What is the air quality trend in Langao Chengguanzhen?

Over the past 15 days, Langao Chengguanzhen had an average AQI of 65 based on station measurements. The worst day was 2026-05-21 with AQI 92.

How is Langao Chengguanzhen air quality measured?

Air quality in Langao Chengguanzhen 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 Langao Chengguanzhen, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

322h

PM2.5 Station

322h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	54	27–71	14.4 µg/m³	16h	5
2026-05-28	64	40–97	18.5 µg/m³	24h	4
2026-05-27	68	50–89	20.4 µg/m³	24h	5
2026-05-26	69	39–172	21.8 µg/m³	23h	5
2026-05-25	59	37–87	16.2 µg/m³	23h	6
2026-05-24	70	36–160	21.7 µg/m³	24h	4
2026-05-23	63	30–97	18.4 µg/m³	24h	5
2026-05-22	70	38–125	21.4 µg/m³	24h	5
2026-05-21	92	44–472	46.9 µg/m³	22h	6
2026-05-20	64	22–172	20.1 µg/m³	23h	4
2026-05-19	70	31–171	23.4 µg/m³	23h	5
2026-05-18	54	22–90	15.0 µg/m³	23h	4
2026-05-17	53	29–107	14.4 µg/m³	23h	4
2026-05-16	56	26–87	15.6 µg/m³	19h	6
2026-05-15	76	46–143	23.6 µg/m³	7h	4

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