Yunan County, Yunfu, 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
Yunan County, Yunfu, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (25th September ):
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: 25th Sep - 26th Sep 2025
Yunan County, Yunfu, Guangdong Province, China
6 AM25th Sep 2025
6 PM
5 AM26th Sep 2025
AQI
AQI
64AQI
24AQI
In the last 24 hours,
Yunan County's AQI reached its highest point of 64 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 25th Sep and 26th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yunan County, Yunfu, Guangdong Province, China
28°C24/34°C
26°C22/32°C
28°C24/35°C
27°C23/33°C
28°C24/35°C
28°C24/35°C
29°C24/35°C
29°C25/35°C
29°C25/34°C
30°C25/35°C
29°C25/34°C
28°C24/34°C
25°C24/25°C
24°C22/27°C
26°C22/31°C
27°C24/31°C
28°C24/34°C
28°C23/34°C
28°C24/34°C
28°C23/35°C
27°C24/32°C
28°C23/34°C
28°C23/34°C
28°C24/33°C
26°C22/31°C
22°C21/24°C
27°C22/33°C
27°C22/32°C
24°C22/27°C
--°C/°C
--°C/°C
56AQI
51AQI
55AQI
55AQI
2025 Days Vs Air Quality
Yunan County, Yunfu, Guangdong Province, China
27%
32
73%
88
Total number of days with different AQI categories in last 268 days in 2025 (97 days remaining)
Under WHO’s Safe Air Quality Limits: 27%
Health Risk Level:
Very high
In 2025, 27% of 268 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
Yunan County, Yunfu, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
62AQI
62AQI
70AQI
68AQI
60AQI
76AQI
68AQI
66AQI
62AQI
56AQI
63AQI
65AQI
62AQI
54AQI
49AQI
51AQI
52AQI
53AQI
50AQI
50AQI
47AQI
44AQI
41AQI
38AQI
39AQI
40AQI
41AQI
40AQI
41AQI
43AQI
44AQI
43AQI
44AQI
45AQI
51AQI
54AQI
63AQI
61AQI
64AQI
59AQI
60AQI
61AQI
55AQI
57AQI
57AQI
60AQI
57AQI
59AQI
63AQI
68AQI
61AQI
56AQI
51AQI
49AQI
50AQI
50AQI
55AQI
58AQI
62AQI
66AQI
64AQI
61AQI
62AQI
64AQI
59AQI
61AQI
63AQI
59AQI
55AQI
60AQI
59AQI
60AQI
59AQI
61AQI
61AQI
63AQI
62AQI
47AQI
54AQI
51AQI
43AQI
45AQI
49AQI
49AQI
57AQI
61AQI
55AQI
51AQI
56AQI
59AQI
62AQI
59AQI
57AQI
56AQI
58AQI
58AQI
60AQI
60AQI
63AQI
63AQI
59AQI
47AQI
48AQI
49AQI
57AQI
52AQI
52AQI
51AQI
54AQI
51AQI
55AQI
55AQI
56AQI
57AQI
50AQI
52AQI
53AQI
46AQI
46AQI
56AQI
53AQI
58AQI
57AQI
54AQI
No. of days
202555AQI
Highest AQI recorded in
July58AQI
Lowest AQI recorded in
June53AQI
Most & Least Polluted Years Over the Last 1 Years
Yunan County's annual 2025 AQI (55) shows an average percentage change of NaN% (improved AQI) compared to previous years: .