What is the air quality trend in Longchi?

Over the past 20 days, Longchi had an average AQI of 61 based on station measurements. The worst day was 2026-06-01 with AQI 83.

How is Longchi air quality measured?

Air quality in Longchi 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 Longchi, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

353h

PM2.5 Station

353h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	38	12–76	9.8 µg/m³	17h	2
2026-06-07	48	22–74	12.3 µg/m³	23h	2
2026-06-06	63	23–144	19.5 µg/m³	17h	2
2026-06-05	63	22–127	19.0 µg/m³	20h	2
2026-06-04	70	30–110	22.0 µg/m³	18h	3
2026-06-03	65	18–118	19.8 µg/m³	20h	2
2026-06-02	75	29–144	23.5 µg/m³	21h	2
2026-06-01	83	50–152	27.2 µg/m³	15h	2
2026-05-31	74	34–113	23.0 µg/m³	19h	2
2026-05-30	75	38–102	23.8 µg/m³	17h	2
2026-05-29	65	22–129	19.3 µg/m³	18h	2
2026-05-28	63	30–117	18.4 µg/m³	14h	2
2026-05-27	62	36–112	17.9 µg/m³	12h	2
2026-05-26	53	32–75	14.0 µg/m³	19h	2
2026-05-25	53	34–85	14.1 µg/m³	15h	2
2026-05-24	54	29–80	14.7 µg/m³	15h	2
2026-05-23	48	29–80	12.7 µg/m³	17h	2
2026-05-22	63	21–142	19.0 µg/m³	18h	2
2026-05-21	68	33–319	29.0 µg/m³	18h	2
2026-05-20	56	13–107	16.3 µg/m³	20h	2

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