Nalayh, Ulaanbaatar, Mongolia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Nalayh, Ulaanbaatar, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (17th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Aug - 18th Aug 2025
Nalayh, Ulaanbaatar, Mongolia
5 AM17th Aug 2025
8 PM
4 AM18th Aug 2025
44AQI
23AQI
46AQI
34AQI
In the last 24 hours,
Nalayh's AQI reached its highest point of 46 at 2 AM during the Night, while the lowest point, 23, was recorded at 6 PM during the Day between 17th Aug and 18th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nalayh, Ulaanbaatar, Mongolia
18°C13/24°C
20°C15/25°C
21°C14/31°C
16°C12/21°C
17°C10/23°C
16°C8/26°C
14°C9/20°C
18°C12/25°C
19°C14/26°C
14°C8/20°C
16°C11/21°C
11°C9/12°C
16°C10/22°C
15°C12/19°C
18°C13/22°C
17°C13/23°C
15°C12/20°C
13°C10/19°C
17°C13/24°C
15°C11/21°C
16°C12/23°C
14°C9/20°C
17°C9/25°C
11°C5/17°C
10°C5/15°C
13°C7/19°C
13°C9/19°C
15°C11/21°C
18°C12/25°C
15°C10/22°C
--°C/°C
49AQI
38AQI
50AQI
50AQI
2025 Days Vs Air Quality
Nalayh, Ulaanbaatar, Mongolia
59%
48
41%
33
Total number of days with different AQI categories in last 230 days in 2025 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2025, 59% of 230 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Nalayh, Ulaanbaatar, Mongolia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
50AQI
58AQI
49AQI
37AQI
29AQI
31AQI
53AQI
40AQI
45AQI
49AQI
50AQI
42AQI
50AQI
43AQI
50AQI
46AQI
46AQI
53AQI
49AQI
48AQI
50AQI
52AQI
53AQI
55AQI
52AQI
64AQI
61AQI
57AQI
58AQI
59AQI
58AQI
57AQI
54AQI
63AQI
59AQI
57AQI
58AQI
56AQI
59AQI
55AQI
51AQI
47AQI
48AQI
53AQI
54AQI
56AQI
52AQI
47AQI
46AQI
45AQI
49AQI
54AQI
51AQI
53AQI
48AQI
44AQI
47AQI
40AQI
46AQI
45AQI
47AQI
45AQI
47AQI
47AQI
54AQI
56AQI
51AQI
48AQI
42AQI
45AQI
45AQI
42AQI
49AQI
48AQI
41AQI
45AQI
43AQI
41AQI
42AQI
38AQI
38AQI
52AQI
50AQI
51AQI
45AQI
No. of days
202549AQI
Highest AQI recorded in
May52AQI
Lowest AQI recorded in
August45AQI
Most & Least Polluted Years Over the Last 1 Years
Nalayh's annual 2025 AQI (49) shows an average percentage change of NaN% (improved AQI) compared to previous years: .