What is the air quality trend in Tongxi?

Over the past 8 days, Tongxi had an average AQI of 58 based on station measurements. The worst day was 2026-07-20 with AQI 66.

How is Tongxi air quality measured?

Air quality in Tongxi 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 Tongxi, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 16 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	64	48–77	18.3 µg/m³	21h	11
2026-07-20	66	54–100	18.9 µg/m³	23h	12
2026-07-19	63	53–85	17.9 µg/m³	24h	12
2026-07-18	63	45–118	17.7 µg/m³	24h	12
2026-07-17	55	42–71	14.4 µg/m³	24h	14
2026-07-16	54	37–68	14.2 µg/m³	24h	12
2026-07-15	46	25–58	11.2 µg/m³	24h	12
2026-07-14	54	48–61	13.7 µg/m³	3h	10

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