What is the air quality trend in Kaifeng?

Over the past 14 days, Kaifeng had an average AQI of 59 based on station measurements. The worst day was 2026-07-19 with AQI 82.

How is Kaifeng air quality measured?

Air quality in Kaifeng 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 Kaifeng, China

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

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

122

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

314h

PM2.5 Station

314h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	65	17–91	19.5 µg/m³	18h	2
2026-07-20	70	37–142	21.3 µg/m³	21h	2
2026-07-19	82	56–112	26.6 µg/m³	24h	2
2026-07-18	67	36–117	20.0 µg/m³	24h	2
2026-07-17	52	22–89	13.8 µg/m³	23h	2
2026-07-16	55	30–112	15.1 µg/m³	22h	2
2026-07-15	55	21–108	15.6 µg/m³	21h	2
2026-07-14	50	18–119	13.4 µg/m³	22h	1
2026-07-13	56	11–107	15.6 µg/m³	24h	1
2026-07-12	50	13–68	13.1 µg/m³	24h	2
2026-07-11	52	13–76	14.0 µg/m³	21h	1
2026-07-10	62	13–153	18.3 µg/m³	23h	2
2026-07-09	54	25–97	15.3 µg/m³	23h	1
2026-07-08	58	30–97	16.5 µg/m³	24h	1

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