What is the air quality trend in Siaya?

Over the past 7 days, Siaya had an average AQI of 94 based on station measurements. The worst day was 2026-07-21 with AQI 101.

How is Siaya air quality measured?

Air quality in Siaya 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 Siaya, Kenya

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

92h

PM2.5 Station

92h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	101	59–177	39.8 µg/m³	11h	2
2026-07-20	83	35–180	30.8 µg/m³	11h	2
2026-07-19	97	41–180	38.5 µg/m³	13h	2
2026-07-18	97	36–173	36.6 µg/m³	15h	2
2026-07-17	100	62–156	34.9 µg/m³	13h	2
2026-07-16	90	53–159	30.5 µg/m³	16h	2
2026-07-15	94	56–170	34.1 µg/m³	13h	2

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