What is the air quality trend in Guojia?

Over the past 15 days, Guojia had an average AQI of 63 based on station measurements. The worst day was 2026-05-21 with AQI 95.

How is Guojia air quality measured?

Air quality in Guojia 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 Guojia, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	41	35–50	9.8 µg/m³	3h	1
2026-05-29	65	34–104	19.9 µg/m³	10h	1
2026-05-28	66	25–109	19.9 µg/m³	12h	1
2026-05-27	71	34–151	21.9 µg/m³	6h	1
2026-05-26	53	10–91	14.9 µg/m³	13h	1
2026-05-25	53	24–95	14.4 µg/m³	15h	1
2026-05-24	55	23–114	15.8 µg/m³	10h	1
2026-05-23	61	20–160	18.8 µg/m³	13h	1
2026-05-22	88	28–155	30.0 µg/m³	13h	1
2026-05-21	95	7–500	65.6 µg/m³	11h	1
2026-05-20	65	16–132	20.3 µg/m³	14h	1
2026-05-19	65	25–122	19.5 µg/m³	13h	1
2026-05-18	59	18–91	17.6 µg/m³	12h	1
2026-05-17	52	34–68	13.3 µg/m³	8h	1
2026-05-16	57	17–85	17.1 µg/m³	5h	1

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