What is the air quality trend in Tanzhou?

Over the past 8 days, Tanzhou had an average AQI of 70 based on station measurements. The worst day was 2026-05-21 with AQI 148.

How is Tanzhou air quality measured?

Air quality in Tanzhou 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 Tanzhou, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	60	44–68	16.3 µg/m³	22h	39
2026-05-27	61	55–68	16.8 µg/m³	24h	39
2026-05-26	56	49–65	14.5 µg/m³	24h	42
2026-05-25	55	49–75	14.1 µg/m³	24h	41
2026-05-24	57	46–65	14.8 µg/m³	24h	41
2026-05-23	60	47–71	16.3 µg/m³	24h	39
2026-05-22	65	53–162	19.4 µg/m³	24h	40
2026-05-21	148	148–148	54.4 µg/m³	1h	38

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