What is the air quality trend in Tangjiazhuang?

Over the past 15 days, Tangjiazhuang had an average AQI of 94 based on station measurements. The worst day was 2026-10-11 with AQI 144.

How is Tangjiazhuang air quality measured?

Air quality in Tangjiazhuang 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 Tangjiazhuang, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

321h

PM2.5 Station

321h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	22	17–31	5.4 µg/m³	4h	3
2026-10-20	77	18–155	25.5 µg/m³	24h	3
2026-10-19	68	32–98	20.3 µg/m³	24h	3
2026-10-18	49	23–74	12.9 µg/m³	23h	4
2026-10-17	52	27–108	14.1 µg/m³	24h	3
2026-10-16	95	39–168	33.9 µg/m³	21h	3
2026-10-15	127	78–163	49.7 µg/m³	21h	3
2026-10-14	97	40–127	33.3 µg/m³	23h	3
2026-10-13	89	32–165	31.4 µg/m³	24h	4
2026-10-12	138	64–185	58.1 µg/m³	24h	3
2026-10-11	144	110–168	60.2 µg/m³	24h	3
2026-10-10	129	83–162	49.1 µg/m³	24h	4
2026-10-09	118	69–164	44.1 µg/m³	23h	3
2026-10-08	110	50–169	41.7 µg/m³	21h	1
2026-10-07	109	69–164	40.4 µg/m³	17h	2

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