No29 Middle School, Hohhot, Inner Mongolia, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
No29 Middle School, Hohhot, Inner Mongolia, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 63 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
No29 Middle School, Hohhot, Inner Mongolia, China
5 AM2nd Jul 2025
8 PM
4 AM3rd Jul 2025
83AQI
42AQI
63AQI
42AQI
In the last 24 hours,
No29 Middle School's AQI reached its highest point of 83 at 2 PM during the Day, while the lowest point, 42, was recorded at 12 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
No29 Middle School, Hohhot, Inner Mongolia, China
18°C11/24°C
21°C13/28°C
24°C17/32°C
24°C17/32°C
23°C17/29°C
24°C16/32°C
23°C18/28°C
20°C13/28°C
27°C18/36°C
26°C21/32°C
24°C17/30°C
19°C15/22°C
15°C11/20°C
22°C12/30°C
25°C17/34°C
25°C20/32°C
24°C19/30°C
24°C16/31°C
25°C17/32°C
25°C18/32°C
25°C20/32°C
26°C19/33°C
24°C21/29°C
21°C16/25°C
21°C16/26°C
21°C16/27°C
24°C17/32°C
21°C17/25°C
23°C14/31°C
20°C16/21°C
0°C0/0°C
60AQI
49AQI
56AQI
53AQI
2025 Days Vs Air Quality
No29 Middle School, Hohhot, Inner Mongolia, China
15%
28
69%
127
11%
21
3%
6
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 184 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
No29 Middle School, Hohhot, Inner Mongolia, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
92AQI
74AQI
78AQI
101AQI
60AQI
59AQI
56AQI
38AQI
58AQI
72AQI
77AQI
73AQI
101AQI
38AQI
86AQI
83AQI
101AQI
125AQI
106AQI
121AQI
99AQI
118AQI
129AQI
128AQI
139AQI
102AQI
77AQI
104AQI
152AQI
169AQI
165AQI
156AQI
73AQI
69AQI
55AQI
57AQI
62AQI
42AQI
57AQI
66AQI
93AQI
78AQI
88AQI
104AQI
88AQI
79AQI
47AQI
67AQI
37AQI
43AQI
35AQI
32AQI
29AQI
45AQI
59AQI
56AQI
75AQI
91AQI
84AQI
99AQI
49AQI
63AQI
79AQI
51AQI
49AQI
67AQI
78AQI
83AQI
108AQI
132AQI
86AQI
79AQI
75AQI
47AQI
60AQI
43AQI
58AQI
55AQI
54AQI
75AQI
89AQI
258AQI
182AQI
143AQI
183AQI
94AQI
77AQI
55AQI
66AQI
64AQI
63AQI
53AQI
95AQI
62AQI
74AQI
105AQI
68AQI
90AQI
75AQI
76AQI
121AQI
60AQI
62AQI
47AQI
78AQI
133AQI
82AQI
91AQI
87AQI
102AQI
74AQI
88AQI
58AQI
62AQI
68AQI
70AQI
45AQI
65AQI
68AQI
61AQI
66AQI
58AQI
55AQI
68AQI
88AQI
73AQI
91AQI
89AQI
75AQI
86AQI
74AQI
91AQI
85AQI
61AQI
70AQI
120AQI
67AQI
83AQI
76AQI
94AQI
67AQI
74AQI
86AQI
82AQI
80AQI
69AQI
66AQI
73AQI
88AQI
97AQI
62AQI
76AQI
37AQI
46AQI
48AQI
56AQI
50AQI
47AQI
51AQI
45AQI
56AQI
63AQI
77AQI
65AQI
54AQI
40AQI
50AQI
59AQI
58AQI
50AQI
51AQI
44AQI
29AQI
49AQI
56AQI
61AQI
74AQI
68AQI
67AQI
63AQI
67AQI
64AQI
63AQI
96AQI
67AQI
87AQI
76AQI
78AQI
55AQI
64AQI
No. of days
202577AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
June55AQI
202477AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
August50AQI
202388AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
August58AQI
202271AQI
Highest AQI recorded in
January105AQI
Lowest AQI recorded in
August20AQI
202186AQI
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
June45AQI
202069AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
September48AQI
Most & Least Polluted Years Over the Last 6 Years
No29 Middle School's annual 2025 AQI (77) shows an average percentage change of -0.8% (improved AQI) compared to previous years: 2020 (69), 2021 (86), 2022 (71), 2023 (88), 2024 (77).