What is the air quality trend in Longhua?

Over the past 15 days, Longhua had an average AQI of 77 based on station measurements. The worst day was 2026-10-13 with AQI 100.

How is Longhua air quality measured?

Air quality in Longhua 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 Longhua, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 15 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	44	44–44	10.5 µg/m³	1h	15
2026-10-20	66	35–91	19.6 µg/m³	24h	22
2026-10-19	65	49–73	18.5 µg/m³	24h	23
2026-10-18	55	34–95	14.7 µg/m³	24h	18
2026-10-17	50	27–70	12.6 µg/m³	24h	20
2026-10-16	81	63–129	26.0 µg/m³	23h	21
2026-10-15	95	37–158	33.2 µg/m³	24h	20
2026-10-14	92	63–155	31.6 µg/m³	24h	20
2026-10-13	100	62–129	34.8 µg/m³	24h	24
2026-10-12	90	71–105	30.5 µg/m³	24h	24
2026-10-11	89	71–141	29.8 µg/m³	24h	23
2026-10-10	86	67–119	28.5 µg/m³	24h	23
2026-10-09	84	62–108	27.7 µg/m³	24h	30
2026-10-08	87	68–115	29.0 µg/m³	24h	48
2026-10-07	80	64–95	25.9 µg/m³	20h	43

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