What is the air quality trend in Huilong?

Over the past 15 days, Huilong had an average AQI of 65 based on station measurements. The worst day was 2026-06-02 with AQI 86.

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

333h

PM2.5 Station

333h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	44	32–58	10.9 µg/m³	5h	3
2026-06-08	49	28–79	12.7 µg/m³	24h	3
2026-06-07	58	34–87	16.0 µg/m³	24h	4
2026-06-06	67	23–110	19.8 µg/m³	23h	4
2026-06-05	65	42–91	19.0 µg/m³	24h	3
2026-06-04	69	38–124	20.8 µg/m³	24h	3
2026-06-03	73	40–138	22.6 µg/m³	24h	3
2026-06-02	86	49–155	28.7 µg/m³	24h	4
2026-06-01	83	44–141	27.1 µg/m³	23h	3
2026-05-31	72	32–110	22.4 µg/m³	24h	3
2026-05-30	73	41–110	22.5 µg/m³	24h	3
2026-05-29	61	20–87	17.7 µg/m³	24h	3
2026-05-28	59	39–78	16.4 µg/m³	24h	3
2026-05-27	64	45–121	18.4 µg/m³	24h	3
2026-05-26	63	25–103	18.2 µg/m³	18h	3

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