Monrovia, Montserrado, Liberia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Monrovia, Montserrado, Liberia
AQI Trends: Highest and Lowest
Same Day Analysis (24th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 24th Oct - 25th Oct 2025
Monrovia, Montserrado, Liberia
6 AM24th Oct 2025
6 PM
5 AM25th Oct 2025
44AQI
22AQI
56AQI
31AQI
In the last 24 hours,
Monrovia's AQI reached its highest point of 56 at 3 AM during the Night, while the lowest point, 22, was recorded at 5 PM during the Day between 24th Oct and 25th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Monrovia, Montserrado, Liberia
25°C24/27°C
26°C24/28°C
25°C25/27°C
24°C24/25°C
25°C24/27°C
26°C24/28°C
26°C24/27°C
26°C24/27°C
25°C23/27°C
26°C24/27°C
26°C24/27°C
25°C24/27°C
26°C24/27°C
26°C24/27°C
25°C23/27°C
26°C24/28°C
26°C24/27°C
25°C24/27°C
25°C24/27°C
25°C23/27°C
26°C24/28°C
26°C24/28°C
25°C24/27°C
26°C24/28°C
25°C24/28°C
26°C24/28°C
26°C25/28°C
26°C25/29°C
27°C25/29°C
26°C25/28°C
--°C/°C
61AQI
52AQI
63AQI
55AQI
2025 Days Vs Air Quality
Monrovia, Montserrado, Liberia
53%
156
45%
133
3%
8
Total number of days with different AQI categories in last 298 days in 2025 (67 days remaining)
Under WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2025, 53% of 298 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Monrovia, Montserrado, Liberia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
67AQI
77AQI
89AQI
124AQI
125AQI
111AQI
101AQI
85AQI
89AQI
98AQI
121AQI
110AQI
78AQI
91AQI
115AQI
71AQI
80AQI
73AQI
81AQI
78AQI
61AQI
74AQI
65AQI
71AQI
89AQI
60AQI
66AQI
65AQI
57AQI
65AQI
57AQI
53AQI
62AQI
72AQI
60AQI
63AQI
70AQI
73AQI
79AQI
85AQI
65AQI
67AQI
71AQI
74AQI
63AQI
48AQI
45AQI
49AQI
40AQI
50AQI
58AQI
55AQI
58AQI
62AQI
75AQI
73AQI
76AQI
79AQI
83AQI
73AQI
62AQI
63AQI
32AQI
35AQI
31AQI
35AQI
36AQI
29AQI
33AQI
27AQI
27AQI
38AQI
28AQI
25AQI
32AQI
33AQI
33AQI
41AQI
29AQI
25AQI
22AQI
27AQI
38AQI
60AQI
57AQI
56AQI
63AQI
53AQI
56AQI
52AQI
58AQI
45AQI
42AQI
44AQI
53AQI
58AQI
57AQI
38AQI
45AQI
38AQI
42AQI
47AQI
39AQI
36AQI
31AQI
31AQI
37AQI
38AQI
37AQI
46AQI
56AQI
28AQI
32AQI
33AQI
34AQI
33AQI
35AQI
34AQI
29AQI
37AQI
51AQI
63AQI
60AQI
59AQI
56AQI
50AQI
52AQI
46AQI
49AQI
47AQI
49AQI
41AQI
43AQI
45AQI
45AQI
37AQI
32AQI
43AQI
42AQI
41AQI
48AQI
41AQI
42AQI
49AQI
48AQI
47AQI
45AQI
45AQI
44AQI
47AQI
45AQI
49AQI
47AQI
43AQI
41AQI
43AQI
43AQI
36AQI
48AQI
44AQI
44AQI
43AQI
45AQI
35AQI
38AQI
45AQI
46AQI
45AQI
46AQI
48AQI
44AQI
44AQI
48AQI
50AQI
49AQI
49AQI
48AQI
46AQI
44AQI
45AQI
46AQI
44AQI
42AQI
46AQI
50AQI
54AQI
55AQI
52AQI
49AQI
54AQI
52AQI
51AQI
50AQI
48AQI
52AQI
57AQI
58AQI
59AQI
59AQI
52AQI
52AQI
50AQI
49AQI
49AQI
54AQI
54AQI
56AQI
55AQI
60AQI
53AQI
48AQI
46AQI
52AQI
47AQI
42AQI
45AQI
50AQI
53AQI
58AQI
60AQI
60AQI
56AQI
56AQI
55AQI
55AQI
50AQI
49AQI
52AQI
55AQI
54AQI
52AQI
53AQI
52AQI
52AQI
51AQI
46AQI
38AQI
38AQI
37AQI
43AQI
44AQI
43AQI
38AQI
37AQI
38AQI
39AQI
39AQI
45AQI
50AQI
52AQI
46AQI
41AQI
37AQI
41AQI
42AQI
46AQI
45AQI
46AQI
56AQI
57AQI
55AQI
58AQI
52AQI
54AQI
51AQI
45AQI
48AQI
45AQI
45AQI
46AQI
57AQI
102AQI
68AQI
60AQI
55AQI
66AQI
66AQI
74AQI
76AQI
71AQI
70AQI
67AQI
66AQI
63AQI
76AQI
61AQI
73AQI
67AQI
75AQI
75AQI
54AQI
36AQI
32AQI
31AQI
31AQI
35AQI
84AQI
64AQI
41AQI
41AQI
47AQI
45AQI
52AQI
50AQI
48AQI
60AQI
No. of days
202553AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
April41AQI
202455AQI
Highest AQI recorded in
December94AQI
Lowest AQI recorded in
October19AQI
202336AQI
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
October19AQI
202248AQI
Highest AQI recorded in
December63AQI
Lowest AQI recorded in
October11AQI
Most & Least Polluted Years Over the Last 4 Years
Monrovia's annual 2025 AQI (53) shows an average percentage change of 17.3% (worsened AQI) compared to previous years: 2022 (48), 2023 (36), 2024 (55).