Longgang, 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!
October Air Quality Analysis
Longgang, Shenzhen, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Longgang, Shenzhen, Guangdong Province, China
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
47AQI
30AQI
62AQI
41AQI
In the last 24 hours,
Longgang's AQI reached its highest point of 62 at 12 AM during the Night, while the lowest point, 30, was recorded at 12 PM during the Day between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Longgang, Shenzhen, Guangdong Province, China
29°C26/32°C
29°C27/32°C
30°C27/33°C
28°C25/30°C
26°C25/27°C
27°C26/28°C
28°C26/31°C
28°C26/32°C
28°C26/32°C
29°C26/32°C
28°C26/32°C
29°C26/32°C
29°C27/32°C
29°C26/33°C
28°C25/32°C
26°C25/29°C
25°C24/25°C
27°C24/30°C
28°C25/33°C
27°C25/29°C
26°C25/27°C
27°C25/29°C
28°C24/31°C
28°C25/32°C
28°C26/31°C
28°C26/31°C
28°C25/32°C
28°C25/31°C
27°C25/30°C
28°C25/32°C
--°C/°C
41AQI
40AQI
42AQI
42AQI
2025 Days Vs Air Quality
Longgang, Shenzhen, Guangdong Province, China
74%
95
26%
33
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 277 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
Longgang, Shenzhen, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
47AQI
58AQI
58AQI
52AQI
50AQI
54AQI
56AQI
55AQI
49AQI
46AQI
48AQI
44AQI
37AQI
37AQI
39AQI
45AQI
45AQI
45AQI
41AQI
38AQI
34AQI
34AQI
28AQI
23AQI
25AQI
28AQI
28AQI
27AQI
28AQI
26AQI
27AQI
27AQI
29AQI
32AQI
40AQI
47AQI
45AQI
47AQI
56AQI
41AQI
51AQI
44AQI
48AQI
46AQI
53AQI
54AQI
52AQI
54AQI
59AQI
55AQI
60AQI
36AQI
39AQI
40AQI
38AQI
50AQI
61AQI
63AQI
63AQI
62AQI
61AQI
63AQI
55AQI
56AQI
55AQI
54AQI
54AQI
50AQI
45AQI
52AQI
58AQI
54AQI
40AQI
42AQI
52AQI
55AQI
47AQI
40AQI
46AQI
45AQI
37AQI
39AQI
40AQI
41AQI
42AQI
48AQI
46AQI
43AQI
47AQI
50AQI
53AQI
50AQI
50AQI
48AQI
48AQI
49AQI
48AQI
39AQI
44AQI
50AQI
49AQI
40AQI
41AQI
42AQI
42AQI
41AQI
44AQI
44AQI
42AQI
40AQI
49AQI
50AQI
42AQI
43AQI
35AQI
45AQI
51AQI
34AQI
30AQI
38AQI
30AQI
33AQI
31AQI
41AQI
46AQI
35AQI
33AQI
50AQI
39AQI
50AQI
48AQI
42AQI
38AQI
No. of days
202545AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
October38AQI
Most & Least Polluted Years Over the Last 1 Years
Longgang's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .