What is the air quality trend in Nairobi?

Over the past 11 days, Nairobi had an average AQI of 76 based on station measurements. The worst day was 2026-05-30 with AQI 109.

How is Nairobi air quality measured?

Air quality in Nairobi is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Nairobi, Kenya

Name: Nairobi Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Nairobi, Kenya.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

180h

PM2.5 Station

180h · 57 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-06	76	41–154	24.3 µg/m³	18h	33
2026-06-05	88	48–155	29.1 µg/m³	23h	19
2026-06-04	76	51–146	23.5 µg/m³	22h	40
2026-06-03	76	48–112	23.9 µg/m³	17h	19
2026-06-02	72	44–153	22.1 µg/m³	22h	41
2026-06-01	69	36–130	20.7 µg/m³	14h	15
2026-05-31	62	32–88	18.7 µg/m³	3h	1
2026-05-30	109	81–134	38.3 µg/m³	6h	16
2026-05-29	77	53–129	24.2 µg/m³	20h	16
2026-05-28	70	52–119	20.9 µg/m³	15h	14
2026-05-27	68	51–125	20.2 µg/m³	20h	17

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