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Air Quality History for Ulan Bator, MN

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

55
Current AQI
Moderate
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

254h · 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 57 32–88 16.1 µg/m³ 75.7 24h 7
2026-04-02 42 28–58 10.3 µg/m³ 40.2 22h 6
2026-04-01 57 25–84 15.8 µg/m³ 70.2 23h 6
2026-03-31 56 28–115 16.1 µg/m³ 65.6 23h 7
2026-03-30 43 28–80 11.6 µg/m³ 52.5 12h 5
2026-03-29 73 45–96 22.4 µg/m³ 54.3 23h 5
2026-03-28 51 39–74 13.4 µg/m³ 32.5 23h 6
2026-03-27 76 66–82 24.4 µg/m³ 69.4 4h 7
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