What is the air quality trend in Erlang?

Over the past 3 days, Erlang had an average AQI of 65 based on station measurements. The worst day was 2026-07-21 with AQI 68.

How is Erlang air quality measured?

Air quality in Erlang 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 Erlang, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

43h

PM2.5 Station

43h · 4 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	68	39–96	20.1 µg/m³	20h	4
2026-07-20	66	26–91	19.8 µg/m³	22h	4
2026-07-19	61	61–61	17.0 µg/m³	1h	3

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