Olgii, Bayan Olgii, Mongolia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Olgii, Bayan Olgii, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Olgii, Bayan Olgii, Mongolia
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
31AQI
10AQI
31AQI
12AQI
In the last 24 hours,
Olgii's AQI reached its highest point of 31 at 11 AM during the Day, while the lowest point, 10, was recorded at 5 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Olgii, Bayan Olgii, Mongolia
8°C3/13°C
12°C4/18°C
12°C5/19°C
13°C5/20°C
14°C7/20°C
16°C10/21°C
13°C9/18°C
8°C2/11°C
4°C-1/8°C
4°C2/8°C
3°C0/7°C
3°C0/7°C
6°C-1/10°C
6°C-1/12°C
2°C-1/7°C
4°C-1/8°C
7°C-3/16°C
10°C2/15°C
7°C3/10°C
8°C3/13°C
5°C3/8°C
7°C0/13°C
13°C4/20°C
16°C8/23°C
12°C8/14°C
13°C4/20°C
16°C8/23°C
16°C9/22°C
15°C11/19°C
17°C9/23°C
31AQI
25AQI
34AQI
27AQI
2026 Days Vs Air Quality
Olgii, Bayan Olgii, Mongolia
80%
121
19%
29
0.6%
1
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 154 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Olgii, Bayan Olgii, Mongolia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
23AQI (US)
27AQI (US)
20AQI (US)
38AQI (US)
60AQI (US)
51AQI (US)
48AQI (US)
31AQI (US)
30AQI (US)
34AQI (US)
75AQI (US)
112AQI (US)
62AQI (US)
53AQI (US)
24AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
56AQI (US)
63AQI (US)
67AQI (US)
84AQI (US)
70AQI (US)
57AQI (US)
60AQI (US)
61AQI (US)
72AQI (US)
92AQI (US)
62AQI (US)
41AQI (US)
55AQI (US)
72AQI (US)
41AQI (US)
42AQI (US)
60AQI (US)
51AQI (US)
31AQI (US)
53AQI (US)
47AQI (US)
35AQI (US)
42AQI (US)
48AQI (US)
41AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
37AQI (US)
37AQI (US)
57AQI (US)
71AQI (US)
31AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
32AQI (US)
42AQI (US)
43AQI (US)
40AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
44AQI (US)
56AQI (US)
53AQI (US)
59AQI (US)
50AQI (US)
18AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
22AQI (US)
39AQI (US)
27AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
38AQI (US)
20AQI (US)
17AQI (US)
24AQI (US)
30AQI (US)
29AQI (US)
17AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
20AQI (US)
21AQI (US)
17AQI (US)
18AQI (US)
24AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
32AQI (US)
22AQI (US)
17AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
20AQI (US)
19AQI (US)
17AQI (US)
22AQI (US)
24AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
28AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
23AQI (US)
19AQI (US)
18AQI (US)
17AQI (US)
17AQI (US)
16AQI (US)
36AQI (US)
43AQI (US)
56AQI (US)
56AQI (US)
57AQI (US)
48AQI (US)
39AQI (US)
33AQI (US)
37AQI (US)
28AQI (US)
39AQI (US)
16AQI (US)
18AQI (US)
27AQI (US)
16AQI (US)
22AQI (US)
22AQI (US)
17AQI (US)
24AQI (US)
52AQI (US)
41AQI (US)
31AQI (US)
22AQI (US)
29AQI (US)
21AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January52AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202567AQI (US)
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
November34AQI (US)
202462AQI (US)
Highest AQI (US) recorded in
December155AQI (US)
Lowest AQI (US) recorded in
October13AQI (US)
202384AQI (US)
Highest AQI (US) recorded in
February186AQI (US)
Lowest AQI (US) recorded in
September0AQI (US)
2022143AQI (US)
Highest AQI (US) recorded in
December173AQI (US)
Lowest AQI (US) recorded in
October107AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Olgii's annual 2026 AQI (US) (35) shows an average percentage change of -56.2% (improved AQI (US)) compared to previous years: 2022 (143), 2023 (84), 2024 (62), 2025 (67).