Air Quality
Excellent
No health implications.
9
PM2.5
11
PM10
39
O3
0.4
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Nov
66
Good
Mon
16 Nov
57
Good
Tue
17 Nov
59
Good
Wed
18 Nov
52
Good
Thu
19 Nov
61
Good
Fri
20 Nov
62
Good
Sat
21 Nov
47
Excellent
Hengshan Air quality rank
Air quality in the last 12 months (Hengshan)
|
2026/09
|
44
|
41
|
43
|
43
|
40
|
43
|
39
|
25
|
19
|
30
|
42
|
38
|
41
|
41
|
37
|
30
|
32
|
35
|
40
|
44
|
41
|
39
|
37
|
36
|
42
|
34
|
30
|
34
|
52
|
28
|
|
|
2026/08
|
32
|
31
|
31
|
30
|
21
|
29
|
41
|
40
|
39
|
31
|
36
|
31
|
42
|
41
|
34
|
36
|
42
|
42
|
37
|
34
|
38
|
38
|
32
|
36
|
40
|
24
|
33
|
23
|
42
|
39
|
42
|
|
2026/07
|
51
|
51
|
58
|
49
|
45
|
46
|
43
|
55
|
48
|
40
|
28
|
40
|
51
|
43
|
46
|
42
|
37
|
48
|
47
|
37
|
43
|
38
|
41
|
41
|
43
|
42
|
31
|
27
|
23
|
32
|
28
|
|
2026/06
|
59
|
59
|
60
|
40
|
40
|
31
|
35
|
37
|
28
|
35
|
43
|
44
|
38
|
41
|
47
|
43
|
45
|
43
|
37
|
30
|
36
|
32
|
34
|
36
|
37
|
53
|
53
|
47
|
42
|
40
|
|
|
2026/05
|
47
|
28
|
53
|
48
|
44
|
61
|
44
|
45
|
55
|
70
|
65
|
62
|
54
|
69
|
137
|
44
|
38
|
42
|
44
|
42
|
60
|
49
|
43
|
38
|
37
|
61
|
63
|
42
|
46
|
49
|
67
|
|
2026/04
|
50
|
60
|
160
|
72
|
116
|
48
|
59
|
61
|
96
|
47
|
52
|
62
|
52
|
68
|
64
|
54
|
52
|
63
|
321
|
76
|
53
|
58
|
66
|
66
|
59
|
63
|
160
|
53
|
46
|
50
|
|
|
2026/03
|
35
|
25
|
64
|
58
|
55
|
34
|
43
|
55
|
41
|
50
|
41
|
84
|
318
|
47
|
53
|
68
|
86
|
63
|
62
|
76
|
100
|
92
|
70
|
69
|
74
|
70
|
68
|
65
|
51
|
59
|
39
|
|
2026/02
|
46
|
29
|
55
|
67
|
61
|
53
|
27
|
36
|
61
|
95
|
76
|
73
|
67
|
73
|
35
|
48
|
84
|
33
|
46
|
91
|
363
|
312
|
122
|
92
|
89
|
91
|
76
|
44
|
|||
|
2026/01
|
46
|
38
|
47
|
38
|
26
|
33
|
54
|
57
|
154
|
71
|
48
|
76
|
72
|
168
|
84
|
56
|
66
|
49
|
26
|
21
|
46
|
65
|
68
|
56
|
190
|
122
|
99
|
93
|
93
|
80
|
70
|
|
2025/12
|
67
|
31
|
44
|
50
|
57
|
58
|
74
|
57
|
61
|
64
|
62
|
67
|
101
|
101
|
78
|
68
|
51
|
56
|
47
|
63
|
54
|
62
|
139
|
66
|
39
|
52
|
52
|
48
|
50
|
45
|
43
|
|
2025/11
|
43
|
40
|
48
|
54
|
66
|
77
|
44
|
79
|
85
|
82
|
65
|
50
|
46
|
59
|
65
|
49
|
19
|
24
|
42
|
41
|
53
|
62
|
87
|
157
|
62
|
267
|
174
|
100
|
88
|
86
|
|
|
2025/10
|
49
|
28
|
24
|
35
|
30
|
41
|
43
|
15
|
15
|
24
|
28
|
45
|
37
|
33
|
24
|
30
|
30
|
40
|
33
|
46
|
43
|
30
|
37
|
36
|
43
|
32
|
53
|
55
|
48
|
53
|
43
|
|
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