What is the air quality trend in Topki?

Over the past 7 days, Topki had an average AQI of 57 based on station measurements. The worst day was 2026-07-20 with AQI 93.

How is Topki air quality measured?

Air quality in Topki 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 Topki, Russia

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

Historical PM2.5 and AQI trend from monitoring stations near Topki, Russia.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

151h

PM2.5 Station

151h · 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	81	62–141	26.1 µg/m³	36.5	22h	1
2026-07-20	93	40–157	32.1 µg/m³	56.8	24h	1
2026-07-19	65	29–113	20.0 µg/m³	37.4	24h	1
2026-07-18	25	13–55	6.0 µg/m³	11.0	24h	1
2026-07-17	54	18–75	14.5 µg/m³	28.3	24h	1
2026-07-16	42	23–63	10.6 µg/m³	18.8	24h	1
2026-07-15	39	22–61	9.8 µg/m³	16.6	9h	1

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