What is the air quality trend in Tangshan?

Over the past 8 days, Tangshan had an average AQI of 57 based on station measurements. The worst day was 2026-07-21 with AQI 74.

How is Tangshan air quality measured?

Air quality in Tangshan 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 Tangshan, China

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

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

129

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

155h

PM2.5 Station

155h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	32	32–32	7.6 µg/m³	1h	2
2026-07-21	74	38–120	23.1 µg/m³	22h	3
2026-07-20	68	35–91	20.3 µg/m³	23h	4
2026-07-19	66	36–117	19.6 µg/m³	23h	3
2026-07-18	62	42–102	17.5 µg/m³	22h	4
2026-07-17	55	42–73	14.1 µg/m³	23h	4
2026-07-16	57	25–109	15.8 µg/m³	22h	4
2026-07-15	42	15–59	10.4 µg/m³	19h	3

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