What is the air quality trend in Kaifeng?

Over the past 20 days, Kaifeng had an average AQI of 71 based on station measurements. The worst day was 2026-06-02 with AQI 98.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

463h

PM2.5 Station

463h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	60	35–147	16.6 µg/m³	22h	2
2026-06-07	55	32–106	14.9 µg/m³	24h	2
2026-06-06	67	34–108	19.8 µg/m³	22h	3
2026-06-05	75	33–121	23.7 µg/m³	23h	3
2026-06-04	71	34–151	21.6 µg/m³	23h	2
2026-06-03	82	40–191	29.1 µg/m³	24h	3
2026-06-02	98	33–277	38.7 µg/m³	23h	3
2026-06-01	90	63–129	30.1 µg/m³	21h	2
2026-05-31	79	38–114	25.6 µg/m³	22h	2
2026-05-30	74	55–112	23.2 µg/m³	23h	3
2026-05-29	87	42–500	48.6 µg/m³	24h	2
2026-05-28	66	30–114	19.7 µg/m³	24h	2
2026-05-27	71	38–91	22.0 µg/m³	24h	2
2026-05-26	61	24–90	17.7 µg/m³	23h	3
2026-05-25	55	21–94	15.2 µg/m³	21h	2
2026-05-24	68	25–146	20.4 µg/m³	24h	2
2026-05-23	71	40–117	21.7 µg/m³	24h	2
2026-05-22	67	28–115	20.2 µg/m³	24h	2
2026-05-21	79	37–158	25.5 µg/m³	24h	2
2026-05-20	61	30–117	17.5 µg/m³	24h	2

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