What is the air quality trend in Zhangjiakou?

Over the past 20 days, Zhangjiakou had an average AQI of 70 based on station measurements. The worst day was 2026-06-02 with AQI 96.

How is Zhangjiakou air quality measured?

Air quality in Zhangjiakou 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 Zhangjiakou, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

462h

PM2.5 Station

462h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	60	45–85	16.4 µg/m³	22h	4
2026-06-07	58	36–83	15.8 µg/m³	24h	4
2026-06-06	55	30–85	14.6 µg/m³	24h	3
2026-06-05	72	50–219	25.2 µg/m³	24h	4
2026-06-04	71	42–125	21.8 µg/m³	23h	4
2026-06-03	85	59–124	27.9 µg/m³	24h	4
2026-06-02	96	65–135	32.8 µg/m³	24h	5
2026-06-01	85	63–113	28.0 µg/m³	23h	4
2026-05-31	80	51–102	25.8 µg/m³	21h	3
2026-05-30	80	55–113	25.8 µg/m³	22h	3
2026-05-29	66	53–88	19.3 µg/m³	23h	4
2026-05-28	63	48–82	17.7 µg/m³	21h	4
2026-05-27	71	50–157	21.8 µg/m³	23h	4
2026-05-26	56	26–71	14.9 µg/m³	23h	4
2026-05-25	61	25–117	17.3 µg/m³	23h	4
2026-05-24	68	39–119	20.3 µg/m³	24h	4
2026-05-23	83	46–114	27.0 µg/m³	24h	4
2026-05-22	64	22–99	18.9 µg/m³	23h	4
2026-05-21	73	27–105	22.7 µg/m³	24h	4
2026-05-20	58	34–79	15.8 µg/m³	23h	3

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