Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
31
O3
0.3
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
73
Good
Tue
16 Sep
82
Good
Wed
17 Sep
76
Good
Thu
18 Sep
62
Good
Fri
19 Sep
61
Good
Sat
20 Sep
25
Excellent
Sun
21 Sep
34
Excellent
Air quality in the last 12 months (Hanshan)
|
2025/08
|
17
|
15
|
25
|
27
|
43
|
27
|
20
|
23
|
29
|
21
|
15
|
26
|
37
|
27
|
25
|
29
|
37
|
34
|
37
|
31
|
31
|
26
|
21
|
31
|
29
|
20
|
39
|
38
|
39
|
30
|
17
|
|
2025/07
|
30
|
32
|
43
|
39
|
47
|
51
|
41
|
22
|
19
|
42
|
38
|
26
|
34
|
39
|
40
|
38
|
22
|
36
|
29
|
20
|
20
|
17
|
22
|
25
|
29
|
23
|
21
|
20
|
27
|
20
|
15
|
|
2025/06
|
19
|
13
|
41
|
59
|
50
|
46
|
25
|
20
|
34
|
30
|
45
|
37
|
34
|
32
|
24
|
39
|
45
|
31
|
14
|
18
|
14
|
19
|
30
|
32
|
37
|
38
|
20
|
14
|
17
|
24
|
|
|
2025/05
|
55
|
65
|
56
|
47
|
47
|
98
|
90
|
49
|
27
|
37
|
46
|
53
|
57
|
62
|
59
|
31
|
58
|
85
|
68
|
48
|
27
|
46
|
52
|
66
|
63
|
60
|
61
|
54
|
52
|
52
|
59
|
|
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
|
|
|
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