Air Quality
Excellent
No health implications.
15
PM2.5
34
PM10
8
O3
0.8
CO
10
SO2
62
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
73
Good
Fri
10 Jan
80
Good
Sat
11 Jan
83
Good
Sun
12 Jan
70
Good
Mon
13 Jan
65
Good
Tue
14 Jan
31
Excellent
Wed
15 Jan
19
Excellent
Air quality in the last 12 months (Hengshan)
|
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
|
|
|
2024/08
|
36
|
34
|
26
|
28
|
32
|
27
|
14
|
22
|
61
|
72
|
18
|
24
|
37
|
36
|
37
|
27
|
34
|
27
|
36
|
30
|
36
|
45
|
40
|
39
|
36
|
16
|
22
|
28
|
30
|
33
|
39
|
|
2024/07
|
40
|
35
|
43
|
24
|
40
|
43
|
36
|
43
|
34
|
40
|
47
|
46
|
56
|
55
|
35
|
24
|
29
|
36
|
28
|
28
|
152
|
95
|
57
|
78
|
48
|
46
|
43
|
47
|
38
|
27
|
30
|
|
2024/06
|
46
|
31
|
27
|
30
|
31
|
31
|
22
|
38
|
42
|
36
|
48
|
51
|
63
|
42
|
41
|
43
|
31
|
35
|
42
|
46
|
41
|
88
|
93
|
85
|
68
|
73
|
52
|
58
|
30
|
30
|
|
|
2024/05
|
31
|
35
|
41
|
24
|
42
|
44
|
44
|
54
|
55
|
117
|
118
|
47
|
49
|
79
|
62
|
69
|
106
|
83
|
73
|
63
|
59
|
57
|
48
|
51
|
42
|
37
|
33
|
42
|
49
|
54
|
37
|
|
2024/04
|
67
|
60
|
37
|
54
|
56
|
52
|
57
|
55
|
54
|
44
|
38
|
41
|
64
|
100
|
87
|
55
|
63
|
62
|
60
|
43
|
58
|
174
|
75
|
73
|
67
|
67
|
59
|
60
|
38
|
29
|
|
|
2024/03
|
45
|
54
|
57
|
62
|
59
|
51
|
77
|
47
|
64
|
69
|
65
|
46
|
58
|
63
|
94
|
192
|
66
|
195
|
63
|
59
|
84
|
157
|
96
|
46
|
59
|
45
|
106
|
196
|
79
|
51
|
60
|
|
2024/02
|
110
|
109
|
122
|
103
|
96
|
55
|
56
|
73
|
88
|
94
|
59
|
54
|
56
|
232
|
55
|
52
|
60
|
499
|
182
|
76
|
49
|
45
|
65
|
61
|
81
|
98
|
88
|
87
|
48
|
||
|
2024/01
|
62
|
52
|
48
|
50
|
48
|
28
|
46
|
64
|
53
|
53
|
63
|
61
|
75
|
56
|
57
|
85
|
91
|
73
|
99
|
46
|
20
|
27
|
34
|
23
|
43
|
57
|
53
|
66
|
62
|
76
|
79
|
|
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