What is the air quality trend in Dingcheng?

Over the past 15 days, Dingcheng had an average AQI of 66 based on station measurements. The worst day was 2026-05-21 with AQI 114.

How is Dingcheng air quality measured?

Air quality in Dingcheng 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 Dingcheng, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

228h

PM2.5 Station

228h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	59	34–99	17.1 µg/m³	7h	1
2026-05-29	72	27–102	22.6 µg/m³	15h	1
2026-05-28	66	34–105	19.4 µg/m³	20h	2
2026-05-27	76	50–118	23.8 µg/m³	16h	2
2026-05-26	67	25–157	21.2 µg/m³	16h	2
2026-05-25	58	16–157	18.2 µg/m³	13h	2
2026-05-24	60	20–91	17.4 µg/m³	16h	2
2026-05-23	66	22–292	27.2 µg/m³	17h	2
2026-05-22	57	22–122	16.2 µg/m³	14h	1
2026-05-21	114	9–414	72.4 µg/m³	14h	2
2026-05-20	73	16–353	32.6 µg/m³	18h	2
2026-05-19	58	18–154	16.6 µg/m³	20h	2
2026-05-18	60	23–89	17.1 µg/m³	20h	2
2026-05-17	50	21–78	13.6 µg/m³	16h	2
2026-05-16	59	15–137	18.6 µg/m³	6h	2

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