Air Quality
0.4/5
67.8 µg/m³Very Unhealthy
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: ●●●
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 BatorMongolia
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: ●●●
Who thrives in Ulan Bator
Decent fit
Poor fit
Things to consider in Ulan Bator
PM2.5 annual average of 67.8 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Ulan Bator?
Why not Ulan Bator? Honestly, air quality is a genuine health trade-off — Ulan Bator's annual PM2.5 of 67.8 µg/m³ exceeds the EU limit and WHO standards by a wide margin, with respiratory impacts documented at these levels.
Frequently asked about Ulan Bator
▶How many sunny days does Ulan Bator have per year?
Ulan Bator averages approximately 223 sunny days per year, based on historical climate data.
▶What is the air quality in Ulan Bator?
Ulan Bator has an annual PM2.5 concentration of 67.8 µg/m³, classified as "Very Unhealthy" by WHO standards. Serious health risk. Limit outdoor activities.