Air Quality
Excellent
No health implications.
32
PM2.5
41
PM10
141
O3
0.9
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
62
Good
Sat
27 Apr
65
Good
Sun
28 Apr
63
Good
Mon
29 Apr
44
Excellent
Tue
30 Apr
49
Excellent
Wed
1 May
62
Good
Thu
2 May
58
Good
Air quality in the last 12 months (Hengshan)
|
2024/02
|
38
|
16
|
20
|
43
|
70
|
33
|
65
|
112
|
139
|
217
|
124
|
93
|
53
|
53
|
56
|
42
|
40
|
32
|
57
|
42
|
14
|
26
|
35
|
42
|
64
|
55
|
78
|
49
|
58
|
||
|
2024/01
|
91
|
106
|
65
|
64
|
75
|
93
|
110
|
128
|
121
|
117
|
88
|
92
|
95
|
96
|
201
|
154
|
90
|
28
|
16
|
32
|
70
|
42
|
50
|
48
|
55
|
64
|
82
|
88
|
80
|
47
|
68
|
|
2023/12
|
47
|
65
|
77
|
66
|
49
|
65
|
68
|
65
|
68
|
66
|
14
|
41
|
57
|
59
|
19
|
31
|
40
|
33
|
61
|
55
|
68
|
53
|
62
|
75
|
77
|
86
|
94
|
163
|
230
|
235
|
194
|
|
2023/11
|
68
|
62
|
69
|
81
|
69
|
22
|
42
|
34
|
31
|
22
|
14
|
15
|
63
|
77
|
58
|
49
|
65
|
69
|
67
|
66
|
63
|
63
|
78
|
71
|
67
|
75
|
83
|
82
|
69
|
70
|
|
|
2023/10
|
46
|
50
|
37
|
37
|
26
|
52
|
34
|
41
|
34
|
30
|
41
|
60
|
68
|
69
|
85
|
72
|
76
|
79
|
55
|
22
|
40
|
57
|
70
|
79
|
77
|
47
|
74
|
60
|
70
|
62
|
65
|
|
2023/09
|
44
|
41
|
36
|
42
|
45
|
34
|
25
|
29
|
39
|
34
|
35
|
34
|
24
|
23
|
21
|
31
|
35
|
38
|
35
|
38
|
20
|
25
|
32
|
41
|
33
|
41
|
52
|
56
|
55
|
61
|
|
|
2023/08
|
23
|
23
|
35
|
43
|
37
|
26
|
32
|
35
|
32
|
38
|
45
|
33
|
33
|
41
|
36
|
38
|
41
|
49
|
57
|
54
|
37
|
29
|
32
|
40
|
47
|
30
|
27
|
23
|
41
|
47
|
40
|
|
2023/07
|
46
|
33
|
24
|
19
|
23
|
22
|
21
|
23
|
24
|
24
|
27
|
27
|
28
|
34
|
40
|
56
|
49
|
32
|
20
|
22
|
25
|
24
|
30
|
34
|
29
|
29
|
32
|
26
|
31
|
31
|
25
|
|
2023/06
|
42
|
54
|
59
|
58
|
38
|
36
|
45
|
28
|
29
|
31
|
44
|
51
|
32
|
41
|
50
|
48
|
26
|
19
|
20
|
27
|
27
|
21
|
26
|
28
|
23
|
21
|
21
|
27
|
24
|
32
|
|
|
2023/05
|
71
|
60
|
35
|
30
|
37
|
22
|
27
|
50
|
64
|
45
|
33
|
54
|
78
|
101
|
80
|
76
|
46
|
51
|
50
|
58
|
42
|
31
|
49
|
37
|
34
|
33
|
22
|
33
|
43
|
54
|
39
|
|
2023/04
|
51
|
40
|
25
|
20
|
22
|
26
|
47
|
75
|
67
|
64
|
41
|
51
|
55
|
44
|
82
|
72
|
58
|
37
|
31
|
45
|
47
|
31
|
13
|
13
|
21
|
32
|
42
|
36
|
66
|
86
|
|
|
2023/03
|
94
|
134
|
119
|
91
|
65
|
63
|
79
|
82
|
63
|
52
|
67
|
108
|
102
|
79
|
71
|
90
|
26
|
38
|
15
|
34
|
43
|
39
|
35
|
24
|
54
|
57
|
51
|
73
|
63
|
58
|
50
|
|
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