Dongguan, Guangdong Province, 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
Dongguan, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Dongguan, Guangdong Province, China
5 AM21st Aug 2025
7 PM
4 AM22nd Aug 2025
50AQI
34AQI
54AQI
41AQI
In the last 24 hours,
Dongguan's AQI reached its highest point of 54 at 9 PM during the Night, while the lowest point, 34, was recorded at 6 PM during the Day between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dongguan, Guangdong Province, China
29°C26/32°C
30°C27/35°C
31°C27/37°C
32°C28/37°C
32°C29/36°C
31°C28/36°C
31°C28/36°C
32°C28/37°C
32°C29/37°C
32°C28/35°C
30°C27/34°C
27°C26/28°C
27°C26/28°C
26°C25/26°C
26°C25/29°C
28°C26/30°C
30°C26/35°C
31°C28/35°C
31°C28/35°C
31°C28/35°C
31°C27/35°C
32°C28/36°C
28°C25/29°C
28°C24/33°C
30°C26/36°C
28°C26/32°C
27°C25/29°C
28°C26/31°C
30°C27/33°C
30°C28/33°C
--°C/°C
56AQI
50AQI
56AQI
55AQI
2025 Days Vs Air Quality
Dongguan, Guangdong Province, China
44%
37
56%
48
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 234 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Dongguan, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
56AQI
57AQI
59AQI
54AQI
50AQI
58AQI
63AQI
63AQI
58AQI
50AQI
56AQI
54AQI
43AQI
44AQI
41AQI
43AQI
44AQI
40AQI
39AQI
40AQI
41AQI
36AQI
34AQI
31AQI
31AQI
35AQI
35AQI
32AQI
32AQI
32AQI
35AQI
32AQI
33AQI
33AQI
47AQI
51AQI
55AQI
57AQI
62AQI
52AQI
57AQI
55AQI
47AQI
55AQI
54AQI
56AQI
56AQI
56AQI
59AQI
64AQI
58AQI
49AQI
50AQI
50AQI
49AQI
53AQI
56AQI
58AQI
62AQI
61AQI
64AQI
60AQI
58AQI
58AQI
56AQI
57AQI
61AQI
53AQI
51AQI
58AQI
62AQI
62AQI
58AQI
55AQI
56AQI
60AQI
53AQI
45AQI
53AQI
48AQI
42AQI
50AQI
48AQI
46AQI
50AQI
44AQI
54AQI
54AQI
No. of days
202550AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
June44AQI
Most & Least Polluted Years Over the Last 1 Years
Dongguan's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .