What is the air quality trend in Jian’ou?

Over the past 15 days, Jian’ou had an average AQI of 58 based on station measurements. The worst day was 2026-05-21 with AQI 79.

How is Jian’ou air quality measured?

Air quality in Jian’ou 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 Jian’ou, China

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

Historical PM2.5 and AQI trend from monitoring stations near Jian’ou, China.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

313h

PM2.5 Station

313h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	61	47–71	16.9 µg/m³	5h	4
2026-05-29	59	22–91	17.1 µg/m³	21h	3
2026-05-28	59	41–93	16.2 µg/m³	24h	3
2026-05-27	62	22–108	18.0 µg/m³	22h	3
2026-05-26	57	22–94	15.8 µg/m³	22h	4
2026-05-25	47	6–62	11.7 µg/m³	24h	4
2026-05-24	59	13–98	16.7 µg/m³	24h	3
2026-05-23	69	45–109	20.9 µg/m³	23h	3
2026-05-22	67	31–106	20.2 µg/m³	22h	4
2026-05-21	79	33–337	32.6 µg/m³	22h	3
2026-05-20	60	24–107	16.8 µg/m³	22h	3
2026-05-19	58	28–107	15.9 µg/m³	22h	5
2026-05-18	49	21–84	13.0 µg/m³	23h	3
2026-05-17	48	18–74	12.5 µg/m³	23h	3
2026-05-16	48	27–71	12.4 µg/m³	14h	4

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