Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
25
O3
0.7
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
49
Excellent
Sun
16 Aug
61
Good
Mon
17 Aug
61
Good
Tue
18 Aug
62
Good
Wed
19 Aug
85
Good
Thu
20 Aug
81
Good
Fri
21 Aug
32
Excellent
Air quality in the last 12 months (Xihu)
|
2026/07
|
16
|
15
|
19
|
19
|
13
|
16
|
19
|
14
|
34
|
31
|
27
|
13
|
19
|
21
|
20
|
20
|
21
|
22
|
22
|
20
|
17
|
18
|
29
|
41
|
20
|
18
|
18
|
18
|
21
|
30
|
29
|
|
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
|
|
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