Air Quality
Excellent
No health implications.
9
PM2.5
28
PM10
40
O3
0.3
CO
15
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
106
Light
Sun
22 Jun
93
Good
Mon
23 Jun
78
Good
Tue
24 Jun
84
Good
Wed
25 Jun
91
Good
Thu
26 Jun
31
Excellent
Fri
27 Jun
20
Excellent
Hainan Prefecture Air quality rank
Air quality in the last 12 months (Hainan Prefecture)
|
2025/05
|
85
|
95
|
31
|
107
|
344
|
95
|
94
|
120
|
38
|
40
|
47
|
92
|
100
|
67
|
60
|
252
|
65
|
78
|
76
|
79
|
65
|
77
|
36
|
56
|
50
|
45
|
55
|
108
|
84
|
114
|
55
|
|
2025/04
|
40
|
50
|
169
|
60
|
62
|
119
|
82
|
117
|
53
|
91
|
343
|
87
|
76
|
43
|
128
|
282
|
86
|
66
|
82
|
111
|
329
|
75
|
72
|
49
|
64
|
87
|
38
|
44
|
153
|
131
|
|
|
2025/03
|
109
|
67
|
58
|
75
|
52
|
44
|
84
|
100
|
119
|
192
|
244
|
81
|
78
|
79
|
36
|
31
|
39
|
28
|
35
|
59
|
72
|
84
|
430
|
368
|
466
|
489
|
273
|
47
|
36
|
40
|
45
|
|
2025/02
|
65
|
29
|
31
|
30
|
60
|
109
|
54
|
46
|
60
|
92
|
118
|
76
|
68
|
79
|
76
|
71
|
77
|
50
|
38
|
46
|
49
|
35
|
38
|
50
|
69
|
91
|
74
|
82
|
|||
|
2025/01
|
84
|
62
|
58
|
103
|
66
|
56
|
31
|
29
|
40
|
48
|
64
|
72
|
173
|
32
|
42
|
75
|
71
|
79
|
98
|
95
|
90
|
79
|
80
|
110
|
113
|
65
|
41
|
93
|
176
|
77
|
78
|
|
2024/12
|
51
|
55
|
58
|
25
|
24
|
27
|
33
|
52
|
66
|
58
|
83
|
68
|
46
|
62
|
91
|
83
|
84
|
52
|
55
|
39
|
44
|
65
|
78
|
84
|
56
|
48
|
39
|
91
|
106
|
90
|
105
|
|
2024/11
|
65
|
80
|
46
|
54
|
64
|
71
|
89
|
82
|
68
|
78
|
54
|
56
|
109
|
86
|
120
|
42
|
54
|
56
|
92
|
92
|
67
|
61
|
84
|
80
|
60
|
143
|
87
|
32
|
41
|
56
|
|
|
2024/10
|
68
|
50
|
62
|
50
|
61
|
49
|
48
|
66
|
62
|
55
|
74
|
53
|
76
|
72
|
59
|
60
|
41
|
49
|
34
|
54
|
46
|
34
|
67
|
66
|
66
|
41
|
63
|
83
|
59
|
56
|
57
|
|
2024/09
|
34
|
39
|
46
|
50
|
55
|
26
|
25
|
46
|
75
|
64
|
34
|
41
|
28
|
29
|
25
|
43
|
48
|
58
|
85
|
23
|
26
|
47
|
58
|
61
|
42
|
50
|
68
|
71
|
45
|
86
|
|
|
2024/08
|
56
|
48
|
53
|
51
|
51
|
51
|
32
|
24
|
165
|
60
|
32
|
31
|
30
|
37
|
57
|
62
|
44
|
38
|
34
|
36
|
34
|
41
|
44
|
46
|
24
|
22
|
27
|
38
|
48
|
47
|
63
|
|
2024/07
|
54
|
43
|
44
|
49
|
67
|
57
|
35
|
53
|
50
|
60
|
76
|
57
|
62
|
61
|
37
|
39
|
32
|
37
|
45
|
131
|
150
|
73
|
117
|
167
|
69
|
41
|
35
|
41
|
39
|
35
|
56
|
|
2024/06
|
62
|
39
|
39
|
35
|
50
|
47
|
48
|
66
|
59
|
58
|
69
|
67
|
98
|
33
|
33
|
36
|
54
|
60
|
57
|
57
|
53
|
137
|
158
|
233
|
80
|
72
|
46
|
54
|
42
|
49
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution