Land Environment And Resources Bureau, Basuo, Hainan, 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
Land Environment And Resources Bureau, Basuo, Hainan, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Aug - 19th Aug 2025
Land Environment And Resources Bureau, Basuo, Hainan, China
6 AM18th Aug 2025
7 PM
5 AM19th Aug 2025
38AQI
20AQI
43AQI
30AQI
In the last 24 hours,
Land Environment And Resources Bureau's AQI reached its highest point of 43 at 1 AM during the Night, while the lowest point, 20, was recorded at 6 PM during the Day between 18th Aug and 19th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Land Environment And Resources Bureau, Basuo, Hainan, China
25°C24/25°C
25°C24/25°C
26°C24/29°C
27°C24/30°C
26°C24/30°C
26°C24/30°C
27°C24/31°C
27°C24/31°C
27°C24/30°C
28°C25/32°C
28°C26/30°C
28°C26/31°C
28°C26/30°C
29°C26/32°C
29°C27/32°C
29°C27/31°C
29°C26/33°C
29°C26/33°C
29°C26/33°C
29°C25/34°C
29°C25/34°C
29°C25/33°C
28°C25/32°C
28°C25/31°C
28°C25/32°C
28°C25/32°C
27°C24/29°C
26°C24/30°C
25°C24/28°C
25°C24/28°C
--°C/°C
46AQI
34AQI
46AQI
43AQI
2025 Days Vs Air Quality
Land Environment And Resources Bureau, Basuo, Hainan, China
40%
92
54%
124
6%
14
Total number of days with different AQI categories in last 231 days in 2025 (134 days remaining)
Under WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 231 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Land Environment And Resources Bureau, Basuo, Hainan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
114AQI
95AQI
105AQI
95AQI
118AQI
113AQI
99AQI
98AQI
113AQI
105AQI
97AQI
98AQI
86AQI
84AQI
93AQI
97AQI
106AQI
91AQI
110AQI
118AQI
109AQI
126AQI
103AQI
82AQI
85AQI
60AQI
71AQI
75AQI
91AQI
73AQI
81AQI
60AQI
71AQI
57AQI
55AQI
55AQI
67AQI
63AQI
60AQI
70AQI
63AQI
67AQI
62AQI
70AQI
59AQI
85AQI
57AQI
80AQI
68AQI
81AQI
65AQI
65AQI
55AQI
45AQI
43AQI
44AQI
58AQI
66AQI
57AQI
63AQI
56AQI
73AQI
65AQI
76AQI
44AQI
52AQI
37AQI
61AQI
58AQI
61AQI
49AQI
50AQI
45AQI
62AQI
56AQI
71AQI
72AQI
84AQI
84AQI
88AQI
84AQI
83AQI
82AQI
88AQI
80AQI
89AQI
85AQI
68AQI
50AQI
43AQI
49AQI
66AQI
65AQI
63AQI
70AQI
52AQI
63AQI
57AQI
72AQI
75AQI
82AQI
72AQI
124AQI
119AQI
100AQI
89AQI
90AQI
80AQI
66AQI
71AQI
67AQI
74AQI
62AQI
69AQI
69AQI
61AQI
65AQI
61AQI
49AQI
56AQI
58AQI
64AQI
66AQI
70AQI
59AQI
67AQI
72AQI
66AQI
62AQI
59AQI
66AQI
66AQI
66AQI
59AQI
45AQI
42AQI
47AQI
47AQI
49AQI
49AQI
50AQI
42AQI
49AQI
48AQI
45AQI
61AQI
50AQI
44AQI
43AQI
49AQI
42AQI
44AQI
46AQI
51AQI
59AQI
60AQI
60AQI
58AQI
58AQI
63AQI
62AQI
49AQI
39AQI
48AQI
43AQI
43AQI
46AQI
47AQI
38AQI
37AQI
36AQI
39AQI
43AQI
38AQI
39AQI
35AQI
37AQI
35AQI
32AQI
32AQI
30AQI
31AQI
29AQI
27AQI
27AQI
29AQI
29AQI
28AQI
33AQI
38AQI
40AQI
44AQI
38AQI
42AQI
45AQI
47AQI
43AQI
42AQI
42AQI
39AQI
37AQI
33AQI
31AQI
30AQI
31AQI
32AQI
32AQI
32AQI
29AQI
29AQI
32AQI
42AQI
54AQI
55AQI
57AQI
55AQI
53AQI
51AQI
51AQI
50AQI
49AQI
48AQI
45AQI
48AQI
44AQI
39AQI
38AQI
34AQI
33AQI
36AQI
96AQI
62AQI
66AQI
72AQI
55AQI
45AQI
35AQI
47AQI
No. of days
202561AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
July35AQI
202446AQI
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
July31AQI
202345AQI
Highest AQI recorded in
November47AQI
Lowest AQI recorded in
December45AQI
202262AQI
Highest AQI recorded in
January62AQI
Lowest AQI recorded in
January62AQI
202157AQI
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
September33AQI
202052AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
July31AQI
Most & Least Polluted Years Over the Last 6 Years
Land Environment And Resources Bureau's annual 2025 AQI (61) shows an average percentage change of 17.7% (worsened AQI) compared to previous years: 2020 (52), 2021 (57), 2022 (62), 2023 (45), 2024 (46).