Altai, Govi Altai, Mongolia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Altai, Govi Altai, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Altai, Govi Altai, Mongolia
5 AM18th Sep 2025
7 PM
4 AM19th Sep 2025
AQI
AQI
61AQI
32AQI
In the last 24 hours,
Altai's AQI reached its highest point of 61 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Altai, Govi Altai, Mongolia
9°C4/14°C
9°C4/14°C
12°C7/17°C
14°C9/18°C
17°C12/20°C
14°C8/17°C
12°C6/16°C
11°C8/14°C
10°C7/12°C
10°C6/13°C
13°C8/16°C
14°C7/19°C
7°C4/9°C
9°C5/12°C
8°C2/13°C
5°C2/8°C
7°C2/10°C
6°C2/10°C
10°C4/14°C
11°C7/16°C
12°C5/18°C
9°C5/13°C
10°C6/13°C
5°C0/10°C
7°C1/10°C
5°C0/10°C
3°C-1/7°C
4°C0/8°C
8°C3/11°C
--°C/°C
--°C/°C
63AQI
49AQI
73AQI
55AQI
2025 Days Vs Air Quality
Altai, Govi Altai, Mongolia
22%
56
72%
186
7%
17
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 261 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
Altai, Govi Altai, Mongolia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
106AQI
108AQI
122AQI
114AQI
111AQI
105AQI
89AQI
118AQI
96AQI
100AQI
98AQI
103AQI
84AQI
91AQI
124AQI
110AQI
94AQI
98AQI
91AQI
100AQI
102AQI
99AQI
92AQI
74AQI
78AQI
74AQI
76AQI
91AQI
83AQI
73AQI
85AQI
87AQI
82AQI
105AQI
85AQI
68AQI
72AQI
106AQI
98AQI
94AQI
77AQI
85AQI
92AQI
77AQI
59AQI
67AQI
70AQI
68AQI
75AQI
74AQI
65AQI
69AQI
66AQI
66AQI
79AQI
67AQI
62AQI
60AQI
56AQI
59AQI
59AQI
60AQI
64AQI
56AQI
69AQI
64AQI
57AQI
68AQI
55AQI
72AQI
50AQI
53AQI
79AQI
88AQI
84AQI
91AQI
104AQI
95AQI
89AQI
89AQI
92AQI
125AQI
154AQI
105AQI
91AQI
67AQI
60AQI
58AQI
69AQI
62AQI
82AQI
78AQI
77AQI
72AQI
73AQI
85AQI
91AQI
84AQI
74AQI
70AQI
77AQI
74AQI
63AQI
83AQI
72AQI
83AQI
69AQI
63AQI
75AQI
69AQI
72AQI
63AQI
57AQI
59AQI
55AQI
56AQI
61AQI
61AQI
78AQI
67AQI
74AQI
56AQI
73AQI
81AQI
91AQI
84AQI
78AQI
58AQI
71AQI
65AQI
57AQI
67AQI
71AQI
59AQI
60AQI
72AQI
76AQI
63AQI
62AQI
60AQI
60AQI
55AQI
55AQI
58AQI
57AQI
56AQI
51AQI
59AQI
61AQI
49AQI
55AQI
58AQI
51AQI
53AQI
65AQI
54AQI
56AQI
52AQI
65AQI
59AQI
54AQI
52AQI
59AQI
60AQI
54AQI
56AQI
52AQI
54AQI
53AQI
52AQI
54AQI
48AQI
38AQI
43AQI
50AQI
58AQI
54AQI
48AQI
54AQI
56AQI
54AQI
51AQI
47AQI
50AQI
54AQI
55AQI
55AQI
50AQI
59AQI
50AQI
43AQI
50AQI
49AQI
52AQI
51AQI
40AQI
42AQI
43AQI
45AQI
44AQI
44AQI
39AQI
37AQI
47AQI
50AQI
41AQI
43AQI
47AQI
42AQI
42AQI
45AQI
42AQI
55AQI
56AQI
51AQI
49AQI
45AQI
46AQI
41AQI
36AQI
39AQI
40AQI
43AQI
46AQI
47AQI
44AQI
45AQI
44AQI
46AQI
42AQI
40AQI
45AQI
46AQI
42AQI
47AQI
47AQI
53AQI
50AQI
50AQI
52AQI
50AQI
54AQI
56AQI
69AQI
82AQI
77AQI
49AQI
54AQI
60AQI
63AQI
77AQI
107AQI
63AQI
62AQI
63AQI
65AQI
61AQI
54AQI
54AQI
57AQI
96AQI
76AQI
77AQI
71AQI
64AQI
54AQI
47AQI
47AQI
66AQI
No. of days
202566AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
August47AQI
202466AQI
Highest AQI recorded in
February108AQI
Lowest AQI recorded in
October21AQI
202347AQI
Highest AQI recorded in
April101AQI
Lowest AQI recorded in
February1AQI
202258AQI
Highest AQI recorded in
October61AQI
Lowest AQI recorded in
December41AQI
Most & Least Polluted Years Over the Last 4 Years
Altai's annual 2025 AQI (66) shows an average percentage change of 19.2% (worsened AQI) compared to previous years: 2022 (58), 2023 (47), 2024 (66).