Oct, Shenzhen, Guangdong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Oct, Shenzhen, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Oct, Shenzhen, Guangdong, China
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
57AQI
44AQI
59AQI
55AQI
In the last 24 hours,
Oct's AQI reached its highest point of 59 at 9 PM during the Night, while the lowest point, 44, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oct, Shenzhen, Guangdong, China
29°C27/33°C
30°C27/34°C
30°C27/35°C
30°C27/35°C
30°C28/33°C
30°C27/34°C
27°C26/30°C
26°C25/27°C
28°C26/31°C
29°C27/32°C
30°C27/33°C
29°C27/33°C
30°C28/33°C
31°C28/35°C
31°C28/34°C
29°C26/34°C
27°C26/27°C
27°C26/29°C
28°C26/31°C
28°C26/30°C
29°C26/33°C
29°C26/35°C
30°C27/35°C
29°C27/32°C
30°C27/34°C
29°C27/32°C
30°C28/34°C
30°C27/32°C
29°C27/33°C
28°C27/30°C
--°C/°C
57AQI
48AQI
49AQI
49AQI
2025 Days Vs Air Quality
Oct, Shenzhen, Guangdong, China
32%
68
60%
128
8%
18
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 215 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
Oct, Shenzhen, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
117AQI
113AQI
103AQI
104AQI
122AQI
130AQI
107AQI
128AQI
107AQI
91AQI
93AQI
69AQI
78AQI
77AQI
81AQI
109AQI
85AQI
111AQI
106AQI
111AQI
80AQI
98AQI
91AQI
62AQI
60AQI
42AQI
49AQI
58AQI
98AQI
63AQI
66AQI
54AQI
50AQI
32AQI
43AQI
66AQI
68AQI
51AQI
63AQI
60AQI
72AQI
61AQI
63AQI
82AQI
73AQI
79AQI
96AQI
82AQI
111AQI
69AQI
79AQI
84AQI
73AQI
51AQI
63AQI
87AQI
92AQI
74AQI
72AQI
64AQI
54AQI
54AQI
49AQI
42AQI
38AQI
48AQI
69AQI
64AQI
70AQI
71AQI
65AQI
61AQI
62AQI
49AQI
33AQI
74AQI
59AQI
84AQI
82AQI
86AQI
85AQI
84AQI
84AQI
83AQI
66AQI
65AQI
64AQI
37AQI
36AQI
34AQI
58AQI
57AQI
75AQI
63AQI
57AQI
87AQI
76AQI
89AQI
68AQI
67AQI
62AQI
55AQI
132AQI
136AQI
141AQI
119AQI
94AQI
84AQI
68AQI
63AQI
58AQI
60AQI
56AQI
51AQI
54AQI
49AQI
59AQI
68AQI
60AQI
72AQI
66AQI
75AQI
69AQI
61AQI
58AQI
52AQI
48AQI
63AQI
47AQI
59AQI
56AQI
66AQI
64AQI
57AQI
51AQI
39AQI
39AQI
42AQI
45AQI
42AQI
47AQI
42AQI
41AQI
50AQI
76AQI
68AQI
72AQI
58AQI
56AQI
44AQI
57AQI
55AQI
50AQI
53AQI
57AQI
56AQI
53AQI
45AQI
34AQI
44AQI
39AQI
34AQI
42AQI
34AQI
42AQI
46AQI
42AQI
40AQI
37AQI
38AQI
35AQI
31AQI
28AQI
27AQI
27AQI
29AQI
25AQI
27AQI
26AQI
27AQI
27AQI
26AQI
30AQI
37AQI
43AQI
46AQI
48AQI
57AQI
39AQI
49AQI
46AQI
45AQI
40AQI
53AQI
48AQI
53AQI
54AQI
59AQI
56AQI
58AQI
37AQI
40AQI
43AQI
38AQI
54AQI
66AQI
66AQI
59AQI
63AQI
59AQI
63AQI
56AQI
54AQI
54AQI
91AQI
70AQI
62AQI
75AQI
55AQI
38AQI
49AQI
54AQI
No. of days
202563AQI
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
June38AQI
202459AQI
Highest AQI recorded in
December97AQI
Lowest AQI recorded in
July26AQI
202359AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
July33AQI
202258AQI
Highest AQI recorded in
September87AQI
Lowest AQI recorded in
June30AQI
202160AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
July36AQI
202063AQI
Highest AQI recorded in
December103AQI
Lowest AQI recorded in
July30AQI
Most & Least Polluted Years Over the Last 6 Years
Oct's annual 2025 AQI (63) shows an average percentage change of 5.01% (worsened AQI) compared to previous years: 2020 (63), 2021 (60), 2022 (58), 2023 (59), 2024 (59).