Olonteyn Dugang, Selenge, Mongolia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Olonteyn Dugang, Selenge, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 78 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Olonteyn Dugang, Selenge, Mongolia
6 AM5th Oct 2025
6 PM
5 AM6th Oct 2025
AQI
AQI
99AQI
39AQI
In the last 24 hours,
Olonteyn Dugang's AQI reached its highest point of 99 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Olonteyn Dugang, Selenge, Mongolia
9°C5/14°C
9°C5/14°C
10°C6/16°C
12°C8/17°C
11°C7/16°C
8°C3/11°C
11°C6/18°C
7°C4/12°C
9°C3/14°C
5°C2/10°C
9°C4/15°C
11°C6/17°C
11°C7/16°C
11°C7/17°C
14°C8/20°C
15°C11/21°C
9°C7/11°C
7°C4/10°C
11°C6/17°C
14°C9/21°C
15°C10/22°C
15°C9/21°C
15°C9/22°C
14°C6/21°C
4°C1/7°C
10°C4/18°C
11°C1/23°C
4°C1/9°C
6°C2/10°C
--°C/°C
--°C/°C
57AQI
47AQI
68AQI
52AQI
2025 Days Vs Air Quality
Olonteyn Dugang, Selenge, Mongolia
17%
48
68%
189
6%
18
8%
21
0.3%
1
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 17%
Health Risk Level:
Extreme
In 2025, 17% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Olonteyn Dugang, Selenge, Mongolia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
177AQI
145AQI
167AQI
216AQI
187AQI
185AQI
116AQI
176AQI
155AQI
162AQI
157AQI
176AQI
148AQI
137AQI
172AQI
175AQI
199AQI
194AQI
185AQI
174AQI
175AQI
191AQI
176AQI
96AQI
78AQI
105AQI
125AQI
138AQI
136AQI
118AQI
170AQI
155AQI
138AQI
152AQI
111AQI
92AQI
86AQI
130AQI
129AQI
147AQI
110AQI
127AQI
146AQI
123AQI
97AQI
88AQI
85AQI
91AQI
88AQI
84AQI
66AQI
82AQI
87AQI
87AQI
93AQI
90AQI
94AQI
80AQI
63AQI
73AQI
77AQI
54AQI
48AQI
58AQI
56AQI
65AQI
59AQI
55AQI
60AQI
47AQI
54AQI
56AQI
64AQI
69AQI
76AQI
68AQI
93AQI
92AQI
79AQI
81AQI
84AQI
71AQI
79AQI
76AQI
67AQI
69AQI
60AQI
67AQI
65AQI
65AQI
62AQI
64AQI
65AQI
64AQI
72AQI
73AQI
79AQI
94AQI
88AQI
91AQI
92AQI
86AQI
78AQI
87AQI
93AQI
81AQI
85AQI
79AQI
83AQI
73AQI
91AQI
91AQI
69AQI
83AQI
77AQI
63AQI
65AQI
72AQI
75AQI
74AQI
70AQI
53AQI
54AQI
61AQI
56AQI
62AQI
65AQI
56AQI
56AQI
63AQI
68AQI
64AQI
49AQI
60AQI
54AQI
45AQI
54AQI
52AQI
57AQI
52AQI
51AQI
60AQI
63AQI
62AQI
65AQI
63AQI
60AQI
58AQI
60AQI
49AQI
51AQI
45AQI
39AQI
54AQI
50AQI
45AQI
41AQI
46AQI
55AQI
56AQI
58AQI
58AQI
59AQI
55AQI
57AQI
57AQI
59AQI
56AQI
59AQI
60AQI
64AQI
67AQI
71AQI
65AQI
67AQI
68AQI
71AQI
73AQI
72AQI
69AQI
69AQI
69AQI
65AQI
63AQI
69AQI
72AQI
68AQI
73AQI
63AQI
61AQI
61AQI
61AQI
62AQI
59AQI
57AQI
57AQI
54AQI
51AQI
51AQI
53AQI
50AQI
52AQI
46AQI
41AQI
41AQI
40AQI
42AQI
44AQI
45AQI
45AQI
47AQI
50AQI
57AQI
60AQI
55AQI
48AQI
44AQI
49AQI
48AQI
47AQI
43AQI
44AQI
42AQI
46AQI
47AQI
48AQI
49AQI
44AQI
42AQI
38AQI
37AQI
41AQI
41AQI
34AQI
43AQI
48AQI
54AQI
49AQI
45AQI
53AQI
54AQI
56AQI
57AQI
56AQI
66AQI
64AQI
63AQI
52AQI
56AQI
57AQI
75AQI
65AQI
64AQI
60AQI
61AQI
58AQI
57AQI
54AQI
54AQI
53AQI
56AQI
59AQI
58AQI
61AQI
60AQI
55AQI
56AQI
61AQI
66AQI
58AQI
55AQI
32AQI
38AQI
29AQI
75AQI
53AQI
78AQI
158AQI
104AQI
67AQI
78AQI
58AQI
59AQI
55AQI
47AQI
58AQI
59AQI
No. of days
202576AQI
Highest AQI recorded in
January158AQI
Lowest AQI recorded in
August47AQI
2024104AQI
Highest AQI recorded in
January228AQI
Lowest AQI recorded in
September43AQI
2023115AQI
Highest AQI recorded in
January225AQI
Lowest AQI recorded in
August51AQI
2022166AQI
Highest AQI recorded in
December206AQI
Lowest AQI recorded in
October100AQI
Most & Least Polluted Years Over the Last 4 Years
Olonteyn Dugang's annual 2025 AQI (76) shows an average percentage change of -38.4% (improved AQI) compared to previous years: 2022 (166), 2023 (115), 2024 (104).