What is the air quality trend in Zhengzhou?

Over the past 15 days, Zhengzhou had an average AQI of 53 based on station measurements. The worst day was 2026-07-22 with AQI 62.

How is Zhengzhou air quality measured?

Air quality in Zhengzhou 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 Zhengzhou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

247h

PM2.5 Station

247h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	62	62–62	17.1 µg/m³	1h	2
2026-07-21	51	8–147	15.5 µg/m³	19h	2
2026-07-20	55	2–129	16.1 µg/m³	12h	2
2026-07-19	51	18–164	16.1 µg/m³	13h	2
2026-07-18	49	7–115	14.5 µg/m³	14h	2
2026-07-17	57	18–96	16.2 µg/m³	21h	2
2026-07-16	56	35–87	15.5 µg/m³	10h	2
2026-07-15	56	25–119	16.0 µg/m³	17h	2
2026-07-14	55	34–80	15.2 µg/m³	21h	2
2026-07-13	43	12–74	11.5 µg/m³	17h	2
2026-07-12	54	11–87	14.8 µg/m³	21h	2
2026-07-11	48	16–81	12.2 µg/m³	17h	3
2026-07-10	60	25–97	17.0 µg/m³	22h	2
2026-07-09	55	35–81	14.8 µg/m³	19h	2
2026-07-08	55	14–93	15.8 µg/m³	23h	2

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