AQI PM2.5 PM10 CO SO2 NO2 O3

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Olgii Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Bayan Olgii

Last Updated: 2025-05-31 05:25:12 AM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 60 µg/m³

PM2.5 : 13 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

9 °C

Last Updated: 2025-05-31 05:25:12 AM (Local Time)

Map

Olgii

Major Air Pollutants
Olgii

Particulate Matter(PM2.5)

13µg/m³

Particulate Matter(PM10)

60µg/m³

Carbon Monoxide(CO)

498ppb

Sulfur Dioxide(SO2)

5ppb

Nitrogen Dioxide(NO2)

15ppb

Ozone(O3)

22ppb

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AQI Graph

Historical Air Quality Data
Olgii

24 Hours

AQI

Olgii

Want air quality data?

AQI Trends - Annual Air Quality Changes
Olgii, Bayan Olgii, Mongolia

AQI

Year

AQI

Annual AQI Trends

2022

143AQI

2023

84AQI

-41%

Fall

2024

62AQI

-26%

Fall

2025

94AQI

52%

Rise

Overall Annual Percentage (%) change of AQI in (2022 to 2025)

-5%

Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedFebruary, 2023186AQI

Least PollutedSeptember, 20230AQI

* This data analysis is from year 2022 - 2025

Olgii's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Olgii

Moderate

Mongolia's Metro Cities
Air Quality Index

Erdenet

Ulaanbaatar

Air Quality Calendar 2025
Olgii

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 167	2 Jan 144	3 Jan 169	4 Jan 195
5 Jan 172	6 Jan 179	7 Jan 122	8 Jan 172	9 Jan 160	10 Jan 138	11 Jan 152
12 Jan 161	13 Jan 132	14 Jan 150	15 Jan 164	16 Jan 173	17 Jan 186	18 Jan 185
19 Jan 172	20 Jan 171	21 Jan 182	22 Jan 191	23 Jan 140	24 Jan 98	25 Jan 75
26 Jan 98	27 Jan 128	28 Jan 141	29 Jan 127	30 Jan 101	31 Jan 158	1 Feb 139

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 98	27 Jan 128	28 Jan 141	29 Jan 127	30 Jan 101	31 Jan 158	1 Feb 139
2 Feb 135	3 Feb 144	4 Feb 127	5 Feb 109	6 Feb 116	7 Feb 137	8 Feb 140
9 Feb 161	10 Feb 127	11 Feb 127	12 Feb 156	13 Feb 121	14 Feb 100	15 Feb 81
16 Feb 92	17 Feb 95	18 Feb 104	19 Feb 98	20 Feb 91	21 Feb 100	22 Feb 94
23 Feb 101	24 Feb 98	25 Feb 101	26 Feb 102	27 Feb 80	28 Feb 60	1 Mar 77

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 101	24 Feb 98	25 Feb 101	26 Feb 102	27 Feb 80	28 Feb 60	1 Mar 77
2 Mar 76	3 Mar 65	4 Mar 61	5 Mar 62	6 Mar 56	7 Mar 71	8 Mar 63
9 Mar 55	10 Mar 59	11 Mar 48	12 Mar 58	13 Mar 58	14 Mar 66	15 Mar 93
16 Mar 97	17 Mar 91	18 Mar 109	19 Mar 101	20 Mar 97	21 Mar 88	22 Mar 96
23 Mar 81	24 Mar 79	25 Mar 76	26 Mar 72	27 Mar 60	28 Mar 65	29 Mar 73
30 Mar 81	31 Mar 76	1 Apr 81	2 Apr 72	3 Apr 68	4 Apr 75	5 Apr 73

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 81	31 Mar 76	1 Apr 81	2 Apr 72	3 Apr 68	4 Apr 75	5 Apr 73
6 Apr 73	7 Apr 76	8 Apr 75	9 Apr 93	10 Apr 85	11 Apr 69	12 Apr 78
13 Apr 58	14 Apr 79	15 Apr 73	16 Apr 68	17 Apr 72	18 Apr 66	19 Apr 70
20 Apr 70	21 Apr 73	22 Apr 67	23 Apr 62	24 Apr 69	25 Apr 68	26 Apr 60
27 Apr 67	28 Apr 67	29 Apr 72	30 Apr 74	1 May 63	2 May 61	3 May 62

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 67	28 Apr 67	29 Apr 72	30 Apr 74	1 May 63	2 May 61	3 May 62
4 May 64	5 May 60	6 May 65	7 May 62	8 May 67	9 May 58	10 May 60
11 May 60	12 May 62	13 May 48	14 May 50	15 May 52	16 May 45	17 May 53
18 May 56	19 May 71	20 May 61	21 May 51	22 May 48	23 May 54	24 May 59
25 May 54	26 May 60	27 May 57	28 May 58	29 May 50	30 May -	31 May -

Health Advice For People Living In
Olgii

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Olgii

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

Most Polluted Cities 2025
Mongolia

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Saynshand, Mongolia

Ondorhaan, Mongolia

Choibalsan, Mongolia

Dalanzadgad, Mongolia

Bayantal, Mongolia

Olgii, Mongolia

Mandalgovi, Mongolia

Arvaikheer, Mongolia

Ulaangom, Mongolia

10.

Altai, Mongolia

Moderate

4xabove Standard

Last Updated: 30 May 2025, 09:55 PM

AQI City Rankings

Air Quality Solutions For Olgii
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Olgii

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Olgii

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Olgii

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Olgii

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Olgii's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Olgii

Frequently Asked Questions About Air Quality

What is the current AQI level in Olgii?

The current real-time AQI level in Olgii is 59 (Moderate). This was last updated 2025-05-31 05:25:12 AM (Local Time).

When was the best AQI level in Olgii in the last 24 hours?

The best AQI level was 25 (Good) at 9:10 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Olgii in the last 24 hours?

The worst AQI level was 66 (Moderate) at 6:10 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Olgii during last 24 hours?

The AQI levels in Olgii have been fluctuating throughout the last 24 hours. The levels have increased by highest 66 at 6:10 AM (Local Time), lowest 25 at 9:10 PM (Local Time).

What actions are recommended as per the current AQI level in Olgii?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.