What is the air quality trend in Ulan Bator?

Over the past 7 days, Ulan Bator had an average AQI of 43 based on station measurements. The worst day was with AQI .

How is Ulan Bator air quality measured?

Air quality in Ulan Bator 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 Ulan Bator, MN

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

Historical PM2.5 and AQI trend from monitoring stations near Ulan Bator, MN.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

104h · 8 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	31	15–53	7.4 µg/m³	43.0	19h	7
2026-04-09	36	21–56	8.7 µg/m³	55.2	16h	7
2026-04-08	32	23–53	7.7 µg/m³	24.1	9h	7
2026-04-07	43	28–67	10.8 µg/m³	62.6	24h	7
2026-04-06	40	28–62	9.8 µg/m³	40.7	18h	6
2026-04-04	43	29–65	10.9 µg/m³	46.0	14h	7
2026-04-03	78	70–85	24.9 µg/m³	81.5	4h	6

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