What is the air quality trend in Ngong?

Over the past 9 days, Ngong had an average AQI of 100 based on station measurements. The worst day was 2026-07-17 with AQI 117.

How is Ngong air quality measured?

Air quality in Ngong 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 Ngong, Kenya

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

187h

PM2.5 Station

187h · 15 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	106	65–159	38.0 µg/m³	19h	25
2026-07-20	103	54–154	36.0 µg/m³	23h	21
2026-07-19	108	59–160	38.9 µg/m³	23h	27
2026-07-18	104	79–156	36.9 µg/m³	22h	30
2026-07-17	117	59–175	43.5 µg/m³	23h	26
2026-07-16	102	66–157	36.4 µg/m³	21h	36
2026-07-15	96	67–146	33.0 µg/m³	24h	31
2026-07-14	88	60–156	29.6 µg/m³	22h	23
2026-07-13	77	55–140	23.9 µg/m³	10h	3

Back to Ngong Air Quality