What is the air quality trend in Chengqiao?

Over the past 8 days, Chengqiao had an average AQI of 71 based on station measurements. The worst day was 2026-10-15 with AQI 86.

How is Chengqiao air quality measured?

Air quality in Chengqiao 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 Chengqiao, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 23 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	67	59–85	19.9 µg/m³	4h	19
2026-10-20	74	32–108	23.3 µg/m³	24h	16
2026-10-19	65	51–82	18.7 µg/m³	24h	15
2026-10-18	61	45–86	16.9 µg/m³	24h	17
2026-10-17	59	41–79	16.3 µg/m³	24h	15
2026-10-16	74	57–101	22.8 µg/m³	23h	16
2026-10-15	86	56–124	28.7 µg/m³	24h	14
2026-10-14	82	35–127	26.9 µg/m³	17h	9

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