What is the air quality trend in Hulan Ergi?

Over the past 7 days, Hulan Ergi had an average AQI of 66 based on station measurements. The worst day was 2026-06-02 with AQI 92.

How is Hulan Ergi air quality measured?

Air quality in Hulan Ergi 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 Hulan Ergi, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	48	15–74	12.7 µg/m³	22h	3
2026-06-07	49	20–77	13.0 µg/m³	23h	3
2026-06-06	67	13–127	20.2 µg/m³	24h	3
2026-06-05	73	31–105	22.8 µg/m³	23h	3
2026-06-04	70	48–107	21.1 µg/m³	23h	3
2026-06-03	67	37–135	20.0 µg/m³	22h	2
2026-06-02	92	47–143	31.4 µg/m³	24h	3

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