Nairobi, Nairobi County, 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 County, Kenya
AQI Trends: Highest and Lowest
Same Day Analysis (NaNth undefined ):
On this day, AQI across the 0 years varied significantly: 2025 ranks 1st highest AQI at 0 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Nairobi, Nairobi County, Kenya
21%
26
79%
100
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 213 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
Nairobi, Nairobi County, Kenya
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
75AQI
74AQI
75AQI
66AQI
71AQI
74AQI
75AQI
69AQI
61AQI
57AQI
67AQI
74AQI
69AQI
67AQI
72AQI
68AQI
59AQI
61AQI
61AQI
61AQI
64AQI
60AQI
62AQI
61AQI
58AQI
60AQI
56AQI
60AQI
60AQI
63AQI
61AQI
64AQI
64AQI
62AQI
50AQI
49AQI
51AQI
49AQI
49AQI
50AQI
56AQI
49AQI
52AQI
51AQI
48AQI
56AQI
49AQI
51AQI
51AQI
52AQI
55AQI
56AQI
51AQI
45AQI
49AQI
50AQI
46AQI
50AQI
47AQI
53AQI
57AQI
50AQI
42AQI
47AQI
47AQI
45AQI
47AQI
53AQI
53AQI
49AQI
45AQI
45AQI
40AQI
42AQI
46AQI
51AQI
54AQI
53AQI
66AQI
56AQI
56AQI
55AQI
54AQI
54AQI
58AQI
62AQI
60AQI
62AQI
61AQI
57AQI
54AQI
53AQI
54AQI
54AQI
54AQI
54AQI
59AQI
54AQI
53AQI
54AQI
57AQI
55AQI
55AQI
53AQI
55AQI
56AQI
58AQI
56AQI
56AQI
59AQI
61AQI
61AQI
61AQI
60AQI
62AQI
63AQI
63AQI
62AQI
62AQI
62AQI
61AQI
60AQI
58AQI
55AQI
57AQI
72AQI
64AQI
50AQI
53AQI
58AQI
No. of days
202557AQI
Highest AQI recorded in
March72AQI
Lowest AQI recorded in
May50AQI
Most & Least Polluted Years Over the Last 1 Years
Nairobi's annual 2025 AQI (57) shows an average percentage change of NaN% (improved AQI) compared to previous years: .