Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
93
O3
0.3
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
43
Excellent
Wed
1 May
38
Excellent
Thu
2 May
36
Excellent
Fri
3 May
38
Excellent
Sat
4 May
54
Good
Sun
5 May
43
Excellent
Air quality in the last 12 months (Shehong)
|
2024/02
|
75
|
66
|
23
|
24
|
31
|
47
|
42
|
49
|
69
|
144
|
90
|
83
|
86
|
73
|
31
|
31
|
39
|
45
|
261
|
303
|
24
|
24
|
16
|
31
|
40
|
47
|
56
|
59
|
49
|
||
|
2024/01
|
138
|
59
|
70
|
75
|
89
|
90
|
96
|
101
|
94
|
88
|
82
|
88
|
121
|
114
|
97
|
28
|
26
|
38
|
33
|
28
|
23
|
25
|
35
|
28
|
34
|
42
|
46
|
52
|
71
|
89
|
93
|
|
2023/12
|
24
|
32
|
43
|
50
|
49
|
67
|
70
|
80
|
102
|
127
|
62
|
43
|
39
|
31
|
45
|
51
|
54
|
55
|
61
|
57
|
69
|
84
|
90
|
76
|
80
|
98
|
107
|
121
|
142
|
161
|
127
|
|
2023/11
|
50
|
56
|
45
|
32
|
37
|
34
|
46
|
44
|
55
|
51
|
27
|
24
|
15
|
17
|
19
|
45
|
56
|
57
|
65
|
67
|
88
|
99
|
85
|
96
|
64
|
29
|
40
|
57
|
51
|
27
|
|
|
2023/10
|
26
|
20
|
17
|
19
|
16
|
16
|
20
|
25
|
30
|
24
|
28
|
16
|
24
|
38
|
45
|
53
|
50
|
28
|
21
|
29
|
42
|
47
|
52
|
60
|
91
|
74
|
28
|
26
|
35
|
48
|
45
|
|
2023/09
|
45
|
49
|
62
|
63
|
66
|
52
|
50
|
49
|
50
|
34
|
32
|
25
|
24
|
33
|
41
|
51
|
52
|
28
|
17
|
20
|
27
|
18
|
14
|
13
|
12
|
13
|
16
|
17
|
20
|
20
|
|
|
2023/08
|
28
|
26
|
20
|
25
|
23
|
23
|
23
|
25
|
31
|
34
|
35
|
25
|
29
|
34
|
34
|
46
|
40
|
60
|
37
|
25
|
36
|
46
|
39
|
28
|
22
|
22
|
27
|
27
|
31
|
30
|
44
|
|
2023/07
|
52
|
32
|
24
|
30
|
38
|
41
|
37
|
57
|
52
|
45
|
39
|
37
|
25
|
34
|
53
|
68
|
48
|
43
|
37
|
25
|
26
|
31
|
36
|
34
|
31
|
26
|
17
|
19
|
23
|
34
|
32
|
|
2023/06
|
24
|
19
|
19
|
18
|
28
|
29
|
31
|
49
|
58
|
59
|
42
|
40
|
43
|
40
|
35
|
27
|
31
|
39
|
47
|
52
|
31
|
36
|
43
|
43
|
39
|
48
|
49
|
28
|
37
|
46
|
|
|
2023/05
|
63
|
46
|
46
|
42
|
63
|
34
|
23
|
18
|
19
|
21
|
38
|
49
|
62
|
67
|
73
|
69
|
52
|
45
|
52
|
49
|
46
|
29
|
32
|
36
|
42
|
24
|
24
|
41
|
30
|
38
|
41
|
|
2023/04
|
62
|
51
|
24
|
28
|
22
|
72
|
82
|
74
|
63
|
72
|
75
|
56
|
43
|
43
|
63
|
61
|
61
|
50
|
52
|
53
|
71
|
18
|
17
|
18
|
30
|
43
|
45
|
54
|
63
|
68
|
|
|
2023/03
|
59
|
91
|
73
|
66
|
76
|
64
|
56
|
67
|
81
|
50
|
43
|
67
|
46
|
45
|
58
|
35
|
28
|
28
|
37
|
29
|
39
|
72
|
26
|
16
|
20
|
19
|
21
|
29
|
39
|
50
|
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