Nairobi, Nairobi City, Kenya 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
Nairobi, Nairobi City, Kenya
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Nairobi, Nairobi City, Kenya
6 AM1st Aug 2025
6 PM
5 AM2nd Aug 2025
79AQI
59AQI
72AQI
61AQI
In the last 24 hours,
Nairobi's AQI reached its highest point of 79 at 6 PM during the Day, while the lowest point, 59, was recorded at 7 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nairobi, Nairobi City, Kenya
17°C14/20°C
17°C14/22°C
17°C15/21°C
17°C14/22°C
17°C15/22°C
17°C14/20°C
16°C14/20°C
17°C14/21°C
17°C14/21°C
17°C13/21°C
17°C14/21°C
17°C13/22°C
18°C12/23°C
17°C13/20°C
17°C13/23°C
17°C13/21°C
18°C13/24°C
17°C12/22°C
18°C12/24°C
18°C12/25°C
17°C14/22°C
18°C12/24°C
19°C12/27°C
18°C12/25°C
18°C12/25°C
18°C12/25°C
17°C13/24°C
17°C11/24°C
18°C12/25°C
17°C13/22°C
--°C/°C
57AQI
57AQI
61AQI
55AQI
2025 Days Vs Air Quality
Nairobi, Nairobi City, Kenya
19%
41
73%
156
8%
16
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 19%
Health Risk Level:
Extreme
In 2025, 19% of 214 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
Nairobi, Nairobi City, Kenya
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
90AQI
74AQI
87AQI
99AQI
90AQI
118AQI
113AQI
127AQI
134AQI
136AQI
111AQI
106AQI
117AQI
104AQI
115AQI
107AQI
103AQI
100AQI
73AQI
64AQI
72AQI
79AQI
99AQI
98AQI
94AQI
95AQI
118AQI
115AQI
78AQI
72AQI
71AQI
68AQI
66AQI
68AQI
74AQI
71AQI
67AQI
71AQI
100AQI
85AQI
101AQI
110AQI
78AQI
81AQI
56AQI
62AQI
66AQI
70AQI
66AQI
71AQI
70AQI
60AQI
64AQI
62AQI
66AQI
74AQI
74AQI
65AQI
68AQI
71AQI
65AQI
70AQI
71AQI
55AQI
54AQI
54AQI
50AQI
46AQI
48AQI
57AQI
53AQI
64AQI
92AQI
95AQI
94AQI
93AQI
84AQI
82AQI
96AQI
82AQI
76AQI
70AQI
67AQI
67AQI
66AQI
73AQI
74AQI
73AQI
74AQI
66AQI
69AQI
73AQI
75AQI
69AQI
62AQI
58AQI
65AQI
73AQI
70AQI
66AQI
70AQI
67AQI
59AQI
61AQI
61AQI
61AQI
62AQI
58AQI
61AQI
61AQI
59AQI
58AQI
57AQI
61AQI
59AQI
61AQI
61AQI
62AQI
63AQI
61AQI
49AQI
46AQI
47AQI
44AQI
47AQI
51AQI
54AQI
48AQI
48AQI
46AQI
47AQI
53AQI
46AQI
49AQI
47AQI
50AQI
53AQI
54AQI
48AQI
41AQI
45AQI
48AQI
42AQI
46AQI
43AQI
50AQI
52AQI
46AQI
39AQI
44AQI
44AQI
43AQI
42AQI
49AQI
47AQI
46AQI
43AQI
43AQI
40AQI
38AQI
44AQI
49AQI
51AQI
52AQI
59AQI
55AQI
52AQI
53AQI
51AQI
52AQI
56AQI
62AQI
56AQI
60AQI
59AQI
55AQI
51AQI
49AQI
51AQI
52AQI
52AQI
52AQI
54AQI
51AQI
50AQI
51AQI
56AQI
53AQI
54AQI
53AQI
53AQI
55AQI
57AQI
55AQI
55AQI
58AQI
60AQI
61AQI
60AQI
60AQI
62AQI
64AQI
63AQI
63AQI
62AQI
61AQI
61AQI
61AQI
58AQI
55AQI
57AQI
65AQI
67AQI
99AQI
73AQI
70AQI
63AQI
47AQI
50AQI
57AQI
67AQI
No. of days
202566AQI
Highest AQI recorded in
January99AQI
Lowest AQI recorded in
May47AQI
202450AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
April23AQI
202345AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
April19AQI
202259AQI
Highest AQI recorded in
August78AQI
Lowest AQI recorded in
November45AQI
Most & Least Polluted Years Over the Last 4 Years
Nairobi's annual 2025 AQI (66) shows an average percentage change of 30.1% (worsened AQI) compared to previous years: 2022 (59), 2023 (45), 2024 (50).