Hebei University Of Technology, Langfang, Hebei, 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
Hebei University Of Technology, Langfang, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 71 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Hebei University Of Technology, Langfang, Hebei, China
4 AM2nd Jul 2025
7 PM
3 AM3rd Jul 2025
82AQI
64AQI
71AQI
69AQI
In the last 24 hours,
Hebei University Of Technology's AQI reached its highest point of 82 at 9 AM during the Day, while the lowest point, 64, was recorded at 4 PM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Hebei University Of Technology, Langfang, Hebei, China
25°C17/31°C
28°C19/35°C
31°C22/40°C
31°C24/38°C
28°C23/33°C
28°C20/36°C
29°C22/36°C
28°C19/35°C
30°C22/38°C
32°C25/38°C
29°C22/36°C
24°C21/32°C
23°C19/29°C
23°C19/29°C
29°C21/37°C
30°C22/40°C
27°C24/31°C
28°C21/35°C
29°C23/35°C
32°C24/40°C
34°C26/41°C
34°C27/42°C
32°C24/40°C
29°C24/35°C
25°C23/27°C
27°C21/33°C
28°C23/34°C
29°C23/34°C
26°C24/30°C
29°C25/33°C
0°C0/0°C
74AQI
75AQI
74AQI
70AQI
2025 Days Vs Air Quality
Hebei University Of Technology, Langfang, Hebei, China
72%
131
27%
49
2%
3
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% 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
Hebei University Of Technology, Langfang, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
100AQI
71AQI
83AQI
105AQI
92AQI
85AQI
73AQI
63AQI
60AQI
59AQI
61AQI
60AQI
81AQI
60AQI
69AQI
62AQI
84AQI
111AQI
84AQI
119AQI
98AQI
106AQI
102AQI
127AQI
133AQI
121AQI
96AQI
96AQI
142AQI
107AQI
125AQI
108AQI
105AQI
83AQI
77AQI
68AQI
66AQI
57AQI
54AQI
57AQI
99AQI
116AQI
89AQI
112AQI
113AQI
124AQI
91AQI
85AQI
86AQI
78AQI
80AQI
69AQI
67AQI
59AQI
71AQI
67AQI
84AQI
122AQI
139AQI
163AQI
122AQI
110AQI
107AQI
122AQI
93AQI
117AQI
128AQI
142AQI
154AQI
164AQI
125AQI
147AQI
124AQI
112AQI
92AQI
83AQI
76AQI
75AQI
65AQI
65AQI
63AQI
84AQI
67AQI
67AQI
85AQI
66AQI
72AQI
60AQI
69AQI
81AQI
73AQI
67AQI
82AQI
104AQI
74AQI
102AQI
87AQI
85AQI
84AQI
99AQI
118AQI
95AQI
92AQI
78AQI
80AQI
109AQI
92AQI
93AQI
89AQI
104AQI
123AQI
88AQI
98AQI
71AQI
82AQI
105AQI
78AQI
87AQI
85AQI
82AQI
73AQI
77AQI
63AQI
74AQI
84AQI
73AQI
93AQI
105AQI
81AQI
88AQI
90AQI
100AQI
97AQI
83AQI
80AQI
107AQI
76AQI
90AQI
95AQI
121AQI
107AQI
124AQI
115AQI
98AQI
98AQI
100AQI
102AQI
104AQI
102AQI
103AQI
106AQI
111AQI
96AQI
78AQI
72AQI
76AQI
73AQI
71AQI
71AQI
75AQI
69AQI
75AQI
84AQI
87AQI
87AQI
78AQI
68AQI
72AQI
78AQI
70AQI
66AQI
63AQI
58AQI
69AQI
75AQI
71AQI
72AQI
72AQI
76AQI
78AQI
73AQI
70AQI
71AQI
91AQI
87AQI
100AQI
90AQI
94AQI
75AQI
71AQI
No. of days
202590AQI
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
July71AQI
202486AQI
Highest AQI recorded in
March125AQI
Lowest AQI recorded in
August56AQI
2023111AQI
Highest AQI recorded in
March134AQI
Lowest AQI recorded in
November43AQI
202296AQI
Highest AQI recorded in
January113AQI
Lowest AQI recorded in
December77AQI
202195AQI
Highest AQI recorded in
March154AQI
Lowest AQI recorded in
July49AQI
202094AQI
Highest AQI recorded in
July108AQI
Lowest AQI recorded in
May69AQI
Most & Least Polluted Years Over the Last 6 Years
Hebei University Of Technology's annual 2025 AQI (90) shows an average percentage change of -6.4% (improved AQI) compared to previous years: 2020 (94), 2021 (95), 2022 (96), 2023 (111), 2024 (86).