What is the air quality trend in Chenghai?

Over the past 15 days, Chenghai had an average AQI of 53 based on station measurements. The worst day was 2026-07-26 with AQI 69.

How is Chenghai air quality measured?

Air quality in Chenghai 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 Chenghai, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

295h

PM2.5 Station

295h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	54	42–67	14.5 µg/m³	5h	2
2026-08-07	62	31–86	17.9 µg/m³	20h	3
2026-08-06	63	27–119	18.3 µg/m³	21h	3
2026-08-05	55	16–78	15.0 µg/m³	21h	4
2026-08-04	62	13–152	18.1 µg/m³	23h	4
2026-08-03	47	19–91	12.0 µg/m³	22h	4
2026-08-02	47	14–113	12.2 µg/m³	23h	3
2026-08-01	48	19–82	12.8 µg/m³	23h	3
2026-07-31	49	18–104	12.9 µg/m³	23h	3
2026-07-30	48	14–95	13.0 µg/m³	21h	3
2026-07-29	41	17–74	10.6 µg/m³	18h	3
2026-07-28	40	7–89	10.6 µg/m³	20h	2
2026-07-27	54	33–154	15.0 µg/m³	22h	3
2026-07-26	69	33–161	22.0 µg/m³	22h	3
2026-07-25	61	33–92	18.0 µg/m³	11h	3

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