Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
19
O3
0.6
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Feb
40
Excellent
Fri
27 Feb
42
Excellent
Sat
28 Feb
41
Excellent
Sun
1 Mar
38
Excellent
Mon
2 Mar
38
Excellent
Tue
3 Mar
52
Good
Wed
4 Mar
26
Excellent
Air quality in the last 12 months (Xihu)
|
2026/01
|
27
|
46
|
70
|
65
|
59
|
63
|
51
|
60
|
70
|
78
|
77
|
75
|
104
|
104
|
102
|
107
|
132
|
189
|
83
|
33
|
60
|
70
|
86
|
103
|
94
|
91
|
64
|
54
|
69
|
39
|
23
|
|
2025/12
|
80
|
130
|
79
|
83
|
65
|
94
|
88
|
100
|
107
|
113
|
117
|
107
|
41
|
50
|
59
|
72
|
95
|
184
|
171
|
146
|
83
|
46
|
43
|
36
|
69
|
72
|
83
|
86
|
97
|
116
|
121
|
|
2025/11
|
46
|
57
|
84
|
55
|
31
|
45
|
43
|
24
|
21
|
55
|
57
|
41
|
46
|
58
|
77
|
74
|
79
|
26
|
30
|
48
|
53
|
66
|
71
|
60
|
83
|
77
|
86
|
83
|
89
|
89
|
|
|
2025/10
|
34
|
40
|
47
|
45
|
45
|
27
|
37
|
71
|
61
|
46
|
61
|
68
|
66
|
53
|
58
|
52
|
54
|
36
|
14
|
28
|
34
|
36
|
40
|
44
|
66
|
65
|
79
|
96
|
67
|
95
|
49
|
|
2025/09
|
22
|
35
|
32
|
38
|
37
|
31
|
37
|
32
|
18
|
19
|
21
|
26
|
24
|
21
|
26
|
39
|
41
|
33
|
42
|
25
|
39
|
37
|
42
|
18
|
21
|
26
|
38
|
47
|
48
|
48
|
|
|
2025/08
|
34
|
43
|
31
|
16
|
15
|
10
|
13
|
21
|
25
|
33
|
37
|
26
|
29
|
22
|
14
|
19
|
27
|
21
|
17
|
14
|
19
|
25
|
25
|
31
|
24
|
24
|
22
|
21
|
33
|
30
|
19
|
|
2025/07
|
16
|
31
|
32
|
35
|
27
|
33
|
36
|
39
|
23
|
18
|
26
|
23
|
16
|
28
|
37
|
33
|
40
|
33
|
27
|
13
|
9
|
13
|
14
|
16
|
23
|
24
|
16
|
23
|
18
|
26
|
18
|
|
2025/06
|
33
|
11
|
26
|
30
|
32
|
28
|
27
|
17
|
20
|
27
|
17
|
17
|
36
|
22
|
10
|
30
|
19
|
10
|
14
|
15
|
17
|
11
|
10
|
15
|
30
|
30
|
24
|
21
|
18
|
20
|
|
|
2025/05
|
60
|
54
|
61
|
56
|
22
|
46
|
96
|
34
|
30
|
49
|
42
|
48
|
49
|
47
|
71
|
30
|
28
|
40
|
28
|
16
|
17
|
23
|
28
|
56
|
53
|
67
|
66
|
39
|
24
|
35
|
18
|
|
2025/04
|
59
|
67
|
70
|
73
|
74
|
71
|
73
|
72
|
74
|
47
|
51
|
208
|
177
|
127
|
59
|
64
|
64
|
68
|
35
|
39
|
27
|
26
|
54
|
35
|
26
|
25
|
27
|
44
|
64
|
61
|
|
|
2025/03
|
68
|
47
|
32
|
23
|
51
|
72
|
66
|
62
|
71
|
81
|
88
|
55
|
54
|
51
|
26
|
50
|
37
|
50
|
50
|
55
|
62
|
68
|
76
|
74
|
79
|
89
|
78
|
74
|
52
|
57
|
49
|
|
2025/02
|
55
|
33
|
61
|
74
|
81
|
53
|
70
|
46
|
37
|
58
|
84
|
92
|
108
|
66
|
47
|
56
|
60
|
45
|
52
|
46
|
52
|
36
|
84
|
97
|
109
|
111
|
108
|
72
|
|||
|
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