Dongguan, Guangdong, 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
Dongguan, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 33 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Dongguan, Guangdong, China
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
36AQI
31AQI
36AQI
33AQI
In the last 24 hours,
Dongguan's AQI reached its highest point of 36 at 7 PM during the Day, while the lowest point, 31, was recorded at 3 PM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Dongguan, Guangdong, China
26°C24/28°C
26°C24/29°C
27°C24/32°C
29°C26/33°C
30°C26/36°C
31°C27/35°C
31°C28/35°C
32°C28/37°C
31°C27/34°C
30°C27/33°C
29°C26/32°C
28°C26/31°C
28°C27/32°C
27°C25/29°C
25°C23/26°C
27°C24/31°C
29°C26/32°C
28°C25/32°C
29°C26/32°C
29°C26/32°C
29°C26/34°C
30°C27/35°C
31°C27/36°C
29°C27/32°C
29°C26/32°C
29°C26/33°C
29°C26/32°C
29°C26/33°C
29°C26/33°C
30°C26/35°C
0°C0/0°C
42AQI
38AQI
43AQI
43AQI
2025 Days Vs Air Quality
Dongguan, Guangdong, China
23%
43
67%
122
9%
17
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: 23%
Health Risk Level:
Very high
In 2025, 23% of 184 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
Dongguan, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
128AQI
124AQI
99AQI
115AQI
115AQI
129AQI
132AQI
131AQI
112AQI
81AQI
78AQI
73AQI
90AQI
92AQI
85AQI
94AQI
86AQI
95AQI
99AQI
103AQI
104AQI
95AQI
98AQI
75AQI
67AQI
43AQI
56AQI
61AQI
96AQI
78AQI
71AQI
63AQI
62AQI
34AQI
57AQI
71AQI
74AQI
49AQI
65AQI
56AQI
77AQI
76AQI
77AQI
76AQI
88AQI
77AQI
113AQI
89AQI
98AQI
81AQI
85AQI
66AQI
78AQI
39AQI
67AQI
76AQI
87AQI
95AQI
74AQI
76AQI
62AQI
65AQI
51AQI
45AQI
34AQI
48AQI
59AQI
89AQI
77AQI
78AQI
74AQI
63AQI
60AQI
51AQI
35AQI
75AQI
63AQI
76AQI
78AQI
92AQI
95AQI
98AQI
101AQI
96AQI
74AQI
73AQI
72AQI
37AQI
28AQI
35AQI
54AQI
64AQI
87AQI
75AQI
66AQI
96AQI
106AQI
106AQI
81AQI
80AQI
65AQI
63AQI
177AQI
140AQI
131AQI
122AQI
94AQI
91AQI
73AQI
70AQI
63AQI
67AQI
66AQI
54AQI
51AQI
59AQI
65AQI
64AQI
67AQI
75AQI
76AQI
80AQI
80AQI
64AQI
61AQI
60AQI
53AQI
59AQI
48AQI
57AQI
55AQI
68AQI
69AQI
65AQI
58AQI
50AQI
49AQI
47AQI
50AQI
45AQI
50AQI
47AQI
51AQI
49AQI
78AQI
80AQI
86AQI
77AQI
63AQI
56AQI
59AQI
61AQI
55AQI
51AQI
57AQI
65AQI
65AQI
59AQI
50AQI
57AQI
54AQI
39AQI
42AQI
39AQI
44AQI
47AQI
42AQI
39AQI
40AQI
39AQI
35AQI
33AQI
29AQI
32AQI
36AQI
39AQI
33AQI
32AQI
33AQI
33AQI
32AQI
33AQI
33AQI
94AQI
73AQI
66AQI
82AQI
61AQI
44AQI
33AQI
No. of days
202570AQI
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
July33AQI
202465AQI
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
July37AQI
202369AQI
Highest AQI recorded in
November88AQI
Lowest AQI recorded in
July44AQI
202267AQI
Highest AQI recorded in
January89AQI
Lowest AQI recorded in
June38AQI
202171AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
May50AQI
202069AQI
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 6 Years
Dongguan's annual 2025 AQI (70) shows an average percentage change of 2.3% (worsened AQI) compared to previous years: 2020 (69), 2021 (71), 2022 (67), 2023 (69), 2024 (65).