Technician College, Qingyuan, Guangdong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Technician College, Qingyuan, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 56 of Moderate air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Technician College, Qingyuan, Guangdong, China
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
62AQI
54AQI
60AQI
54AQI
In the last 24 hours,
Technician College's AQI reached its highest point of 62 at 8 AM during the Day, while the lowest point, 54, was recorded at 2 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Technician College, Qingyuan, Guangdong, China
27°C25/29°C
27°C24/32°C
28°C25/32°C
28°C25/32°C
29°C24/35°C
28°C25/32°C
28°C25/33°C
29°C25/34°C
29°C25/34°C
27°C24/32°C
29°C24/34°C
29°C25/33°C
29°C25/34°C
29°C26/34°C
30°C25/35°C
30°C26/34°C
30°C26/34°C
30°C26/34°C
30°C26/34°C
29°C26/33°C
25°C25/27°C
27°C24/31°C
27°C25/31°C
28°C24/32°C
28°C25/33°C
29°C25/33°C
29°C25/33°C
29°C25/33°C
29°C24/33°C
29°C25/34°C
--°C/°C
57AQI
54AQI
57AQI
57AQI
2025 Days Vs Air Quality
Technician College, Qingyuan, Guangdong, China
22%
57
65%
168
13%
34
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 261 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
Technician College, Qingyuan, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
138AQI
121AQI
114AQI
121AQI
143AQI
140AQI
138AQI
129AQI
124AQI
81AQI
88AQI
76AQI
88AQI
101AQI
92AQI
91AQI
84AQI
86AQI
91AQI
93AQI
116AQI
114AQI
127AQI
98AQI
86AQI
51AQI
63AQI
67AQI
93AQI
112AQI
97AQI
92AQI
60AQI
40AQI
65AQI
77AQI
73AQI
54AQI
65AQI
52AQI
72AQI
87AQI
88AQI
81AQI
96AQI
82AQI
101AQI
79AQI
82AQI
94AQI
108AQI
64AQI
78AQI
38AQI
68AQI
81AQI
102AQI
130AQI
121AQI
91AQI
82AQI
84AQI
47AQI
42AQI
31AQI
45AQI
58AQI
82AQI
111AQI
90AQI
88AQI
78AQI
74AQI
38AQI
40AQI
73AQI
61AQI
69AQI
71AQI
82AQI
109AQI
126AQI
137AQI
134AQI
103AQI
93AQI
86AQI
45AQI
36AQI
35AQI
55AQI
67AQI
85AQI
99AQI
97AQI
109AQI
138AQI
119AQI
124AQI
99AQI
94AQI
90AQI
166AQI
135AQI
125AQI
128AQI
107AQI
122AQI
87AQI
88AQI
69AQI
80AQI
82AQI
61AQI
41AQI
69AQI
69AQI
47AQI
74AQI
88AQI
68AQI
87AQI
88AQI
65AQI
67AQI
59AQI
54AQI
59AQI
44AQI
59AQI
54AQI
69AQI
83AQI
78AQI
65AQI
56AQI
58AQI
51AQI
61AQI
55AQI
56AQI
55AQI
54AQI
48AQI
80AQI
84AQI
85AQI
100AQI
57AQI
57AQI
67AQI
74AQI
64AQI
48AQI
72AQI
65AQI
70AQI
67AQI
63AQI
66AQI
70AQI
51AQI
47AQI
42AQI
38AQI
44AQI
41AQI
40AQI
43AQI
42AQI
40AQI
37AQI
34AQI
41AQI
43AQI
48AQI
38AQI
40AQI
38AQI
44AQI
37AQI
34AQI
40AQI
49AQI
61AQI
67AQI
66AQI
69AQI
60AQI
65AQI
55AQI
47AQI
57AQI
59AQI
62AQI
61AQI
63AQI
67AQI
66AQI
57AQI
44AQI
44AQI
41AQI
43AQI
50AQI
51AQI
55AQI
61AQI
58AQI
58AQI
63AQI
58AQI
60AQI
56AQI
58AQI
58AQI
51AQI
48AQI
53AQI
60AQI
66AQI
60AQI
61AQI
60AQI
61AQI
57AQI
44AQI
52AQI
49AQI
43AQI
47AQI
50AQI
49AQI
57AQI
59AQI
50AQI
48AQI
53AQI
59AQI
61AQI
56AQI
54AQI
55AQI
61AQI
61AQI
61AQI
74AQI
72AQI
70AQI
60AQI
44AQI
50AQI
50AQI
60AQI
56AQI
58AQI
59AQI
56AQI
49AQI
56AQI
102AQI
80AQI
76AQI
94AQI
65AQI
50AQI
56AQI
55AQI
59AQI
No. of days
202571AQI
Highest AQI recorded in
January102AQI
Lowest AQI recorded in
June50AQI
202468AQI
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
June48AQI
202374AQI
Highest AQI recorded in
February93AQI
Lowest AQI recorded in
July53AQI
202275AQI
Highest AQI recorded in
September92AQI
Lowest AQI recorded in
February51AQI
202176AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
August51AQI
202079AQI
Highest AQI recorded in
November102AQI
Lowest AQI recorded in
June54AQI
Most & Least Polluted Years Over the Last 6 Years
Technician College's annual 2025 AQI (71) shows an average percentage change of -4.1% (improved AQI) compared to previous years: 2020 (79), 2021 (76), 2022 (75), 2023 (74), 2024 (68).