What is the air quality trend in Kostanay?

Over the past 8 days, Kostanay had an average AQI of 84 based on station measurements. The worst day was 2026-07-14 with AQI 120.

How is Kostanay air quality measured?

Air quality in Kostanay 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 Kostanay, Kazakhstan

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

Historical PM2.5 and AQI trend from monitoring stations near Kostanay, Kazakhstan.

159

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

138h

PM2.5 Station

138h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	109	45–190	50.0 µg/m³	54.9	18h	1
2026-07-20	69	56–117	20.4 µg/m³	23.7	20h	1
2026-07-19	71	53–104	21.3 µg/m³	23.1	20h	1
2026-07-18	64	30–95	19.0 µg/m³	22.2	20h	1
2026-07-17	87	62–172	30.2 µg/m³	34.7	19h	1
2026-07-16	76	66–87	23.8 µg/m³	27.6	20h	1
2026-07-15	82	61–118	26.6 µg/m³	29.0	20h	1
2026-07-14	120	120–120	43.2 µg/m³	49.7	1h	1

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