What is the air quality trend in Zhaotong?

Over the past 7 days, Zhaotong had an average AQI of 67 based on station measurements. The worst day was 2026-05-22 with AQI 107.

How is Zhaotong air quality measured?

Air quality in Zhaotong 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 Zhaotong, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

126h

PM2.5 Station

126h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	56	25–117	15.9 µg/m³	21h	1
2026-05-27	70	15–134	22.0 µg/m³	22h	2
2026-05-26	53	29–85	14.2 µg/m³	15h	2
2026-05-25	53	30–107	14.1 µg/m³	17h	2
2026-05-24	76	25–500	65.2 µg/m³	18h	2
2026-05-23	59	38–93	17.0 µg/m³	16h	2
2026-05-22	107	13–500	70.0 µg/m³	17h	2

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