Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
40
PM10
191
O3
0.4
CO
6
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Aug
99
Good
Thu
21 Aug
102
Light
Fri
22 Aug
103
Light
Sat
23 Aug
104
Light
Sun
24 Aug
91
Good
Mon
25 Aug
80
Good
Tue
26 Aug
41
Excellent
Air quality in the last 12 months (Qiantang)
|
2025/06
|
18
|
15
|
29
|
44
|
39
|
35
|
57
|
34
|
24
|
22
|
18
|
21
|
19
|
22
|
10
|
18
|
46
|
43
|
29
|
22
|
24
|
20
|
19
|
25
|
45
|
36
|
25
|
21
|
21
|
22
|
|
|
2025/05
|
52
|
57
|
60
|
38
|
50
|
82
|
83
|
60
|
20
|
34
|
33
|
49
|
41
|
45
|
104
|
85
|
43
|
71
|
46
|
29
|
18
|
39
|
21
|
46
|
59
|
46
|
40
|
32
|
30
|
52
|
46
|
|
2025/04
|
48
|
61
|
66
|
62
|
73
|
106
|
69
|
60
|
72
|
70
|
78
|
158
|
91
|
89
|
55
|
56
|
60
|
70
|
78
|
82
|
59
|
33
|
45
|
58
|
48
|
52
|
38
|
55
|
49
|
54
|
|
|
2025/03
|
54
|
58
|
33
|
26
|
43
|
44
|
67
|
79
|
53
|
77
|
82
|
52
|
36
|
48
|
27
|
55
|
35
|
55
|
62
|
65
|
50
|
60
|
62
|
65
|
69
|
76
|
70
|
61
|
63
|
60
|
37
|
|
2025/02
|
32
|
60
|
84
|
62
|
45
|
62
|
62
|
35
|
43
|
61
|
64
|
104
|
96
|
68
|
103
|
61
|
81
|
43
|
64
|
47
|
30
|
60
|
100
|
88
|
116
|
106
|
97
|
69
|
|||
|
2025/01
|
88
|
81
|
73
|
73
|
111
|
97
|
86
|
84
|
47
|
53
|
66
|
73
|
92
|
99
|
57
|
58
|
76
|
94
|
93
|
119
|
164
|
122
|
56
|
38
|
33
|
47
|
43
|
43
|
93
|
69
|
60
|
|
2024/12
|
63
|
68
|
109
|
47
|
52
|
104
|
183
|
37
|
55
|
46
|
36
|
91
|
91
|
99
|
62
|
63
|
68
|
92
|
43
|
60
|
88
|
64
|
66
|
59
|
95
|
151
|
60
|
64
|
71
|
87
|
86
|
|
2024/11
|
9
|
44
|
73
|
83
|
38
|
38
|
36
|
42
|
39
|
48
|
58
|
51
|
50
|
43
|
37
|
32
|
22
|
30
|
39
|
48
|
57
|
94
|
36
|
33
|
38
|
37
|
54
|
63
|
50
|
63
|
|
|
2024/10
|
24
|
30
|
28
|
28
|
26
|
14
|
13
|
33
|
47
|
60
|
76
|
56
|
32
|
52
|
48
|
38
|
28
|
39
|
25
|
49
|
52
|
38
|
53
|
36
|
31
|
26
|
18
|
55
|
50
|
46
|
32
|
|
2024/09
|
51
|
54
|
33
|
33
|
27
|
38
|
51
|
31
|
26
|
39
|
18
|
33
|
20
|
22
|
26
|
20
|
19
|
24
|
23
|
19
|
21
|
33
|
34
|
35
|
55
|
44
|
27
|
39
|
36
|
30
|
|
|
2024/08
|
27
|
29
|
48
|
45
|
49
|
46
|
52
|
52
|
51
|
52
|
46
|
38
|
31
|
32
|
33
|
44
|
34
|
35
|
20
|
24
|
21
|
29
|
49
|
44
|
43
|
49
|
54
|
40
|
26
|
29
|
40
|
|
2024/07
|
43
|
34
|
28
|
30
|
32
|
37
|
32
|
35
|
31
|
35
|
41
|
36
|
42
|
39
|
44
|
32
|
33
|
33
|
35
|
33
|
40
|
31
|
29
|
26
|
34
|
23
|
15
|
17
|
19
|
18
|
26
|
|
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