Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
57
*
PM10
68
O3
3.4
CO
51
SO2
48
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
8 Jun
88
Good
Mon
9 Jun
85
Good
Tue
10 Jun
58
Good
Wed
11 Jun
56
Good
Thu
12 Jun
87
Good
Fri
13 Jun
85
Good
Sat
14 Jun
18
Excellent
Air quality in the last 12 months (Xihu)
|
2025/04
|
92
|
49
|
77
|
53
|
31
|
60
|
69
|
78
|
79
|
68
|
52
|
26
|
28
|
23
|
59
|
55
|
70
|
57
|
55
|
45
|
45
|
33
|
52
|
66
|
52
|
55
|
56
|
66
|
69
|
60
|
|
|
2025/03
|
82
|
36
|
23
|
56
|
77
|
77
|
64
|
66
|
91
|
85
|
55
|
78
|
61
|
62
|
50
|
53
|
74
|
77
|
73
|
71
|
85
|
77
|
88
|
77
|
104
|
117
|
59
|
41
|
37
|
38
|
55
|
|
2025/02
|
90
|
131
|
52
|
50
|
55
|
66
|
52
|
61
|
76
|
64
|
58
|
72
|
104
|
83
|
100
|
58
|
37
|
35
|
52
|
52
|
55
|
56
|
54
|
57
|
80
|
72
|
92
|
106
|
|||
|
2025/01
|
56
|
64
|
65
|
62
|
113
|
118
|
68
|
50
|
55
|
90
|
116
|
127
|
97
|
77
|
51
|
58
|
64
|
58
|
89
|
91
|
71
|
76
|
83
|
77
|
92
|
82
|
137
|
66
|
128
|
116
|
70
|
|
2024/12
|
50
|
26
|
41
|
42
|
51
|
41
|
45
|
65
|
77
|
102
|
53
|
73
|
78
|
63
|
46
|
56
|
44
|
48
|
87
|
87
|
59
|
63
|
74
|
69
|
79
|
59
|
54
|
59
|
63
|
69
|
48
|
|
2024/11
|
84
|
88
|
69
|
34
|
45
|
40
|
58
|
61
|
52
|
47
|
49
|
55
|
52
|
45
|
47
|
28
|
18
|
26
|
50
|
87
|
73
|
49
|
63
|
64
|
47
|
25
|
32
|
41
|
60
|
67
|
|
|
2024/10
|
22
|
44
|
49
|
47
|
47
|
70
|
36
|
56
|
52
|
35
|
49
|
71
|
66
|
41
|
18
|
58
|
74
|
61
|
23
|
34
|
27
|
40
|
53
|
58
|
71
|
105
|
49
|
50
|
72
|
83
|
82
|
|
2024/09
|
35
|
15
|
42
|
37
|
20
|
30
|
45
|
41
|
41
|
27
|
29
|
43
|
40
|
26
|
23
|
43
|
50
|
43
|
50
|
22
|
16
|
30
|
51
|
42
|
38
|
30
|
49
|
54
|
45
|
18
|
|
|
2024/08
|
21
|
31
|
42
|
25
|
17
|
25
|
30
|
44
|
62
|
31
|
35
|
47
|
45
|
47
|
52
|
52
|
56
|
44
|
27
|
33
|
29
|
21
|
27
|
42
|
52
|
36
|
32
|
42
|
47
|
46
|
35
|
|
2024/07
|
33
|
44
|
21
|
41
|
55
|
23
|
33
|
36
|
44
|
53
|
60
|
58
|
48
|
53
|
54
|
28
|
21
|
38
|
38
|
18
|
35
|
19
|
26
|
24
|
18
|
13
|
13
|
11
|
30
|
40
|
16
|
|
2024/06
|
37
|
36
|
34
|
58
|
40
|
34
|
38
|
25
|
30
|
44
|
54
|
32
|
28
|
26
|
33
|
41
|
58
|
62
|
38
|
39
|
52
|
30
|
56
|
23
|
31
|
43
|
42
|
34
|
26
|
38
|
|
|
2024/05
|
53
|
59
|
68
|
61
|
45
|
27
|
43
|
56
|
89
|
71
|
91
|
57
|
54
|
60
|
49
|
46
|
58
|
49
|
27
|
22
|
38
|
32
|
19
|
24
|
40
|
19
|
16
|
41
|
56
|
40
|
26
|
|
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