Air Quality
Excellent
No health implications.
4
PM2.5
13
PM10
23
O3
0.9
CO
3
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Oct
29
Excellent
Thu
9 Oct
30
Excellent
Fri
10 Oct
27
Excellent
Sat
11 Oct
42
Excellent
Sun
12 Oct
33
Excellent
Mon
13 Oct
47
Excellent
Tue
14 Oct
37
Excellent
Hengshan Air quality rank
Air quality in the last 12 months (Hengshan)
|
2025/08
|
40
|
37
|
38
|
27
|
45
|
51
|
50
|
30
|
35
|
38
|
41
|
36
|
38
|
37
|
37
|
20
|
22
|
28
|
29
|
28
|
34
|
42
|
19
|
36
|
35
|
32
|
20
|
25
|
23
|
21
|
22
|
|
2025/07
|
27
|
25
|
33
|
34
|
19
|
31
|
23
|
27
|
22
|
31
|
37
|
47
|
53
|
43
|
54
|
33
|
37
|
39
|
30
|
18
|
34
|
36
|
29
|
20
|
21
|
18
|
21
|
33
|
28
|
36
|
36
|
|
2025/06
|
38
|
34
|
28
|
28
|
31
|
52
|
52
|
35
|
41
|
40
|
50
|
53
|
45
|
43
|
47
|
38
|
39
|
39
|
35
|
30
|
36
|
39
|
37
|
43
|
39
|
34
|
33
|
27
|
36
|
28
|
|
|
2025/05
|
70
|
97
|
37
|
82
|
284
|
126
|
97
|
122
|
53
|
40
|
44
|
64
|
75
|
51
|
60
|
206
|
101
|
62
|
66
|
66
|
66
|
189
|
53
|
64
|
47
|
42
|
37
|
53
|
56
|
55
|
31
|
|
2025/04
|
55
|
46
|
113
|
106
|
52
|
83
|
85
|
86
|
86
|
61
|
289
|
164
|
107
|
38
|
59
|
252
|
121
|
71
|
68
|
74
|
240
|
142
|
71
|
39
|
60
|
62
|
43
|
33
|
89
|
160
|
|
|
2025/03
|
68
|
61
|
28
|
40
|
47
|
43
|
59
|
71
|
80
|
62
|
246
|
124
|
74
|
51
|
41
|
28
|
35
|
28
|
27
|
31
|
57
|
72
|
247
|
448
|
430
|
432
|
312
|
103
|
36
|
40
|
47
|
|
2025/02
|
48
|
25
|
30
|
44
|
37
|
127
|
39
|
25
|
43
|
61
|
72
|
50
|
50
|
58
|
71
|
57
|
61
|
53
|
48
|
42
|
47
|
25
|
30
|
46
|
57
|
50
|
58
|
57
|
|||
|
2025/01
|
48
|
44
|
50
|
70
|
66
|
29
|
26
|
27
|
43
|
42
|
63
|
56
|
113
|
27
|
29
|
42
|
48
|
54
|
56
|
59
|
57
|
62
|
96
|
136
|
102
|
77
|
31
|
54
|
92
|
53
|
44
|
|
2024/12
|
50
|
33
|
54
|
33
|
31
|
28
|
25
|
43
|
48
|
51
|
37
|
59
|
64
|
40
|
49
|
53
|
48
|
38
|
49
|
36
|
38
|
50
|
51
|
72
|
60
|
41
|
31
|
40
|
65
|
67
|
63
|
|
2024/11
|
52
|
30
|
29
|
38
|
49
|
47
|
60
|
55
|
74
|
65
|
67
|
58
|
66
|
49
|
75
|
48
|
43
|
49
|
43
|
59
|
46
|
57
|
75
|
59
|
69
|
97
|
82
|
40
|
32
|
45
|
|
|
2024/10
|
68
|
40
|
35
|
38
|
46
|
43
|
30
|
42
|
47
|
42
|
50
|
53
|
48
|
53
|
57
|
76
|
48
|
28
|
22
|
24
|
24
|
26
|
32
|
45
|
43
|
45
|
53
|
50
|
48
|
41
|
48
|
|
2024/09
|
35
|
33
|
34
|
47
|
34
|
34
|
19
|
35
|
69
|
35
|
29
|
30
|
25
|
23
|
39
|
27
|
38
|
34
|
36
|
25
|
21
|
42
|
49
|
46
|
44
|
50
|
69
|
59
|
27
|
47
|
|
|
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