Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
80
O3
1.3
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Jul
45
Excellent
Sun
6 Jul
69
Good
Mon
7 Jul
86
Good
Tue
8 Jul
67
Good
Wed
9 Jul
68
Good
Thu
10 Jul
83
Good
Fri
11 Jul
22
Excellent
Air quality in the last 12 months (Xihu)
|
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
|
|
|
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
|
|
|
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