Air Quality
Excellent
No health implications.
21
PM2.5
26
PM10
82
O3
0.7
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
61
Good
Sat
24 May
82
Good
Sun
25 May
97
Good
Mon
26 May
98
Good
Tue
27 May
99
Good
Wed
28 May
94
Good
Thu
29 May
42
Excellent
Air quality in the last 12 months (Hanshan)
|
2025/04
|
50
|
66
|
49
|
66
|
79
|
70
|
68
|
75
|
75
|
74
|
73
|
193
|
100
|
81
|
57
|
60
|
69
|
70
|
82
|
60
|
50
|
59
|
64
|
78
|
64
|
58
|
50
|
62
|
61
|
64
|
|
|
2025/03
|
59
|
57
|
24
|
48
|
70
|
65
|
61
|
83
|
83
|
74
|
65
|
98
|
72
|
45
|
38
|
50
|
39
|
48
|
52
|
57
|
55
|
60
|
68
|
78
|
68
|
65
|
105
|
77
|
115
|
83
|
45
|
|
2025/02
|
46
|
63
|
96
|
83
|
56
|
48
|
68
|
37
|
45
|
58
|
74
|
111
|
67
|
97
|
110
|
94
|
72
|
55
|
67
|
63
|
48
|
71
|
94
|
79
|
89
|
125
|
83
|
59
|
|||
|
2025/01
|
101
|
113
|
121
|
116
|
124
|
85
|
56
|
74
|
46
|
54
|
67
|
73
|
89
|
110
|
69
|
66
|
77
|
83
|
104
|
124
|
125
|
155
|
117
|
57
|
35
|
68
|
54
|
57
|
124
|
72
|
100
|
|
2024/12
|
68
|
82
|
88
|
54
|
78
|
129
|
129
|
47
|
56
|
64
|
75
|
75
|
97
|
77
|
64
|
66
|
84
|
89
|
49
|
74
|
94
|
63
|
63
|
79
|
110
|
125
|
68
|
86
|
75
|
90
|
107
|
|
2024/11
|
34
|
58
|
66
|
69
|
46
|
45
|
44
|
42
|
51
|
41
|
52
|
57
|
54
|
64
|
75
|
56
|
30
|
32
|
29
|
38
|
44
|
77
|
38
|
43
|
40
|
38
|
64
|
59
|
47
|
61
|
|
|
2024/10
|
28
|
33
|
29
|
31
|
30
|
15
|
12
|
37
|
41
|
60
|
69
|
67
|
53
|
45
|
53
|
51
|
34
|
24
|
29
|
38
|
48
|
38
|
56
|
53
|
42
|
30
|
32
|
67
|
60
|
42
|
34
|
|
2024/09
|
52
|
49
|
31
|
38
|
38
|
44
|
45
|
49
|
31
|
38
|
19
|
15
|
32
|
46
|
31
|
29
|
21
|
24
|
28
|
25
|
25
|
31
|
31
|
38
|
50
|
49
|
29
|
44
|
46
|
47
|
|
|
2024/08
|
22
|
24
|
33
|
37
|
34
|
35
|
36
|
38
|
43
|
43
|
50
|
55
|
46
|
31
|
27
|
33
|
38
|
37
|
38
|
21
|
33
|
39
|
42
|
48
|
48
|
45
|
29
|
21
|
29
|
35
|
44
|
|
2024/07
|
16
|
17
|
25
|
24
|
25
|
24
|
25
|
26
|
31
|
29
|
33
|
23
|
15
|
16
|
31
|
44
|
34
|
28
|
28
|
24
|
27
|
30
|
44
|
37
|
27
|
26
|
15
|
14
|
20
|
34
|
30
|
|
2024/06
|
41
|
39
|
43
|
46
|
44
|
26
|
31
|
46
|
51
|
23
|
31
|
46
|
53
|
53
|
60
|
47
|
35
|
42
|
25
|
35
|
34
|
18
|
25
|
31
|
38
|
41
|
33
|
14
|
15
|
17
|
|
|
2024/05
|
37
|
39
|
39
|
43
|
38
|
43
|
55
|
54
|
41
|
55
|
51
|
108
|
85
|
62
|
64
|
39
|
59
|
62
|
46
|
52
|
50
|
39
|
55
|
63
|
50
|
43
|
29
|
31
|
36
|
35
|
42
|
|
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