AQI
53AQI
48AQI
57AQI
53AQI
43AQI
52AQI
42AQI
48AQI
47AQI
32AQI
40AQI
70AQI
87AQI
40AQI
58AQI
52AQI
81AQI
103AQI
127AQI
120AQI
90AQI
120AQI
104AQI
117AQI
96AQI
75AQI
73AQI
65AQI
60AQI
61AQI
74AQI
63AQI
62AQI
59AQI
65AQI
55AQI
57AQI
55AQI
57AQI
56AQI
54AQI
61AQI
63AQI
61AQI
74AQI
34AQI
34AQI
38AQI
41AQI
40AQI
41AQI
40AQI
34AQI
52AQI
60AQI
59AQI
58AQI
62AQI
60AQI
63AQI
66AQI
63AQI
64AQI
60AQI
62AQI
63AQI
59AQI
47AQI
43AQI
49AQI
43AQI
45AQI
44AQI
46AQI
53AQI
53AQI
47AQI
56AQI
53AQI
49AQI
50AQI
49AQI
55AQI
59AQI
58AQI
62AQI
59AQI
56AQI
51AQI
51AQI
53AQI
55AQI
55AQI
57AQI
58AQI
55AQI
58AQI
59AQI
57AQI
57AQI
54AQI
54AQI
52AQI
53AQI
51AQI
50AQI
51AQI
51AQI
52AQI
53AQI
52AQI
54AQI
53AQI
53AQI
54AQI
55AQI
53AQI
55AQI
54AQI
55AQI
56AQI
55AQI
55AQI
55AQI
55AQI
56AQI
56AQI
58AQI
60AQI
64AQI
69AQI
67AQI
65AQI
64AQI
59AQI
60AQI
61AQI
62AQI
62AQI
61AQI
62AQI
62AQI
64AQI
58AQI
50AQI
43AQI
53AQI
46AQI
48AQI
48AQI
45AQI
50AQI
56AQI
60AQI
60AQI
57AQI
56AQI
56AQI
59AQI
59AQI
59AQI
56AQI
57AQI
58AQI
57AQI
56AQI
60AQI
54AQI
53AQI
50AQI
51AQI
52AQI
52AQI
50AQI
49AQI
47AQI
42AQI
44AQI
45AQI
44AQI
46AQI
46AQI
47AQI
54AQI
53AQI
47AQI
46AQI
47AQI
47AQI
49AQI
47AQI
49AQI
53AQI
57AQI
116AQI
105AQI
71AQI
59AQI
55AQI
54AQI
59AQI
53AQI
48AQI
No. of days
202570AQI
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
September48AQI
202486AQI
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
October24AQI
2023119AQI
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
April76AQI
202284AQI
Highest AQI recorded in
December106AQI
Lowest AQI recorded in
October66AQI
Most & Least Polluted Years Over the Last 4 Years
Douala's annual 2025 AQI (70) shows an average percentage change of -26.07% (improved AQI) compared to previous years: 2022 (84), 2023 (119), 2024 (86).