Arvaikheer, Ovorkhangai, 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
Arvaikheer, Ovorkhangai, 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 82 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
Arvaikheer, Ovorkhangai, Mongolia
6 AM5th Oct 2025
7 PM
5 AM6th Oct 2025
AQI
AQI
114AQI
30AQI
In the last 24 hours,
Arvaikheer's AQI reached its highest point of 114 at 11 PM 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
Arvaikheer, Ovorkhangai, Mongolia
7°C3/12°C
9°C4/14°C
10°C5/15°C
13°C7/20°C
13°C7/18°C
11°C6/18°C
10°C4/19°C
5°C2/7°C
7°C3/13°C
3°C0/5°C
7°C2/12°C
9°C5/15°C
11°C5/16°C
10°C6/15°C
10°C5/15°C
10°C6/15°C
8°C4/14°C
7°C4/12°C
11°C6/16°C
11°C7/15°C
10°C6/14°C
11°C7/16°C
12°C8/17°C
11°C7/16°C
11°C8/17°C
13°C9/19°C
12°C3/19°C
5°C0/12°C
3°C-2/7°C
--°C/°C
--°C/°C
59AQI
45AQI
68AQI
53AQI
2025 Days Vs Air Quality
Arvaikheer, Ovorkhangai, Mongolia
22%
62
69%
191
8%
22
0.7%
2
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Arvaikheer, Ovorkhangai, Mongolia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
122AQI
154AQI
142AQI
142AQI
139AQI
132AQI
98AQI
137AQI
98AQI
101AQI
106AQI
132AQI
115AQI
118AQI
128AQI
137AQI
118AQI
124AQI
126AQI
152AQI
139AQI
124AQI
98AQI
83AQI
70AQI
75AQI
87AQI
94AQI
90AQI
79AQI
88AQI
90AQI
82AQI
114AQI
91AQI
85AQI
83AQI
114AQI
98AQI
101AQI
79AQI
82AQI
105AQI
87AQI
63AQI
68AQI
70AQI
64AQI
70AQI
71AQI
62AQI
67AQI
67AQI
70AQI
80AQI
68AQI
65AQI
60AQI
49AQI
58AQI
53AQI
57AQI
55AQI
54AQI
51AQI
60AQI
50AQI
58AQI
48AQI
50AQI
41AQI
47AQI
58AQI
72AQI
72AQI
70AQI
80AQI
77AQI
79AQI
80AQI
80AQI
83AQI
75AQI
72AQI
68AQI
56AQI
61AQI
62AQI
71AQI
70AQI
82AQI
69AQI
76AQI
75AQI
68AQI
71AQI
70AQI
72AQI
75AQI
74AQI
82AQI
84AQI
69AQI
73AQI
71AQI
72AQI
73AQI
62AQI
65AQI
72AQI
70AQI
63AQI
55AQI
60AQI
54AQI
55AQI
60AQI
59AQI
62AQI
62AQI
64AQI
55AQI
62AQI
56AQI
62AQI
69AQI
61AQI
59AQI
69AQI
65AQI
60AQI
69AQI
66AQI
55AQI
60AQI
58AQI
64AQI
59AQI
61AQI
63AQI
68AQI
55AQI
56AQI
60AQI
55AQI
58AQI
56AQI
60AQI
57AQI
56AQI
46AQI
43AQI
40AQI
51AQI
62AQI
52AQI
54AQI
53AQI
62AQI
59AQI
56AQI
54AQI
63AQI
60AQI
57AQI
59AQI
57AQI
60AQI
53AQI
53AQI
55AQI
52AQI
42AQI
58AQI
62AQI
59AQI
61AQI
61AQI
66AQI
67AQI
61AQI
64AQI
58AQI
55AQI
64AQI
64AQI
62AQI
56AQI
57AQI
51AQI
49AQI
52AQI
53AQI
56AQI
51AQI
49AQI
46AQI
45AQI
48AQI
48AQI
46AQI
47AQI
42AQI
47AQI
50AQI
40AQI
44AQI
45AQI
43AQI
41AQI
45AQI
40AQI
54AQI
58AQI
50AQI
47AQI
42AQI
46AQI
40AQI
36AQI
37AQI
40AQI
38AQI
45AQI
44AQI
40AQI
43AQI
43AQI
41AQI
38AQI
40AQI
43AQI
42AQI
35AQI
40AQI
44AQI
49AQI
48AQI
45AQI
48AQI
50AQI
53AQI
55AQI
58AQI
67AQI
65AQI
54AQI
50AQI
58AQI
59AQI
62AQI
61AQI
61AQI
58AQI
61AQI
68AQI
62AQI
56AQI
51AQI
52AQI
52AQI
50AQI
55AQI
58AQI
59AQI
57AQI
51AQI
44AQI
40AQI
51AQI
49AQI
48AQI
71AQI
62AQI
67AQI
50AQI
82AQI
114AQI
79AQI
63AQI
69AQI
60AQI
56AQI
50AQI
44AQI
56AQI
65AQI
No. of days
202566AQI
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
August44AQI
202465AQI
Highest AQI recorded in
December104AQI
Lowest AQI recorded in
October23AQI
2023103AQI
Highest AQI recorded in
January175AQI
Lowest AQI recorded in
August64AQI
2022157AQI
Highest AQI recorded in
December173AQI
Lowest AQI recorded in
October129AQI
Most & Least Polluted Years Over the Last 4 Years
Arvaikheer's annual 2025 AQI (66) shows an average percentage change of -31.07% (improved AQI) compared to previous years: 2022 (157), 2023 (103), 2024 (65).