What is the air quality trend in Sanjiao?

Over the past 15 days, Sanjiao had an average AQI of 57 based on station measurements. The worst day was 2026-05-22 with AQI 76.

How is Sanjiao air quality measured?

Air quality in Sanjiao 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 Sanjiao, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

277h

PM2.5 Station

277h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	58	30–78	16.0 µg/m³	17h	2
2026-05-28	51	8–76	14.3 µg/m³	24h	2
2026-05-27	66	30–99	20.1 µg/m³	21h	2
2026-05-26	63	32–193	21.2 µg/m³	21h	2
2026-05-25	54	25–87	15.0 µg/m³	21h	2
2026-05-24	51	23–75	13.6 µg/m³	19h	2
2026-05-23	68	33–187	24.5 µg/m³	20h	2
2026-05-22	76	18–364	36.0 µg/m³	20h	2
2026-05-21	55	34–82	15.4 µg/m³	16h	2
2026-05-20	66	36–109	19.7 µg/m³	19h	2
2026-05-19	43	13–76	11.5 µg/m³	18h	2
2026-05-18	51	6–95	14.1 µg/m³	19h	2
2026-05-17	45	20–84	12.0 µg/m³	21h	2
2026-05-16	61	23–93	18.2 µg/m³	18h	2
2026-05-15	51	30–79	14.3 µg/m³	3h	2

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