What is the air quality trend in Chóngfú?

Over the past 8 days, Chóngfú had an average AQI of 68 based on station measurements. The worst day was 2026-10-15 with AQI 98.

How is Chóngfú air quality measured?

Air quality in Chóngfú 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 Chóngfú, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 20 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	26	22–30	6.2 µg/m³	—	2h	20
2026-10-20	64	23–118	19.6 µg/m³	13.2	24h	16
2026-10-19	92	67–129	31.3 µg/m³	15.7	24h	17
2026-10-18	61	32–77	17.3 µg/m³	14.6	24h	18
2026-10-17	59	32–83	16.1 µg/m³	11.5	24h	17
2026-10-16	70	38–99	21.4 µg/m³	8.9	24h	16
2026-10-15	98	75–151	33.8 µg/m³	11.7	24h	17
2026-10-14	74	46–147	23.1 µg/m³	17.7	19h	6

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