What is the air quality trend in Changyi?

Over the past 7 days, Changyi had an average AQI of 72 based on station measurements. The worst day was 2026-10-15 with AQI 106.

How is Changyi air quality measured?

Air quality in Changyi 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 Changyi, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	65	18–117	20.3 µg/m³	23h	4
2026-10-19	70	46–100	21.4 µg/m³	24h	4
2026-10-18	53	28–106	14.6 µg/m³	24h	4
2026-10-17	50	24–77	12.9 µg/m³	24h	3
2026-10-16	77	35–159	24.6 µg/m³	24h	4
2026-10-15	106	54–157	37.7 µg/m³	24h	4
2026-10-14	85	38–126	28.1 µg/m³	22h	3

Back to Changyi Air Quality