Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
16
PM2.5
55
*
PM10
8
O3
1.0
CO
9
SO2
32
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Oct
59
Good
Tue
28 Oct
82
Good
Wed
29 Oct
60
Good
Thu
30 Oct
85
Good
Fri
31 Oct
81
Good
Sat
1 Nov
58
Good
Sun
2 Nov
47
Excellent
Air quality in the last 12 months (Xihu)
|
2025/08
|
29
|
29
|
27
|
24
|
28
|
23
|
38
|
37
|
31
|
39
|
39
|
38
|
32
|
38
|
42
|
25
|
28
|
35
|
48
|
28
|
24
|
21
|
31
|
38
|
21
|
21
|
31
|
20
|
28
|
42
|
26
|
|
2025/07
|
18
|
17
|
15
|
15
|
22
|
22
|
35
|
38
|
47
|
51
|
41
|
38
|
31
|
27
|
32
|
22
|
28
|
44
|
27
|
18
|
28
|
28
|
14
|
18
|
24
|
30
|
41
|
43
|
23
|
22
|
36
|
|
2025/06
|
60
|
52
|
32
|
22
|
43
|
41
|
29
|
41
|
39
|
24
|
34
|
38
|
27
|
36
|
38
|
21
|
30
|
35
|
36
|
24
|
30
|
41
|
44
|
47
|
64
|
52
|
47
|
28
|
31
|
17
|
|
|
2025/05
|
26
|
42
|
37
|
50
|
44
|
48
|
54
|
46
|
72
|
46
|
54
|
57
|
61
|
43
|
47
|
36
|
27
|
36
|
37
|
53
|
60
|
71
|
36
|
56
|
51
|
49
|
45
|
47
|
48
|
55
|
54
|
|
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
|
|
|
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