What is the air quality trend in Zhoukou?

Over the past 21 days, Zhoukou had an average AQI of 65 based on station measurements. The worst day was 2026-05-22 with AQI 99.

How is Zhoukou air quality measured?

Air quality in Zhoukou 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 Zhoukou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

394h

PM2.5 Station

394h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	56	25–77	15.2 µg/m³	10h	2
2026-05-28	63	28–90	18.0 µg/m³	21h	2
2026-05-27	66	34–119	19.8 µg/m³	20h	2
2026-05-26	61	18–97	17.8 µg/m³	21h	2
2026-05-25	56	25–107	15.4 µg/m³	20h	2
2026-05-24	62	40–112	17.6 µg/m³	18h	2
2026-05-23	58	29–99	16.7 µg/m³	22h	2
2026-05-22	99	30–500	82.5 µg/m³	20h	2
2026-05-21	68	13–121	20.8 µg/m³	23h	2
2026-05-20	62	25–127	17.9 µg/m³	20h	2
2026-05-19	62	29–93	17.7 µg/m³	22h	2
2026-05-18	54	24–117	14.9 µg/m³	17h	2
2026-05-17	48	13–98	12.9 µg/m³	20h	2
2026-05-16	66	20–117	20.4 µg/m³	15h	2
2026-05-15	67	16–122	20.5 µg/m³	23h	2
2026-05-14	67	42–153	20.0 µg/m³	21h	2
2026-05-13	65	33–107	19.2 µg/m³	21h	2
2026-05-12	84	56–134	27.5 µg/m³	20h	2
2026-05-11	77	32–111	24.5 µg/m³	18h	2
2026-05-10	76	50–113	23.8 µg/m³	15h	2
2026-05-09	61	46–84	17.1 µg/m³	7h	2

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