What is the air quality trend in Tongliao?

Over the past 8 days, Tongliao had an average AQI of 55 based on station measurements. The worst day was 2026-07-18 with AQI 69.

How is Tongliao air quality measured?

Air quality in Tongliao 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 Tongliao, China

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

Historical PM2.5 and AQI trend from monitoring stations near Tongliao, China.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

88h

PM2.5 Station

88h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	66	57–76	19.5 µg/m³	2h	1
2026-07-21	55	25–134	16.0 µg/m³	11h	1
2026-07-20	62	20–99	18.2 µg/m³	14h	2
2026-07-19	57	12–107	17.4 µg/m³	13h	1
2026-07-18	69	30–163	22.7 µg/m³	14h	1
2026-07-17	50	19–104	13.5 µg/m³	16h	1
2026-07-16	43	20–65	10.9 µg/m³	8h	1
2026-07-15	40	15–125	11.8 µg/m³	10h	1

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