Air Quality
Excellent
No health implications.
13
PM2.5
33
PM10
46
O3
0.8
CO
9
SO2
39
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
41
Excellent
Tue
30 Apr
47
Excellent
Wed
1 May
56
Good
Thu
2 May
71
Good
Fri
3 May
81
Good
Sat
4 May
85
Good
Sun
5 May
79
Good
Air quality in the last 12 months (Songshan)
|
2024/02
|
49
|
59
|
61
|
57
|
58
|
54
|
42
|
41
|
61
|
126
|
33
|
48
|
51
|
32
|
29
|
52
|
65
|
61
|
28
|
23
|
26
|
25
|
34
|
91
|
75
|
58
|
64
|
46
|
32
|
||
|
2024/01
|
69
|
32
|
22
|
38
|
28
|
22
|
29
|
57
|
44
|
38
|
37
|
43
|
56
|
27
|
50
|
67
|
54
|
34
|
26
|
25
|
23
|
24
|
26
|
27
|
25
|
32
|
41
|
40
|
42
|
59
|
63
|
|
2023/12
|
21
|
26
|
30
|
51
|
67
|
32
|
85
|
96
|
38
|
41
|
24
|
52
|
35
|
28
|
33
|
26
|
22
|
71
|
54
|
23
|
22
|
25
|
34
|
23
|
41
|
33
|
75
|
86
|
89
|
78
|
51
|
|
2023/11
|
56
|
114
|
32
|
80
|
88
|
73
|
57
|
57
|
25
|
20
|
25
|
25
|
40
|
64
|
65
|
42
|
33
|
39
|
48
|
56
|
79
|
48
|
24
|
23
|
47
|
61
|
41
|
25
|
29
|
22
|
|
|
2023/10
|
29
|
38
|
36
|
28
|
32
|
41
|
55
|
39
|
33
|
40
|
45
|
56
|
44
|
37
|
27
|
40
|
54
|
30
|
20
|
24
|
38
|
45
|
56
|
61
|
57
|
45
|
52
|
75
|
98
|
62
|
68
|
|
2023/09
|
26
|
32
|
39
|
37
|
55
|
58
|
58
|
40
|
40
|
31
|
26
|
24
|
33
|
39
|
46
|
48
|
60
|
26
|
21
|
23
|
32
|
26
|
28
|
27
|
32
|
49
|
33
|
27
|
46
|
29
|
|
|
2023/08
|
19
|
27
|
33
|
35
|
26
|
25
|
26
|
45
|
33
|
36
|
20
|
23
|
31
|
32
|
42
|
38
|
41
|
39
|
35
|
48
|
36
|
34
|
25
|
23
|
21
|
21
|
25
|
25
|
22
|
25
|
22
|
|
2023/07
|
40
|
66
|
66
|
35
|
58
|
84
|
38
|
37
|
24
|
25
|
35
|
65
|
30
|
32
|
29
|
31
|
45
|
51
|
54
|
51
|
52
|
27
|
27
|
27
|
32
|
45
|
43
|
35
|
37
|
22
|
16
|
|
2023/06
|
75
|
30
|
29
|
27
|
27
|
33
|
45
|
23
|
22
|
24
|
24
|
25
|
30
|
37
|
59
|
82
|
60
|
66
|
44
|
29
|
29
|
33
|
43
|
59
|
65
|
57
|
42
|
48
|
37
|
32
|
|
|
2023/05
|
42
|
67
|
57
|
59
|
39
|
31
|
39
|
40
|
42
|
45
|
61
|
42
|
29
|
40
|
69
|
135
|
51
|
51
|
127
|
359
|
51
|
45
|
32
|
47
|
50
|
46
|
60
|
53
|
38
|
33
|
46
|
|
2023/04
|
62
|
65
|
38
|
30
|
34
|
45
|
36
|
44
|
61
|
244
|
329
|
78
|
123
|
150
|
118
|
38
|
60
|
30
|
67
|
44
|
35
|
46
|
41
|
53
|
57
|
33
|
68
|
76
|
35
|
27
|
|
|
2023/03
|
40
|
36
|
57
|
90
|
110
|
78
|
80
|
45
|
117
|
194
|
39
|
40
|
68
|
168
|
66
|
37
|
60
|
52
|
38
|
59
|
90
|
266
|
75
|
36
|
39
|
43
|
41
|
50
|
51
|
42
|
64
|
|
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