What is the air quality trend in Longshan?

Over the past 15 days, Longshan had an average AQI of 52 based on station measurements. The worst day was 2026-08-05 with AQI 78.

How is Longshan air quality measured?

Air quality in Longshan 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 Longshan, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

230h

PM2.5 Station

230h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	30	25–34	7.1 µg/m³	2h	1
2026-08-07	55	21–93	15.2 µg/m³	15h	1
2026-08-06	75	38–119	23.9 µg/m³	13h	2
2026-08-05	78	34–132	24.9 µg/m³	10h	2
2026-08-04	45	16–81	11.7 µg/m³	18h	1
2026-08-03	45	21–118	12.5 µg/m³	18h	1
2026-08-02	48	16–78	12.9 µg/m³	15h	2
2026-08-01	50	21–117	13.8 µg/m³	21h	2
2026-07-31	49	21–89	13.4 µg/m³	22h	2
2026-07-30	55	13–107	15.7 µg/m³	18h	1
2026-07-29	51	17–110	14.9 µg/m³	16h	2
2026-07-28	41	8–86	11.1 µg/m³	14h	2
2026-07-27	51	22–89	14.3 µg/m³	17h	2
2026-07-26	74	25–458	39.2 µg/m³	17h	1
2026-07-25	47	9–72	12.2 µg/m³	14h	2

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