What is the air quality trend in Datun?

Over the past 8 days, Datun had an average AQI of 66 based on station measurements. The worst day was 2026-05-23 with AQI 81.

How is Datun air quality measured?

Air quality in Datun 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 Datun, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	77	75–79	24.2 µg/m³	2h	4
2026-05-29	70	53–100	21.1 µg/m³	24h	4
2026-05-28	61	43–92	17.1 µg/m³	24h	4
2026-05-27	70	39–104	21.3 µg/m³	23h	4
2026-05-26	52	31–67	13.5 µg/m³	24h	4
2026-05-25	56	28–71	15.1 µg/m³	24h	4
2026-05-24	66	32–99	19.5 µg/m³	24h	4
2026-05-23	81	60–104	26.2 µg/m³	21h	5

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