What is the air quality trend in Dalai?

Over the past 21 days, Dalai had an average AQI of 59 based on station measurements. The worst day was 2026-05-20 with AQI 76.

How is Dalai air quality measured?

Air quality in Dalai 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 Dalai, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

426h

PM2.5 Station

426h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	58	15–81	16.3 µg/m³	19h	2
2026-05-28	60	13–99	17.6 µg/m³	23h	2
2026-05-27	49	23–78	13.3 µg/m³	20h	3
2026-05-26	56	25–105	15.4 µg/m³	22h	3
2026-05-25	52	13–67	13.7 µg/m³	23h	2
2026-05-24	52	26–78	14.0 µg/m³	20h	3
2026-05-23	63	34–129	18.1 µg/m³	23h	2
2026-05-22	67	35–156	20.3 µg/m³	24h	3
2026-05-21	64	20–128	18.8 µg/m³	20h	2
2026-05-20	76	22–500	41.3 µg/m³	21h	3
2026-05-19	54	36–79	14.4 µg/m³	24h	3
2026-05-18	53	26–89	14.5 µg/m³	20h	2
2026-05-17	45	21–74	11.6 µg/m³	19h	3
2026-05-16	49	24–66	12.5 µg/m³	19h	3
2026-05-15	64	29–148	19.0 µg/m³	24h	2
2026-05-14	69	28–162	21.8 µg/m³	23h	2
2026-05-13	58	19–135	17.3 µg/m³	23h	2
2026-05-12	67	27–129	20.4 µg/m³	22h	2
2026-05-11	70	41–118	21.4 µg/m³	14h	3
2026-05-10	63	18–102	18.7 µg/m³	20h	3
2026-05-09	60	53–72	16.2 µg/m³	3h	2

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