What is the air quality trend in Chonglong?

Over the past 8 days, Chonglong had an average AQI of 67 based on station measurements. The worst day was 2026-06-02 with AQI 86.

How is Chonglong air quality measured?

Air quality in Chonglong 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 Chonglong, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	57	49–68	14.9 µg/m³	7h	4
2026-06-08	52	36–71	13.4 µg/m³	24h	5
2026-06-07	56	34–87	14.7 µg/m³	24h	5
2026-06-06	64	42–92	18.2 µg/m³	24h	4
2026-06-05	78	55–115	24.9 µg/m³	24h	5
2026-06-04	67	49–89	19.7 µg/m³	24h	5
2026-06-03	82	49–232	30.5 µg/m³	24h	5
2026-06-02	86	45–105	28.6 µg/m³	16h	5

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