What is the air quality trend in Huilong?

Over the past 7 days, Huilong had an average AQI of 66 based on station measurements. The worst day was 2026-06-02 with AQI 87.

How is Huilong air quality measured?

Air quality in Huilong 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 Huilong, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	51	36–68	13.1 µg/m³	24h	5
2026-06-07	60	44–77	16.4 µg/m³	24h	5
2026-06-06	64	36–80	18.5 µg/m³	24h	5
2026-06-05	67	48–86	19.9 µg/m³	24h	5
2026-06-04	70	50–100	21.2 µg/m³	24h	5
2026-06-03	68	53–88	20.2 µg/m³	24h	5
2026-06-02	87	60–132	29.0 µg/m³	23h	5

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