What is the air quality trend in Guocun?

Over the past 14 days, Guocun had an average AQI of 79 based on station measurements. The worst day was 2026-10-13 with AQI 111.

How is Guocun air quality measured?

Air quality in Guocun 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 Guocun, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	59	23–82	16.6 µg/m³	24h	6
2026-10-19	59	29–83	16.6 µg/m³	23h	7
2026-10-18	52	22–99	13.9 µg/m³	24h	4
2026-10-17	51	32–70	13.1 µg/m³	22h	5
2026-10-16	78	60–92	25.0 µg/m³	22h	5
2026-10-15	88	69–120	29.4 µg/m³	22h	6
2026-10-14	89	39–169	31.3 µg/m³	24h	7
2026-10-13	111	87–157	40.1 µg/m³	24h	7
2026-10-12	93	71–138	31.6 µg/m³	24h	7
2026-10-11	88	69–161	30.1 µg/m³	24h	8
2026-10-10	88	60–127	29.7 µg/m³	24h	6
2026-10-09	88	72–114	29.6 µg/m³	24h	8
2026-10-08	81	58–120	26.1 µg/m³	23h	5
2026-10-07	82	54–122	26.6 µg/m³	21h	4

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