Haicheng, Shanwei, 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
Haicheng, Shanwei, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Haicheng, Shanwei, Guangdong Province, China
6 AM22nd Sep 2025
6 PM
5 AM23rd Sep 2025
46AQI
34AQI
50AQI
38AQI
In the last 24 hours,
Haicheng's AQI reached its highest point of 50 at 1 AM during the Night, while the lowest point, 34, was recorded at 11 AM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Haicheng, Shanwei, Guangdong Province, China
28°C25/32°C
28°C24/33°C
28°C25/33°C
27°C24/32°C
27°C24/32°C
28°C24/33°C
28°C25/32°C
28°C24/32°C
28°C25/33°C
28°C24/33°C
28°C25/33°C
29°C25/34°C
28°C25/33°C
28°C24/33°C
27°C25/29°C
26°C25/28°C
26°C24/29°C
27°C25/32°C
28°C24/32°C
28°C24/32°C
28°C24/33°C
27°C24/32°C
27°C24/32°C
28°C24/33°C
28°C25/32°C
27°C24/31°C
25°C24/25°C
25°C24/27°C
26°C24/29°C
27°C23/33°C
--°C/°C
50AQI
40AQI
50AQI
45AQI
2025 Days Vs Air Quality
Haicheng, Shanwei, Guangdong Province, China
72%
84
28%
33
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 266 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Haicheng, Shanwei, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
48AQI
56AQI
58AQI
55AQI
40AQI
55AQI
57AQI
54AQI
52AQI
42AQI
49AQI
46AQI
39AQI
42AQI
34AQI
44AQI
43AQI
40AQI
35AQI
37AQI
33AQI
32AQI
29AQI
23AQI
25AQI
28AQI
32AQI
31AQI
29AQI
30AQI
30AQI
30AQI
27AQI
27AQI
35AQI
42AQI
43AQI
40AQI
51AQI
51AQI
51AQI
50AQI
46AQI
50AQI
53AQI
53AQI
53AQI
53AQI
54AQI
52AQI
51AQI
47AQI
46AQI
44AQI
44AQI
47AQI
53AQI
54AQI
55AQI
55AQI
57AQI
57AQI
55AQI
55AQI
51AQI
52AQI
46AQI
43AQI
45AQI
50AQI
51AQI
53AQI
45AQI
45AQI
52AQI
55AQI
45AQI
43AQI
48AQI
45AQI
38AQI
41AQI
46AQI
43AQI
48AQI
53AQI
47AQI
43AQI
48AQI
47AQI
50AQI
50AQI
47AQI
48AQI
48AQI
49AQI
50AQI
48AQI
49AQI
53AQI
48AQI
42AQI
44AQI
42AQI
46AQI
45AQI
43AQI
43AQI
43AQI
45AQI
50AQI
43AQI
39AQI
39AQI
39AQI
45AQI
50AQI
39AQI
48AQI
48AQI
45AQI
No. of days
202545AQI
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 1 Years
Haicheng's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .