Ulanhot, Inner Mongolia, China 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
Ulanhot, Inner Mongolia, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 44 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Ulanhot, Inner Mongolia, China
4 AM4th Aug 2025
7 PM
3 AM5th Aug 2025
51AQI
21AQI
54AQI
48AQI
In the last 24 hours,
Ulanhot's AQI reached its highest point of 54 at 9 PM during the Night, while the lowest point, 21, was recorded at 2 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ulanhot, Inner Mongolia, China
25°C18/32°C
25°C19/31°C
25°C19/31°C
26°C19/33°C
29°C25/35°C
28°C22/37°C
27°C22/33°C
26°C20/32°C
25°C19/31°C
24°C19/28°C
21°C18/27°C
24°C18/30°C
27°C19/33°C
24°C20/26°C
24°C18/32°C
27°C20/34°C
30°C22/38°C
30°C23/36°C
29°C23/36°C
28°C23/34°C
27°C23/33°C
25°C20/32°C
25°C19/32°C
21°C17/25°C
22°C16/29°C
24°C18/30°C
24°C20/29°C
23°C19/29°C
22°C18/27°C
24°C18/30°C
--°C/°C
57AQI
50AQI
58AQI
58AQI
2025 Days Vs Air Quality
Ulanhot, Inner Mongolia, China
5%
10
76%
164
17%
37
2%
5
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 217 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
Ulanhot, Inner Mongolia, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
65AQI
73AQI
97AQI
134AQI
79AQI
95AQI
79AQI
85AQI
97AQI
106AQI
101AQI
80AQI
84AQI
68AQI
72AQI
82AQI
83AQI
77AQI
108AQI
106AQI
123AQI
148AQI
156AQI
170AQI
186AQI
143AQI
117AQI
99AQI
104AQI
94AQI
108AQI
86AQI
82AQI
72AQI
83AQI
81AQI
66AQI
61AQI
78AQI
88AQI
116AQI
76AQI
77AQI
78AQI
80AQI
75AQI
64AQI
67AQI
69AQI
70AQI
69AQI
77AQI
64AQI
65AQI
70AQI
62AQI
66AQI
67AQI
66AQI
92AQI
102AQI
116AQI
139AQI
113AQI
141AQI
135AQI
165AQI
135AQI
163AQI
95AQI
98AQI
76AQI
81AQI
84AQI
108AQI
77AQI
86AQI
62AQI
73AQI
90AQI
143AQI
74AQI
132AQI
124AQI
86AQI
79AQI
66AQI
67AQI
71AQI
76AQI
70AQI
78AQI
109AQI
87AQI
100AQI
117AQI
72AQI
84AQI
91AQI
136AQI
67AQI
91AQI
66AQI
74AQI
67AQI
108AQI
62AQI
75AQI
70AQI
115AQI
56AQI
74AQI
70AQI
70AQI
89AQI
73AQI
69AQI
72AQI
60AQI
61AQI
58AQI
58AQI
54AQI
58AQI
67AQI
82AQI
88AQI
80AQI
77AQI
106AQI
117AQI
105AQI
135AQI
86AQI
126AQI
77AQI
86AQI
69AQI
113AQI
85AQI
76AQI
62AQI
74AQI
67AQI
86AQI
86AQI
105AQI
103AQI
107AQI
83AQI
78AQI
76AQI
68AQI
68AQI
64AQI
66AQI
57AQI
78AQI
69AQI
67AQI
62AQI
76AQI
73AQI
71AQI
76AQI
74AQI
69AQI
68AQI
66AQI
63AQI
56AQI
52AQI
59AQI
65AQI
75AQI
69AQI
77AQI
65AQI
75AQI
73AQI
77AQI
61AQI
63AQI
68AQI
62AQI
62AQI
63AQI
66AQI
68AQI
73AQI
71AQI
64AQI
67AQI
57AQI
54AQI
53AQI
53AQI
52AQI
52AQI
49AQI
46AQI
48AQI
55AQI
55AQI
52AQI
53AQI
50AQI
51AQI
47AQI
46AQI
47AQI
50AQI
54AQI
44AQI
44AQI
103AQI
76AQI
101AQI
82AQI
85AQI
69AQI
58AQI
48AQI
No. of days
202581AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
August48AQI
202475AQI
Highest AQI recorded in
February94AQI
Lowest AQI recorded in
September51AQI
202372AQI
Highest AQI recorded in
April98AQI
Lowest AQI recorded in
August51AQI
202275AQI
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
August55AQI
202174AQI
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
July56AQI
202069AQI
Highest AQI recorded in
April95AQI
Lowest AQI recorded in
June56AQI
Most & Least Polluted Years Over the Last 6 Years
Ulanhot's annual 2025 AQI (81) shows an average percentage change of 11.6% (worsened AQI) compared to previous years: 2020 (69), 2021 (74), 2022 (75), 2023 (72), 2024 (75).