Nalayh, Ulaanbaatar, 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
Nalayh, Ulaanbaatar, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Nalayh, Ulaanbaatar, Mongolia
6 AM2nd Oct 2026
6 PM
5 AM3rd Oct 2026
50AQI
21AQI
44AQI
21AQI
In the last 24 hours,
Nalayh's AQI reached its highest point of 50 at 7 AM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Nalayh, Ulaanbaatar, Mongolia
11°C6/15°C
8°C5/15°C
7°C3/13°C
7°C2/13°C
8°C3/14°C
8°C5/13°C
10°C4/17°C
11°C7/16°C
7°C3/11°C
7°C1/14°C
11°C6/18°C
13°C7/20°C
15°C9/22°C
13°C9/19°C
7°C4/11°C
8°C4/14°C
9°C6/15°C
11°C7/17°C
8°C3/12°C
5°C2/11°C
3°C3/4°C
5°C2/8°C
5°C2/10°C
4°C-1/11°C
0°C-4/5°C
-3°C-5/0°C
-1°C-5/4°C
1°C-3/7°C
3°C0/8°C
0°C-4/5°C
34AQI
29AQI
38AQI
31AQI
2026 Days Vs Air Quality
Nalayh, Ulaanbaatar, Mongolia
73%
199
20%
54
7%
19
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2026, 73% of 276 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
Nalayh, Ulaanbaatar, Mongolia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI (US)
55AQI (US)
44AQI (US)
47AQI (US)
58AQI (US)
50AQI (US)
53AQI (US)
45AQI (US)
46AQI (US)
28AQI (US)
43AQI (US)
42AQI (US)
103AQI (US)
93AQI (US)
50AQI (US)
85AQI (US)
89AQI (US)
38AQI (US)
54AQI (US)
126AQI (US)
126AQI (US)
115AQI (US)
113AQI (US)
126AQI (US)
63AQI (US)
110AQI (US)
112AQI (US)
111AQI (US)
98AQI (US)
107AQI (US)
126AQI (US)
138AQI (US)
143AQI (US)
140AQI (US)
111AQI (US)
56AQI (US)
62AQI (US)
92AQI (US)
86AQI (US)
103AQI (US)
95AQI (US)
103AQI (US)
109AQI (US)
88AQI (US)
32AQI (US)
58AQI (US)
83AQI (US)
89AQI (US)
82AQI (US)
93AQI (US)
104AQI (US)
29AQI (US)
37AQI (US)
70AQI (US)
61AQI (US)
25AQI (US)
45AQI (US)
58AQI (US)
46AQI (US)
61AQI (US)
35AQI (US)
30AQI (US)
50AQI (US)
74AQI (US)
47AQI (US)
43AQI (US)
44AQI (US)
30AQI (US)
40AQI (US)
54AQI (US)
40AQI (US)
34AQI (US)
46AQI (US)
38AQI (US)
42AQI (US)
23AQI (US)
42AQI (US)
42AQI (US)
52AQI (US)
42AQI (US)
30AQI (US)
52AQI (US)
39AQI (US)
46AQI (US)
37AQI (US)
54AQI (US)
50AQI (US)
40AQI (US)
53AQI (US)
31AQI (US)
42AQI (US)
49AQI (US)
38AQI (US)
52AQI (US)
35AQI (US)
42AQI (US)
40AQI (US)
34AQI (US)
46AQI (US)
40AQI (US)
47AQI (US)
26AQI (US)
53AQI (US)
50AQI (US)
27AQI (US)
42AQI (US)
51AQI (US)
44AQI (US)
42AQI (US)
47AQI (US)
54AQI (US)
45AQI (US)
51AQI (US)
21AQI (US)
23AQI (US)
40AQI (US)
54AQI (US)
30AQI (US)
35AQI (US)
40AQI (US)
49AQI (US)
48AQI (US)
36AQI (US)
39AQI (US)
40AQI (US)
45AQI (US)
40AQI (US)
50AQI (US)
51AQI (US)
56AQI (US)
32AQI (US)
38AQI (US)
71AQI (US)
72AQI (US)
70AQI (US)
70AQI (US)
80AQI (US)
90AQI (US)
90AQI (US)
75AQI (US)
70AQI (US)
72AQI (US)
48AQI (US)
22AQI (US)
27AQI (US)
40AQI (US)
51AQI (US)
18AQI (US)
13AQI (US)
17AQI (US)
19AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
33AQI (US)
22AQI (US)
27AQI (US)
33AQI (US)
50AQI (US)
35AQI (US)
28AQI (US)
24AQI (US)
41AQI (US)
32AQI (US)
27AQI (US)
38AQI (US)
40AQI (US)
28AQI (US)
22AQI (US)
28AQI (US)
31AQI (US)
25AQI (US)
25AQI (US)
20AQI (US)
34AQI (US)
28AQI (US)
25AQI (US)
35AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
40AQI (US)
34AQI (US)
24AQI (US)
33AQI (US)
32AQI (US)
54AQI (US)
28AQI (US)
18AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
35AQI (US)
31AQI (US)
34AQI (US)
39AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
35AQI (US)
38AQI (US)
31AQI (US)
36AQI (US)
24AQI (US)
34AQI (US)
34AQI (US)
46AQI (US)
46AQI (US)
53AQI (US)
39AQI (US)
27AQI (US)
29AQI (US)
39AQI (US)
51AQI (US)
46AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
37AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
31AQI (US)
47AQI (US)
54AQI (US)
38AQI (US)
26AQI (US)
41AQI (US)
42AQI (US)
32AQI (US)
24AQI (US)
31AQI (US)
27AQI (US)
37AQI (US)
52AQI (US)
42AQI (US)
49AQI (US)
47AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
39AQI (US)
26AQI (US)
23AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
40AQI (US)
43AQI (US)
31AQI (US)
37AQI (US)
37AQI (US)
41AQI (US)
35AQI (US)
34AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
33AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
77AQI (US)
80AQI (US)
43AQI (US)
42AQI (US)
52AQI (US)
29AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
No. of days
202647AQI (US)
Highest AQI (US) recorded in
February80AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202553AQI (US)
Highest AQI (US) recorded in
October70AQI (US)
Lowest AQI (US) recorded in
August45AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Nalayh's annual 2026 AQI (US) (47) shows an average percentage change of -11.3% (improved AQI (US)) compared to previous years: 2025 (53).