What is the air quality trend in Hancheng?

Over the past 15 days, Hancheng had an average AQI of 66 based on station measurements. The worst day was 2026-05-21 with AQI 86.

How is Hancheng air quality measured?

Air quality in Hancheng 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 Hancheng, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

309h

PM2.5 Station

309h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	70	46–124	21.2 µg/m³	16h	2
2026-05-28	64	30–122	19.0 µg/m³	23h	2
2026-05-27	67	42–100	19.9 µg/m³	22h	2
2026-05-26	61	38–78	17.3 µg/m³	23h	3
2026-05-25	66	28–141	19.5 µg/m³	22h	3
2026-05-24	63	24–122	18.7 µg/m³	24h	2
2026-05-23	66	34–107	19.5 µg/m³	23h	2
2026-05-22	74	50–149	22.9 µg/m³	24h	2
2026-05-21	86	38–500	44.0 µg/m³	23h	2
2026-05-20	60	22–92	16.9 µg/m³	22h	2
2026-05-19	52	13–76	14.6 µg/m³	23h	2
2026-05-18	63	25–154	18.4 µg/m³	19h	2
2026-05-17	55	24–107	15.6 µg/m³	19h	2
2026-05-16	71	54–90	21.4 µg/m³	19h	3
2026-05-15	85	27–135	28.6 µg/m³	7h	2

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