Air Quality
Excellent
No health implications.
26
PM2.5
38
PM10
121
O3
0.6
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Oct
65
Good
Sun
25 Oct
72
Good
Mon
26 Oct
68
Good
Tue
27 Oct
53
Good
Wed
28 Oct
67
Good
Thu
29 Oct
52
Good
Fri
30 Oct
22
Excellent
Air quality in the last 12 months (Hengzhou)
|
2026/08
|
21
|
19
|
21
|
20
|
20
|
23
|
36
|
42
|
38
|
35
|
43
|
42
|
31
|
30
|
27
|
30
|
33
|
31
|
28
|
26
|
19
|
19
|
21
|
28
|
22
|
21
|
18
|
25
|
25
|
23
|
22
|
|
2026/07
|
22
|
26
|
19
|
15
|
14
|
13
|
13
|
15
|
22
|
23
|
22
|
31
|
29
|
34
|
21
|
19
|
23
|
28
|
33
|
25
|
19
|
31
|
26
|
33
|
49
|
50
|
42
|
25
|
21
|
16
|
17
|
|
2026/06
|
36
|
30
|
25
|
31
|
32
|
27
|
25
|
25
|
25
|
29
|
44
|
42
|
23
|
21
|
22
|
23
|
20
|
24
|
28
|
26
|
26
|
26
|
28
|
28
|
28
|
21
|
21
|
30
|
25
|
21
|
|
|
2026/05
|
43
|
42
|
25
|
25
|
43
|
38
|
26
|
20
|
30
|
42
|
47
|
40
|
21
|
34
|
40
|
21
|
17
|
19
|
20
|
23
|
20
|
21
|
27
|
29
|
27
|
33
|
32
|
35
|
34
|
29
|
36
|
|
2026/04
|
29
|
50
|
49
|
35
|
67
|
68
|
72
|
56
|
49
|
54
|
58
|
59
|
52
|
53
|
44
|
48
|
32
|
44
|
53
|
39
|
41
|
37
|
20
|
31
|
43
|
51
|
32
|
28
|
23
|
30
|
|
|
2026/03
|
29
|
32
|
18
|
24
|
41
|
43
|
55
|
70
|
51
|
19
|
36
|
49
|
65
|
54
|
54
|
50
|
41
|
39
|
49
|
45
|
39
|
66
|
59
|
47
|
58
|
42
|
44
|
63
|
51
|
36
|
39
|
|
2026/02
|
35
|
53
|
70
|
75
|
56
|
54
|
50
|
32
|
47
|
59
|
25
|
41
|
54
|
66
|
48
|
55
|
65
|
49
|
59
|
40
|
72
|
58
|
55
|
44
|
68
|
49
|
39
|
36
|
|||
|
2026/01
|
58
|
22
|
42
|
77
|
33
|
32
|
46
|
66
|
79
|
91
|
85
|
72
|
108
|
107
|
93
|
78
|
106
|
102
|
69
|
60
|
34
|
24
|
50
|
66
|
82
|
72
|
38
|
50
|
62
|
50
|
28
|
|
2025/12
|
76
|
63
|
70
|
85
|
80
|
83
|
100
|
69
|
85
|
91
|
97
|
108
|
35
|
48
|
58
|
60
|
58
|
60
|
68
|
58
|
68
|
70
|
61
|
23
|
25
|
48
|
57
|
77
|
88
|
76
|
74
|
|
2025/11
|
31
|
30
|
17
|
9
|
13
|
35
|
34
|
34
|
23
|
18
|
15
|
23
|
36
|
41
|
52
|
62
|
72
|
29
|
21
|
27
|
33
|
50
|
60
|
57
|
40
|
59
|
53
|
69
|
80
|
87
|
|
|
2025/10
|
37
|
26
|
21
|
30
|
27
|
11
|
20
|
35
|
39
|
41
|
44
|
40
|
27
|
23
|
20
|
30
|
46
|
47
|
28
|
18
|
16
|
15
|
21
|
34
|
44
|
46
|
44
|
42
|
55
|
49
|
39
|
|
2025/09
|
20
|
19
|
22
|
25
|
22
|
22
|
40
|
27
|
15
|
16
|
21
|
21
|
21
|
26
|
25
|
26
|
21
|
25
|
40
|
42
|
21
|
16
|
20
|
15
|
10
|
19
|
25
|
26
|
26
|
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