What is the air quality trend in Kostanay?

Over the past 8 days, Kostanay had an average AQI of 85 based on station measurements. The worst day was 2026-05-21 with AQI 128.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

150h

PM2.5 Station

150h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	57	45–71	15.2 µg/m³	21.0	21h	1
2026-05-27	66	39–87	19.3 µg/m³	30.1	22h	1
2026-05-26	75	52–147	23.1 µg/m³	31.4	22h	1
2026-05-25	90	48–161	31.0 µg/m³	41.3	20h	1
2026-05-24	113	80–180	42.4 µg/m³	52.4	22h	1
2026-05-23	82	50–117	26.6 µg/m³	35.2	21h	1
2026-05-22	73	39–151	22.3 µg/m³	31.6	21h	1
2026-05-21	128	128–128	46.5 µg/m³	64.2	1h	1

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