Air Quality in Ulaanbaatar Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Ulaanbaatar

Locations: Ulaanbaatar

Pollution and air quality forecast for Ulaanbaatar. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Ulaanbaatar:

particulate matter (PM2.5) dust - 17 (Moderate)
particulate matter (PM10) suspended dust - 32 (Moderate)
ozone (O3) - 47 (Good)
nitrogen dioxide (NO2) - 14 (Good)
sulfur dioxide (SO2) - 25 (Good)
carbon monoxide (CO) - 363 (Good)

Real-time Air Quality Index (AQI) for Ulaanbaatar, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Ulaanbaatar today? Is the air polluted in Ulaanbaatar?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Ulaanbaatar. Some pollutants in Ulaanbaatar may slightly affect very few hypersensitive individuals. Air pollutants in Ulaanbaatar may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Ulaanbaatar? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 17 (Moderate) For comparison, the highest level of PM2.5 in Ulaanbaatar in the last 7 days was: 16 (Thursday, August 27, 2026) and the lowest: 5 (Sunday, August 23, 2026).

What is the level of PM10 today in Ulaanbaatar? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Ulaanbaatar is: 32 (Moderate)

How is the O3 level today in Ulaanbaatar? (ozone (O3))
47 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
14 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
25 (Good)

How high is the CO level? (carbon monoxide (CO))
363 (Good)

Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 17 (Moderate)

PM10 32 (Moderate)

O3 47 (Good)

NO2 14 (Good)

SO2 25 (Good)

CO 363 (Good)

Data on air pollution from recent days in Ulaanbaatar

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	16 Moderate	14 Moderate	13 Moderate	8 Good	5 Good	5 Good	9 Good	10 Good
pm10	25 Moderate	21 Moderate	13 Good	8 Good	6 Good	8 Good	9 Good	10 Good
o3	62 Good	60 Good	52 Good	66 Good	66 Good	68 Good	60 Good	62 Good
no2	14 Good	14 Good	15 Good	10 Good	8 Good	6 Good	12 Good	9 Good
so2	20 Good	18 Good	21 Good	13 Good	10 Good	10 Good	15 Good	19 Good
co	345 Good	407 Good	423 Good	346 Good	294 Good	259 Good	302 Good	355 Good

data source »

Ulaanbaatar

Thursday, August 27, 2026 at 9:00 AM

PM2,5 17 (Moderate)

particulate matter (PM2.5) dust

PM10 32 (Moderate)

particulate matter (PM10) suspended dust

O3 47 (Good)

ozone (O3)

NO2 14 (Good)

nitrogen dioxide (NO2)

SO2 25 (Good)

sulfur dioxide (SO2)

CO 363 (Good)

carbon monoxide (CO)

Ulaanbaatar

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	9.6	9	4.7	5.4	7.6	13	14	16
pm10	9.8	9.1	7.6	6.5	7.7	13	21	25
o3	62	60	68	66	66	52	60	62
no2	8.9	12	6.4	8.4	9.6	15	14	14
so2	19	15	10	10	13	21	18	20
co	355	302	259	294	346	423	407	345

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Ulaanbaatar

16-day weather forecast for Ulaanbaatar: today around 23°C (clear sky), lows near 8°C. Daily temperature and conditions, updated every day. A moderate breeze (about 10 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Ulaanbaatar

The UV index in Ulaanbaatar today is 4.2 (moderate) — unprotected fair skin can burn in about 50 minutes.

Frequently asked questions

Is the air safe to breathe in Ulaanbaatar today?

The current average PM2.5 across Ulaanbaatar is about 17 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Ulaanbaatar?

Right now PM2.5 in Ulaanbaatar averages about 17 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Ulaanbaatar?

Over the past week, the highest daily PM2.5 in Ulaanbaatar was recorded on Thursday, August 27 (about 16 µg/m³).

What is the UV index in Ulaanbaatar today?

The UV index in Ulaanbaatar today is 4.2 (moderate) — unprotected fair skin can burn in about 50 minutes.

Does today's wind help disperse smog in Ulaanbaatar?

A moderate breeze (about 10 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.