What is the air quality trend in Qinhuangdao?

Over the past 21 days, Qinhuangdao had an average AQI of 67 based on station measurements. The worst day was 2026-08-19 with AQI 86.

How is Qinhuangdao air quality measured?

Air quality in Qinhuangdao 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 Qinhuangdao, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	75	59–95	23.4 µg/m³	8h	4
2026-09-04	75	45–144	23.1 µg/m³	23h	4
2026-09-03	69	42–103	20.6 µg/m³	22h	4
2026-09-02	57	40–77	15.4 µg/m³	24h	4
2026-09-01	54	36–79	14.2 µg/m³	24h	5
2026-08-31	57	24–75	15.7 µg/m³	23h	4
2026-08-30	66	28–126	19.5 µg/m³	24h	4
2026-08-29	74	48–123	22.9 µg/m³	24h	5
2026-08-28	54	31–90	14.5 µg/m³	24h	4
2026-08-27	59	26–80	16.6 µg/m³	24h	4
2026-08-26	62	43–110	17.8 µg/m³	24h	4
2026-08-25	57	37–109	15.6 µg/m³	22h	4
2026-08-24	62	30–99	17.9 µg/m³	24h	3
2026-08-23	69	40–94	21.0 µg/m³	24h	4
2026-08-22	63	28–93	18.2 µg/m³	23h	4
2026-08-21	74	41–135	23.0 µg/m³	23h	4
2026-08-20	86	50–135	28.6 µg/m³	23h	4
2026-08-19	86	58–131	28.4 µg/m³	23h	5
2026-08-18	83	46–129	27.0 µg/m³	23h	3
2026-08-17	71	46–102	21.8 µg/m³	24h	4
2026-08-16	64	46–79	18.6 µg/m³	12h	4

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