Shenzhen, 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
Shenzhen, 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 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Shenzhen, Guangdong Province, China
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
51AQI
21AQI
53AQI
44AQI
In the last 24 hours,
Shenzhen's AQI reached its highest point of 53 at 8 PM during the Night, while the lowest point, 21, was recorded at 9 AM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Shenzhen, Guangdong Province, China
29°C26/34°C
29°C26/34°C
28°C25/31°C
28°C25/32°C
28°C25/33°C
28°C25/32°C
28°C25/31°C
29°C25/34°C
28°C25/33°C
28°C26/33°C
29°C25/33°C
28°C25/33°C
29°C25/34°C
29°C26/34°C
29°C25/33°C
29°C26/35°C
27°C25/30°C
25°C24/27°C
26°C24/29°C
28°C24/32°C
28°C25/33°C
28°C25/32°C
28°C24/33°C
28°C25/33°C
28°C25/33°C
29°C25/33°C
28°C25/33°C
28°C25/33°C
25°C23/27°C
24°C24/25°C
--°C/°C
45AQI
42AQI
46AQI
44AQI
2025 Days Vs Air Quality
Shenzhen, Guangdong Province, China
70%
80
30%
35
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 264 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
Shenzhen, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
46AQI
56AQI
58AQI
54AQI
50AQI
53AQI
56AQI
55AQI
51AQI
43AQI
48AQI
44AQI
36AQI
37AQI
37AQI
44AQI
44AQI
42AQI
39AQI
36AQI
34AQI
33AQI
30AQI
26AQI
26AQI
29AQI
29AQI
26AQI
27AQI
27AQI
28AQI
27AQI
28AQI
31AQI
40AQI
46AQI
47AQI
47AQI
57AQI
41AQI
51AQI
45AQI
45AQI
47AQI
53AQI
53AQI
52AQI
53AQI
58AQI
56AQI
59AQI
38AQI
41AQI
44AQI
42AQI
53AQI
61AQI
62AQI
62AQI
60AQI
61AQI
63AQI
56AQI
56AQI
54AQI
55AQI
55AQI
51AQI
47AQI
53AQI
60AQI
55AQI
45AQI
45AQI
51AQI
54AQI
46AQI
39AQI
45AQI
42AQI
37AQI
40AQI
41AQI
41AQI
44AQI
48AQI
45AQI
43AQI
47AQI
50AQI
54AQI
50AQI
49AQI
47AQI
48AQI
47AQI
46AQI
41AQI
43AQI
48AQI
46AQI
38AQI
40AQI
40AQI
41AQI
41AQI
41AQI
42AQI
41AQI
40AQI
49AQI
49AQI
43AQI
43AQI
47AQI
39AQI
50AQI
48AQI
43AQI
No. of days
202545AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 1 Years
Shenzhen's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .