Basuo, Hainan, 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
Basuo, Hainan, China
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 39 of Good air quality on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Basuo, Hainan, China
6 AM27th Sep 2026
6 PM
5 AM28th Sep 2026
58AQI
29AQI
50AQI
39AQI
In the last 24 hours,
Basuo's AQI reached its highest point of 58 at 10 AM during the Day, while the lowest point, 29, was recorded at 3 PM during the Day between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Basuo, Hainan, China
28°C26/29°C
27°C26/28°C
27°C24/29°C
28°C27/29°C
28°C27/29°C
27°C27/28°C
27°C26/28°C
27°C26/28°C
27°C27/28°C
28°C27/29°C
28°C27/29°C
28°C27/30°C
27°C26/29°C
27°C26/28°C
26°C25/27°C
25°C24/27°C
26°C25/28°C
27°C26/28°C
27°C27/28°C
28°C27/29°C
28°C27/29°C
28°C27/29°C
27°C27/28°C
28°C27/28°C
28°C27/28°C
27°C27/28°C
28°C26/29°C
28°C27/29°C
28°C27/29°C
28°C28/29°C
47AQI
35AQI
43AQI
38AQI
2026 Days Vs Air Quality
Basuo, Hainan, China
65%
176
35%
94
0.3%
1
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2026, 65% of 271 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Basuo, Hainan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI (US)
77AQI (US)
64AQI (US)
56AQI (US)
60AQI (US)
94AQI (US)
82AQI (US)
73AQI (US)
57AQI (US)
73AQI (US)
69AQI (US)
69AQI (US)
76AQI (US)
79AQI (US)
72AQI (US)
65AQI (US)
73AQI (US)
75AQI (US)
71AQI (US)
64AQI (US)
66AQI (US)
82AQI (US)
97AQI (US)
85AQI (US)
61AQI (US)
48AQI (US)
41AQI (US)
71AQI (US)
50AQI (US)
43AQI (US)
54AQI (US)
66AQI (US)
53AQI (US)
70AQI (US)
59AQI (US)
49AQI (US)
42AQI (US)
35AQI (US)
43AQI (US)
38AQI (US)
52AQI (US)
56AQI (US)
43AQI (US)
29AQI (US)
40AQI (US)
41AQI (US)
47AQI (US)
79AQI (US)
29AQI (US)
41AQI (US)
57AQI (US)
54AQI (US)
47AQI (US)
41AQI (US)
49AQI (US)
52AQI (US)
48AQI (US)
51AQI (US)
28AQI (US)
17AQI (US)
43AQI (US)
50AQI (US)
10AQI (US)
18AQI (US)
50AQI (US)
76AQI (US)
53AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
54AQI (US)
44AQI (US)
59AQI (US)
60AQI (US)
51AQI (US)
53AQI (US)
56AQI (US)
56AQI (US)
51AQI (US)
52AQI (US)
37AQI (US)
39AQI (US)
37AQI (US)
43AQI (US)
56AQI (US)
59AQI (US)
49AQI (US)
59AQI (US)
52AQI (US)
63AQI (US)
74AQI (US)
66AQI (US)
59AQI (US)
79AQI (US)
99AQI (US)
101AQI (US)
95AQI (US)
97AQI (US)
59AQI (US)
73AQI (US)
94AQI (US)
79AQI (US)
63AQI (US)
69AQI (US)
63AQI (US)
41AQI (US)
49AQI (US)
47AQI (US)
68AQI (US)
57AQI (US)
60AQI (US)
57AQI (US)
66AQI (US)
47AQI (US)
30AQI (US)
37AQI (US)
29AQI (US)
47AQI (US)
59AQI (US)
29AQI (US)
51AQI (US)
41AQI (US)
53AQI (US)
28AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
32AQI (US)
23AQI (US)
34AQI (US)
34AQI (US)
44AQI (US)
38AQI (US)
41AQI (US)
43AQI (US)
71AQI (US)
56AQI (US)
55AQI (US)
43AQI (US)
60AQI (US)
72AQI (US)
72AQI (US)
63AQI (US)
63AQI (US)
55AQI (US)
42AQI (US)
37AQI (US)
42AQI (US)
52AQI (US)
48AQI (US)
37AQI (US)
44AQI (US)
32AQI (US)
35AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
38AQI (US)
34AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
34AQI (US)
39AQI (US)
42AQI (US)
34AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
13AQI (US)
15AQI (US)
21AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
17AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
43AQI (US)
49AQI (US)
53AQI (US)
56AQI (US)
46AQI (US)
32AQI (US)
45AQI (US)
44AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
37AQI (US)
39AQI (US)
39AQI (US)
38AQI (US)
37AQI (US)
37AQI (US)
32AQI (US)
33AQI (US)
42AQI (US)
47AQI (US)
31AQI (US)
33AQI (US)
35AQI (US)
28AQI (US)
37AQI (US)
37AQI (US)
39AQI (US)
35AQI (US)
35AQI (US)
47AQI (US)
42AQI (US)
41AQI (US)
39AQI (US)
39AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
41AQI (US)
35AQI (US)
30AQI (US)
34AQI (US)
32AQI (US)
37AQI (US)
39AQI (US)
46AQI (US)
52AQI (US)
36AQI (US)
31AQI (US)
42AQI (US)
45AQI (US)
54AQI (US)
60AQI (US)
29AQI (US)
13AQI (US)
35AQI (US)
45AQI (US)
54AQI (US)
56AQI (US)
59AQI (US)
45AQI (US)
37AQI (US)
47AQI (US)
31AQI (US)
36AQI (US)
33AQI (US)
42AQI (US)
45AQI (US)
39AQI (US)
68AQI (US)
48AQI (US)
46AQI (US)
63AQI (US)
46AQI (US)
28AQI (US)
30AQI (US)
38AQI (US)
41AQI (US)
No. of days
202645AQI (US)
Highest AQI (US) recorded in
January68AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202554AQI (US)
Highest AQI (US) recorded in
January88AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202449AQI (US)
Highest AQI (US) recorded in
December82AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202353AQI (US)
Highest AQI (US) recorded in
March81AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202247AQI (US)
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202152AQI (US)
Highest AQI (US) recorded in
January92AQI (US)
Lowest AQI (US) recorded in
September27AQI (US)
202046AQI (US)
Highest AQI (US) recorded in
December82AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Basuo's annual 2026 AQI (US) (45) shows an average percentage change of -9.9% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (52), 2022 (47), 2023 (53), 2024 (49), 2025 (54).