What is the air quality trend in Huankou?

Over the past 21 days, Huankou had an average AQI of 61 based on station measurements. The worst day was 2026-09-05 with AQI 79.

How is Huankou air quality measured?

Air quality in Huankou 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 Huankou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	79	45–155	25.5 µg/m³	21h	3
2026-09-04	77	45–177	26.0 µg/m³	24h	3
2026-09-03	69	25–95	21.0 µg/m³	24h	3
2026-09-02	63	38–96	18.2 µg/m³	24h	3
2026-09-01	57	28–157	16.3 µg/m³	24h	3
2026-08-31	53	32–76	14.1 µg/m³	24h	3
2026-08-30	61	35–80	16.9 µg/m³	23h	3
2026-08-29	60	35–85	17.0 µg/m³	24h	3
2026-08-28	51	31–65	13.1 µg/m³	24h	3
2026-08-27	62	38–87	17.5 µg/m³	24h	3
2026-08-26	59	28–87	16.7 µg/m³	24h	3
2026-08-25	55	34–98	14.7 µg/m³	24h	3
2026-08-24	57	29–117	15.7 µg/m³	24h	3
2026-08-23	54	20–88	14.9 µg/m³	24h	3
2026-08-22	62	27–102	17.8 µg/m³	24h	4
2026-08-21	59	22–151	17.0 µg/m³	24h	3
2026-08-20	68	34–108	20.3 µg/m³	24h	3
2026-08-19	76	41–108	23.9 µg/m³	24h	3
2026-08-18	73	46–129	22.6 µg/m³	24h	3
2026-08-17	69	38–105	20.9 µg/m³	24h	3
2026-08-16	37	37–37	8.8 µg/m³	1h	3

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