What is the air quality trend in Dacheng?

Over the past 20 days, Dacheng had an average AQI of 66 based on station measurements. The worst day was 2026-05-31 with AQI 87.

How is Dacheng air quality measured?

Air quality in Dacheng 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 Dacheng, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

460h

PM2.5 Station

460h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	49	21–76	13.1 µg/m³	23h	2
2026-06-07	65	32–147	19.7 µg/m³	24h	2
2026-06-06	51	28–97	13.9 µg/m³	23h	2
2026-06-05	69	34–142	21.2 µg/m³	23h	2
2026-06-04	67	38–147	20.0 µg/m³	24h	2
2026-06-03	65	29–99	19.4 µg/m³	24h	2
2026-06-02	85	47–151	27.8 µg/m³	22h	2
2026-06-01	80	38–108	26.1 µg/m³	22h	2
2026-05-31	87	56–185	30.8 µg/m³	24h	2
2026-05-30	73	52–122	22.4 µg/m³	22h	2
2026-05-29	84	32–417	37.3 µg/m³	22h	2
2026-05-28	60	30–91	17.5 µg/m³	24h	2
2026-05-27	71	34–134	21.7 µg/m³	24h	2
2026-05-26	62	42–88	17.4 µg/m³	21h	2
2026-05-25	51	23–70	13.7 µg/m³	24h	2
2026-05-24	59	15–94	17.1 µg/m³	24h	2
2026-05-23	68	28–114	20.6 µg/m³	23h	2
2026-05-22	68	27–151	20.8 µg/m³	22h	2
2026-05-21	74	25–160	24.0 µg/m³	24h	2
2026-05-20	51	26–76	13.5 µg/m³	21h	2

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