Guangzhou, Guangdong Province, 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
Guangzhou, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Guangzhou, Guangdong Province, China
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
55AQI
38AQI
54AQI
39AQI
In the last 24 hours,
Guangzhou's AQI reached its highest point of 55 at 6 AM during the Day, while the lowest point, 38, was recorded at 6 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Guangzhou, Guangdong Province, China
31°C28/35°C
32°C29/37°C
31°C28/34°C
31°C28/36°C
32°C28/36°C
32°C29/35°C
30°C27/34°C
32°C28/36°C
32°C28/35°C
31°C28/36°C
32°C29/36°C
32°C29/37°C
32°C29/37°C
33°C29/37°C
32°C29/37°C
33°C29/37°C
31°C28/35°C
26°C25/27°C
28°C26/32°C
29°C26/33°C
30°C26/34°C
31°C27/36°C
31°C28/36°C
31°C28/36°C
31°C28/36°C
31°C28/35°C
32°C28/36°C
32°C28/36°C
29°C27/32°C
24°C22/25°C
--°C/°C
55AQI
52AQI
55AQI
55AQI
2025 Days Vs Air Quality
Guangzhou, Guangdong Province, China
35%
40
65%
75
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 264 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Guangzhou, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
58AQI
59AQI
65AQI
60AQI
52AQI
63AQI
60AQI
64AQI
56AQI
51AQI
57AQI
59AQI
48AQI
47AQI
44AQI
44AQI
46AQI
43AQI
40AQI
41AQI
38AQI
37AQI
33AQI
30AQI
32AQI
34AQI
39AQI
33AQI
33AQI
33AQI
35AQI
33AQI
34AQI
36AQI
48AQI
54AQI
60AQI
60AQI
67AQI
56AQI
61AQI
57AQI
48AQI
56AQI
54AQI
58AQI
59AQI
60AQI
64AQI
70AQI
58AQI
46AQI
47AQI
46AQI
48AQI
53AQI
56AQI
58AQI
67AQI
70AQI
65AQI
64AQI
63AQI
62AQI
57AQI
59AQI
61AQI
56AQI
52AQI
56AQI
64AQI
65AQI
59AQI
58AQI
60AQI
62AQI
57AQI
46AQI
53AQI
50AQI
43AQI
47AQI
48AQI
48AQI
54AQI
59AQI
51AQI
51AQI
57AQI
59AQI
62AQI
58AQI
55AQI
56AQI
58AQI
58AQI
57AQI
55AQI
57AQI
61AQI
55AQI
43AQI
47AQI
49AQI
56AQI
51AQI
49AQI
50AQI
51AQI
51AQI
58AQI
56AQI
53AQI
51AQI
51AQI
45AQI
56AQI
56AQI
53AQI
No. of days
202552AQI
Highest AQI recorded in
July56AQI
Lowest AQI recorded in
June45AQI
Most & Least Polluted Years Over the Last 1 Years
Guangzhou's annual 2025 AQI (52) shows an average percentage change of NaN% (improved AQI) compared to previous years: .