Air Quality
Excellent
No health implications.
24
PM2.5
32
PM10
129
O3
0.5
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
68
Good
Fri
23 May
75
Good
Sat
24 May
75
Good
Sun
25 May
76
Good
Mon
26 May
75
Good
Tue
27 May
66
Good
Wed
28 May
22
Excellent
Air quality in the last 12 months (Yongshan)
|
2025/04
|
33
|
40
|
51
|
52
|
30
|
22
|
30
|
45
|
50
|
50
|
59
|
120
|
113
|
88
|
81
|
67
|
49
|
49
|
44
|
46
|
44
|
40
|
63
|
31
|
39
|
37
|
31
|
34
|
28
|
27
|
|
|
2025/03
|
61
|
62
|
37
|
37
|
23
|
12
|
20
|
27
|
39
|
49
|
54
|
48
|
59
|
49
|
21
|
18
|
20
|
20
|
31
|
42
|
47
|
54
|
48
|
45
|
44
|
49
|
62
|
113
|
42
|
34
|
33
|
|
2025/02
|
33
|
26
|
27
|
44
|
27
|
22
|
22
|
26
|
35
|
38
|
52
|
38
|
44
|
48
|
50
|
53
|
61
|
56
|
56
|
31
|
34
|
24
|
26
|
25
|
26
|
31
|
47
|
55
|
|||
|
2025/01
|
85
|
98
|
94
|
113
|
87
|
100
|
63
|
36
|
38
|
51
|
27
|
51
|
56
|
55
|
60
|
62
|
64
|
43
|
49
|
59
|
94
|
95
|
87
|
55
|
23
|
40
|
56
|
59
|
81
|
69
|
47
|
|
2024/12
|
64
|
82
|
68
|
76
|
46
|
47
|
35
|
29
|
28
|
32
|
40
|
43
|
34
|
35
|
36
|
52
|
75
|
91
|
88
|
73
|
69
|
58
|
43
|
46
|
39
|
40
|
66
|
56
|
70
|
42
|
48
|
|
2024/11
|
21
|
29
|
46
|
26
|
26
|
42
|
37
|
36
|
40
|
38
|
36
|
34
|
32
|
37
|
51
|
31
|
23
|
23
|
24
|
26
|
37
|
44
|
48
|
32
|
17
|
21
|
28
|
32
|
46
|
47
|
|
|
2024/10
|
15
|
26
|
21
|
28
|
31
|
24
|
29
|
36
|
34
|
24
|
21
|
21
|
19
|
28
|
36
|
50
|
23
|
32
|
28
|
29
|
23
|
19
|
28
|
45
|
30
|
20
|
19
|
28
|
50
|
46
|
38
|
|
2024/09
|
25
|
23
|
26
|
26
|
23
|
27
|
31
|
29
|
28
|
24
|
24
|
27
|
31
|
31
|
35
|
30
|
26
|
26
|
36
|
38
|
25
|
33
|
39
|
52
|
42
|
44
|
47
|
50
|
46
|
12
|
|
|
2024/08
|
31
|
35
|
39
|
22
|
23
|
26
|
28
|
26
|
27
|
26
|
57
|
43
|
49
|
47
|
45
|
30
|
33
|
32
|
36
|
38
|
43
|
48
|
49
|
49
|
45
|
36
|
41
|
41
|
49
|
46
|
40
|
|
2024/07
|
18
|
23
|
23
|
22
|
21
|
24
|
29
|
21
|
17
|
17
|
14
|
19
|
26
|
16
|
21
|
22
|
27
|
20
|
23
|
23
|
21
|
21
|
28
|
26
|
21
|
36
|
34
|
15
|
19
|
17
|
26
|
|
2024/06
|
46
|
28
|
26
|
19
|
25
|
32
|
15
|
18
|
21
|
23
|
20
|
26
|
35
|
30
|
39
|
48
|
21
|
28
|
20
|
25
|
23
|
18
|
22
|
24
|
27
|
27
|
15
|
20
|
17
|
20
|
|
|
2024/05
|
26
|
27
|
27
|
16
|
33
|
50
|
47
|
42
|
22
|
34
|
23
|
26
|
31
|
45
|
39
|
40
|
46
|
25
|
33
|
32
|
30
|
36
|
37
|
41
|
39
|
20
|
29
|
27
|
16
|
16
|
32
|
|
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