Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
45
O3
0.5
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
56
Good
Wed
27 May
58
Good
Thu
28 May
75
Good
Fri
29 May
88
Good
Sat
30 May
93
Good
Sun
31 May
88
Good
Mon
1 Jun
19
Excellent
Air quality in the last 12 months (Xihu)
|
2026/04
|
32
|
49
|
33
|
32
|
64
|
70
|
54
|
37
|
32
|
42
|
58
|
41
|
50
|
38
|
51
|
50
|
57
|
54
|
57
|
58
|
46
|
20
|
22
|
39
|
67
|
61
|
67
|
58
|
26
|
37
|
|
|
2026/03
|
41
|
18
|
50
|
40
|
48
|
68
|
60
|
44
|
46
|
62
|
61
|
46
|
70
|
73
|
69
|
50
|
68
|
41
|
69
|
78
|
55
|
67
|
51
|
51
|
50
|
93
|
37
|
49
|
46
|
49
|
39
|
|
2026/02
|
43
|
59
|
99
|
99
|
101
|
66
|
30
|
46
|
39
|
53
|
66
|
86
|
90
|
53
|
52
|
35
|
68
|
56
|
52
|
32
|
28
|
59
|
90
|
39
|
37
|
38
|
16
|
37
|
|||
|
2026/01
|
28
|
76
|
103
|
116
|
99
|
89
|
51
|
60
|
74
|
59
|
76
|
59
|
58
|
69
|
74
|
117
|
126
|
81
|
37
|
31
|
49
|
57
|
72
|
103
|
126
|
64
|
54
|
78
|
48
|
40
|
25
|
|
2025/12
|
108
|
67
|
56
|
53
|
61
|
72
|
76
|
102
|
53
|
57
|
88
|
51
|
36
|
51
|
62
|
62
|
113
|
147
|
103
|
119
|
48
|
43
|
55
|
40
|
66
|
36
|
50
|
74
|
69
|
130
|
36
|
|
2025/11
|
56
|
77
|
32
|
49
|
51
|
53
|
31
|
28
|
20
|
50
|
33
|
42
|
40
|
80
|
81
|
69
|
52
|
31
|
39
|
47
|
58
|
86
|
84
|
71
|
96
|
85
|
121
|
127
|
81
|
69
|
|
|
2025/10
|
41
|
33
|
49
|
46
|
46
|
46
|
64
|
32
|
26
|
31
|
45
|
88
|
59
|
31
|
39
|
28
|
25
|
20
|
31
|
29
|
33
|
33
|
33
|
40
|
45
|
47
|
48
|
30
|
40
|
40
|
21
|
|
2025/09
|
30
|
22
|
25
|
37
|
43
|
37
|
39
|
39
|
20
|
21
|
35
|
34
|
28
|
17
|
31
|
38
|
33
|
21
|
28
|
20
|
30
|
30
|
29
|
24
|
36
|
39
|
44
|
52
|
47
|
37
|
|
|
2025/08
|
26
|
38
|
26
|
39
|
32
|
19
|
11
|
16
|
20
|
24
|
33
|
37
|
23
|
22
|
19
|
21
|
24
|
27
|
27
|
34
|
35
|
20
|
17
|
25
|
33
|
38
|
35
|
18
|
22
|
27
|
27
|
|
2025/07
|
17
|
26
|
29
|
32
|
31
|
23
|
20
|
16
|
21
|
32
|
18
|
17
|
25
|
35
|
37
|
27
|
28
|
31
|
20
|
18
|
15
|
16
|
22
|
22
|
21
|
14
|
16
|
15
|
24
|
12
|
9
|
|
2025/06
|
24
|
13
|
28
|
43
|
35
|
30
|
57
|
26
|
20
|
18
|
21
|
32
|
25
|
20
|
9
|
16
|
39
|
36
|
21
|
19
|
20
|
22
|
17
|
32
|
52
|
39
|
20
|
18
|
18
|
23
|
|
|
2025/05
|
47
|
51
|
55
|
37
|
37
|
74
|
84
|
57
|
18
|
25
|
24
|
41
|
43
|
48
|
79
|
49
|
29
|
62
|
42
|
30
|
15
|
34
|
21
|
44
|
62
|
56
|
53
|
41
|
27
|
54
|
52
|
|
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