What is the air quality trend in Sanhui?

Over the past 20 days, Sanhui had an average AQI of 56 based on station measurements. The worst day was 2026-05-14 with AQI 72.

How is Sanhui air quality measured?

Air quality in Sanhui 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 Sanhui, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

461h

PM2.5 Station

461h · 4 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	58	17–106	16.7 µg/m³	23h	3
2026-05-28	57	15–104	16.1 µg/m³	24h	4
2026-05-27	66	15–160	20.7 µg/m³	23h	3
2026-05-26	45	9–69	11.5 µg/m³	24h	3
2026-05-25	56	35–89	15.3 µg/m³	23h	3
2026-05-24	57	9–307	22.5 µg/m³	23h	3
2026-05-23	52	5–97	14.8 µg/m³	23h	3
2026-05-22	54	31–86	14.8 µg/m³	24h	3
2026-05-21	56	20–134	16.2 µg/m³	23h	3
2026-05-20	53	17–83	14.7 µg/m³	23h	3
2026-05-19	47	8–84	12.6 µg/m³	24h	3
2026-05-18	52	26–86	13.9 µg/m³	22h	4
2026-05-17	48	26–63	12.4 µg/m³	21h	3
2026-05-16	52	27–110	14.9 µg/m³	21h	3
2026-05-15	54	29–104	14.7 µg/m³	24h	4
2026-05-14	72	24–192	24.9 µg/m³	24h	3
2026-05-13	54	25–91	15.4 µg/m³	22h	2
2026-05-12	67	18–133	20.3 µg/m³	24h	3
2026-05-11	70	26–93	21.4 µg/m³	24h	3
2026-05-10	64	17–104	19.3 µg/m³	22h	3

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