Air Quality Lab — Ulan Bator, Mongolia
Air Quality Profile·
Ulan Bator reports an annual PM2.5 of 67.8 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Ulan Bator
Mongolia
MongoliaAnnual Average
Very UnhealthyWHO annual classification
67.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
165165 µg/m³ — Hazardous
156156 µg/m³ — Hazardous
3939 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
3636 µg/m³ — Unhealthy
145145 µg/m³ — Hazardous
163163 µg/m³ — Hazardous
Jan
Feb
Mar
Apr
May
Jun
165165 µg/m³ — Hazardous
156156 µg/m³ — Hazardous
3939 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
3636 µg/m³ — Unhealthy
145145 µg/m³ — Hazardous
163163 µg/m³ — Hazardous
Best months: Jun–AugWorst months: Jan–Feb, Dec
Fair10–15 µg/m³Moderate15–25 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³Hazardous>75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Mongolia
Ulan Bator: 67.8 µg/m³. Typical range in Mongolia: 10.3–12.6 µg/m³. Low anchor: Ulaangom, 9.2 µg/m³.
22 cities tracked