Air Quality
Excellent
No health implications.
12
PM2.5
17
PM10
23
O3
0.6
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jul
57
Good
Thu
23 Jul
59
Good
Fri
24 Jul
69
Good
Sat
25 Jul
94
Good
Sun
26 Jul
79
Good
Mon
27 Jul
27
Excellent
Tue
28 Jul
43
Excellent
Air quality in the last 12 months (Xihu)
|
2026/06
|
66
|
66
|
49
|
33
|
42
|
42
|
43
|
28
|
25
|
41
|
61
|
52
|
40
|
34
|
28
|
23
|
55
|
68
|
28
|
13
|
32
|
38
|
22
|
23
|
30
|
55
|
66
|
53
|
38
|
17
|
|
|
2026/05
|
43
|
44
|
33
|
31
|
41
|
42
|
52
|
29
|
34
|
44
|
42
|
44
|
64
|
33
|
40
|
30
|
28
|
38
|
38
|
33
|
35
|
87
|
58
|
49
|
39
|
23
|
28
|
31
|
52
|
37
|
57
|
|
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
|
|
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