Koforidua, Eastern, Ghana 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
Koforidua, Eastern, Ghana
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Koforidua, Eastern, Ghana
5 AM16th Sep 2025
6 PM
4 AM17th Sep 2025
60AQI
43AQI
67AQI
41AQI
In the last 24 hours,
Koforidua's AQI reached its highest point of 67 at 4 AM during the Night, while the lowest point, 41, was recorded at 8 PM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Koforidua, Eastern, Ghana
23°C20/28°C
22°C20/27°C
23°C20/29°C
24°C20/29°C
24°C21/29°C
24°C20/29°C
24°C20/31°C
24°C20/29°C
23°C20/28°C
24°C21/29°C
24°C20/30°C
24°C20/30°C
24°C21/29°C
24°C20/28°C
24°C19/32°C
25°C20/33°C
24°C21/29°C
24°C21/30°C
25°C19/33°C
25°C19/33°C
24°C21/28°C
24°C21/30°C
24°C22/28°C
24°C21/29°C
24°C21/30°C
24°C21/29°C
23°C21/26°C
24°C20/29°C
24°C21/28°C
23°C22/26°C
--°C/°C
50AQI
50AQI
49AQI
49AQI
2025 Days Vs Air Quality
Koforidua, Eastern, Ghana
26%
68
61%
157
13%
34
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 260 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
Koforidua, Eastern, Ghana
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
85AQI
79AQI
87AQI
103AQI
117AQI
111AQI
129AQI
125AQI
101AQI
116AQI
132AQI
149AQI
143AQI
127AQI
133AQI
123AQI
108AQI
149AQI
123AQI
83AQI
109AQI
115AQI
101AQI
88AQI
101AQI
107AQI
86AQI
90AQI
87AQI
77AQI
87AQI
73AQI
104AQI
98AQI
83AQI
84AQI
93AQI
117AQI
115AQI
110AQI
96AQI
84AQI
84AQI
96AQI
93AQI
145AQI
80AQI
74AQI
87AQI
101AQI
88AQI
72AQI
73AQI
71AQI
70AQI
101AQI
94AQI
114AQI
113AQI
110AQI
106AQI
102AQI
91AQI
54AQI
51AQI
42AQI
41AQI
39AQI
31AQI
35AQI
39AQI
38AQI
39AQI
34AQI
31AQI
36AQI
33AQI
40AQI
59AQI
74AQI
27AQI
23AQI
40AQI
77AQI
92AQI
86AQI
76AQI
81AQI
85AQI
104AQI
91AQI
98AQI
74AQI
70AQI
63AQI
64AQI
64AQI
76AQI
74AQI
70AQI
63AQI
68AQI
61AQI
58AQI
61AQI
45AQI
47AQI
56AQI
54AQI
48AQI
58AQI
71AQI
37AQI
48AQI
36AQI
35AQI
43AQI
46AQI
38AQI
39AQI
66AQI
73AQI
78AQI
68AQI
64AQI
60AQI
64AQI
65AQI
60AQI
61AQI
57AQI
58AQI
59AQI
52AQI
44AQI
43AQI
47AQI
41AQI
42AQI
40AQI
49AQI
50AQI
49AQI
46AQI
52AQI
56AQI
49AQI
46AQI
45AQI
60AQI
58AQI
59AQI
66AQI
60AQI
53AQI
52AQI
50AQI
51AQI
54AQI
53AQI
56AQI
57AQI
53AQI
57AQI
57AQI
53AQI
54AQI
54AQI
56AQI
51AQI
54AQI
56AQI
55AQI
54AQI
53AQI
52AQI
52AQI
53AQI
53AQI
50AQI
51AQI
52AQI
53AQI
52AQI
55AQI
53AQI
58AQI
56AQI
56AQI
55AQI
56AQI
56AQI
57AQI
55AQI
46AQI
55AQI
63AQI
63AQI
67AQI
68AQI
65AQI
61AQI
58AQI
60AQI
62AQI
58AQI
61AQI
62AQI
58AQI
53AQI
53AQI
46AQI
43AQI
50AQI
46AQI
38AQI
43AQI
41AQI
50AQI
60AQI
59AQI
61AQI
57AQI
55AQI
55AQI
57AQI
51AQI
52AQI
56AQI
61AQI
60AQI
59AQI
59AQI
63AQI
58AQI
55AQI
55AQI
55AQI
60AQI
59AQI
50AQI
45AQI
42AQI
39AQI
32AQI
33AQI
43AQI
37AQI
40AQI
47AQI
59AQI
54AQI
44AQI
38AQI
41AQI
44AQI
46AQI
44AQI
46AQI
109AQI
93AQI
59AQI
59AQI
55AQI
54AQI
57AQI
53AQI
43AQI
No. of days
202566AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
September43AQI
202461AQI
Highest AQI recorded in
December104AQI
Lowest AQI recorded in
October16AQI
202392AQI
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
November56AQI
202261AQI
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
October46AQI
Most & Least Polluted Years Over the Last 4 Years
Koforidua's annual 2025 AQI (66) shows an average percentage change of -4.6% (improved AQI) compared to previous years: 2022 (61), 2023 (92), 2024 (61).