Erdenet, Orhon, Mongolia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Erdenet, Orhon, Mongolia
AQI Trends: Highest and Lowest
Same Day Analysis (18th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Aug - 20th Aug 2025
Erdenet, Orhon, Mongolia
5 AM19th Aug 2025
8 PM
4 AM20th Aug 2025
40AQI
27AQI
48AQI
36AQI
In the last 24 hours,
Erdenet's AQI reached its highest point of 48 at 11 PM during the Night, while the lowest point, 27, was recorded at 10 AM during the Day between 19th Aug and 20th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Erdenet, Orhon, Mongolia
17°C12/23°C
15°C9/20°C
14°C9/20°C
11°C5/18°C
12°C6/18°C
16°C11/23°C
18°C11/26°C
15°C9/21°C
18°C13/23°C
15°C11/21°C
16°C11/20°C
18°C13/24°C
17°C12/23°C
18°C13/23°C
13°C10/15°C
15°C10/22°C
16°C12/22°C
15°C11/20°C
16°C9/24°C
15°C11/22°C
15°C6/26°C
11°C6/16°C
11°C6/17°C
14°C10/20°C
14°C9/20°C
15°C10/22°C
17°C11/24°C
15°C10/22°C
16°C10/23°C
15°C11/20°C
--°C/°C
48AQI
38AQI
50AQI
45AQI
2025 Days Vs Air Quality
Erdenet, Orhon, Mongolia
26%
60
56%
129
7%
16
10%
22
1%
3
Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)
Under WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 232 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
Erdenet, Orhon, Mongolia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
176AQI
153AQI
176AQI
210AQI
187AQI
184AQI
129AQI
179AQI
173AQI
171AQI
160AQI
180AQI
143AQI
136AQI
178AQI
181AQI
207AQI
201AQI
183AQI
172AQI
181AQI
199AQI
177AQI
99AQI
83AQI
108AQI
138AQI
151AQI
144AQI
107AQI
167AQI
146AQI
134AQI
153AQI
109AQI
91AQI
78AQI
134AQI
133AQI
152AQI
110AQI
126AQI
152AQI
122AQI
107AQI
89AQI
84AQI
88AQI
91AQI
82AQI
64AQI
83AQI
82AQI
84AQI
90AQI
84AQI
84AQI
72AQI
47AQI
71AQI
68AQI
63AQI
46AQI
56AQI
51AQI
62AQI
52AQI
49AQI
51AQI
35AQI
45AQI
54AQI
61AQI
74AQI
78AQI
71AQI
95AQI
91AQI
83AQI
90AQI
85AQI
70AQI
77AQI
70AQI
63AQI
58AQI
62AQI
65AQI
70AQI
66AQI
69AQI
70AQI
71AQI
75AQI
76AQI
75AQI
80AQI
83AQI
94AQI
93AQI
90AQI
86AQI
75AQI
78AQI
86AQI
76AQI
75AQI
73AQI
78AQI
74AQI
87AQI
83AQI
71AQI
76AQI
75AQI
61AQI
64AQI
80AQI
87AQI
75AQI
68AQI
49AQI
57AQI
63AQI
56AQI
59AQI
52AQI
58AQI
52AQI
58AQI
65AQI
56AQI
44AQI
50AQI
47AQI
41AQI
47AQI
47AQI
52AQI
53AQI
56AQI
46AQI
51AQI
55AQI
52AQI
55AQI
60AQI
54AQI
47AQI
41AQI
41AQI
37AQI
34AQI
44AQI
41AQI
39AQI
37AQI
45AQI
43AQI
46AQI
48AQI
53AQI
48AQI
45AQI
51AQI
51AQI
53AQI
57AQI
53AQI
53AQI
55AQI
57AQI
52AQI
64AQI
69AQI
62AQI
60AQI
65AQI
61AQI
58AQI
54AQI
52AQI
50AQI
54AQI
65AQI
64AQI
62AQI
57AQI
54AQI
51AQI
50AQI
53AQI
51AQI
55AQI
51AQI
51AQI
44AQI
43AQI
48AQI
52AQI
49AQI
49AQI
45AQI
39AQI
39AQI
35AQI
41AQI
44AQI
42AQI
39AQI
43AQI
45AQI
59AQI
60AQI
54AQI
49AQI
46AQI
49AQI
47AQI
40AQI
41AQI
39AQI
38AQI
44AQI
47AQI
47AQI
48AQI
47AQI
42AQI
39AQI
162AQI
103AQI
66AQI
78AQI
53AQI
51AQI
49AQI
46AQI
No. of days
202577AQI
Highest AQI recorded in
January162AQI
Lowest AQI recorded in
August46AQI
202479AQI
Highest AQI recorded in
December160AQI
Lowest AQI recorded in
October38AQI
202381AQI
Highest AQI recorded in
December165AQI
Lowest AQI recorded in
March46AQI
202282AQI
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
October65AQI
Most & Least Polluted Years Over the Last 4 Years
Erdenet's annual 2025 AQI (77) shows an average percentage change of -4.3% (improved AQI) compared to previous years: 2022 (82), 2023 (81), 2024 (79).