What is the air quality trend in Xihu?

Over the past 15 days, Xihu had an average AQI of 60 based on station measurements. The worst day was 2026-09-05 with AQI 81.

How is Xihu air quality measured?

Air quality in Xihu 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 Xihu, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

321h

PM2.5 Station

321h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	81	54–157	26.4 µg/m³	16h	2
2026-09-04	68	24–108	20.7 µg/m³	23h	2
2026-09-03	66	36–99	19.5 µg/m³	24h	2
2026-09-02	60	30–125	17.2 µg/m³	23h	2
2026-09-01	59	26–119	17.2 µg/m³	23h	2
2026-08-31	51	20–79	13.4 µg/m³	21h	2
2026-08-30	65	28–122	19.1 µg/m³	22h	2
2026-08-29	66	35–105	19.3 µg/m³	23h	2
2026-08-28	53	26–74	14.2 µg/m³	24h	2
2026-08-27	63	32–113	18.4 µg/m³	24h	2
2026-08-26	50	25–82	13.3 µg/m³	23h	2
2026-08-25	60	23–101	17.6 µg/m³	23h	2
2026-08-24	58	33–102	16.3 µg/m³	24h	2
2026-08-23	53	17–95	15.0 µg/m³	24h	2
2026-08-22	50	23–73	14.4 µg/m³	4h	2

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