Nancheng Residential District, 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!
October Air Quality Analysis
Nancheng Residential District, Dongguan, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Nancheng Residential District, Dongguan, Guangdong Province, China
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
65AQI
37AQI
In the last 24 hours,
Nancheng Residential District's AQI reached its highest point of 65 at 12 AM during the Night, while the lowest point, 37, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Nancheng Residential District, Dongguan, Guangdong Province, China
31°C28/34°C
32°C27/36°C
30°C27/33°C
26°C25/27°C
28°C25/31°C
29°C26/33°C
30°C26/34°C
30°C27/35°C
30°C27/35°C
30°C27/35°C
30°C27/33°C
31°C27/35°C
30°C27/35°C
30°C26/35°C
27°C25/31°C
24°C23/24°C
27°C24/30°C
28°C25/33°C
27°C25/32°C
26°C24/26°C
26°C24/30°C
28°C24/33°C
30°C26/34°C
29°C26/33°C
29°C26/33°C
30°C26/34°C
30°C27/35°C
29°C26/33°C
30°C26/35°C
--°C/°C
--°C/°C
51AQI
47AQI
56AQI
48AQI
2025 Days Vs Air Quality
Nancheng Residential District, Dongguan, Guangdong Province, China
42%
54
58%
75
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 277 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Nancheng Residential District, Dongguan, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
57AQI
57AQI
59AQI
54AQI
50AQI
58AQI
65AQI
63AQI
59AQI
49AQI
56AQI
56AQI
46AQI
46AQI
43AQI
43AQI
44AQI
41AQI
40AQI
42AQI
43AQI
37AQI
36AQI
33AQI
33AQI
36AQI
37AQI
36AQI
33AQI
33AQI
34AQI
33AQI
34AQI
34AQI
46AQI
50AQI
54AQI
56AQI
62AQI
54AQI
57AQI
56AQI
48AQI
57AQI
54AQI
55AQI
56AQI
56AQI
57AQI
63AQI
57AQI
53AQI
51AQI
51AQI
51AQI
52AQI
55AQI
56AQI
59AQI
60AQI
63AQI
58AQI
58AQI
59AQI
56AQI
59AQI
63AQI
55AQI
53AQI
60AQI
60AQI
62AQI
59AQI
58AQI
57AQI
61AQI
53AQI
47AQI
54AQI
48AQI
42AQI
50AQI
49AQI
44AQI
53AQI
59AQI
45AQI
47AQI
55AQI
58AQI
61AQI
57AQI
51AQI
53AQI
56AQI
54AQI
54AQI
56AQI
52AQI
54AQI
47AQI
39AQI
44AQI
47AQI
56AQI
47AQI
44AQI
44AQI
47AQI
46AQI
53AQI
54AQI
50AQI
50AQI
49AQI
52AQI
54AQI
46AQI
47AQI
50AQI
56AQI
50AQI
46AQI
60AQI
57AQI
45AQI
52AQI
54AQI
53AQI
45AQI
54AQI
54AQI
50AQI
52AQI
No. of days
202551AQI
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
June45AQI
Most & Least Polluted Years Over the Last 1 Years
Nancheng Residential District's annual 2025 AQI (51) shows an average percentage change of NaN% (improved AQI) compared to previous years: .