Air Quality
Excellent
No health implications.
8
PM2.5
24
PM10
62
O3
0.4
CO
3
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
49
Excellent
Fri
1 May
64
Good
Sat
2 May
69
Good
Sun
3 May
48
Excellent
Mon
4 May
45
Excellent
Tue
5 May
56
Good
Wed
6 May
26
Excellent
Air quality in the last 12 months (Yongtai)
|
2026/03
|
20
|
40
|
22
|
24
|
18
|
29
|
44
|
38
|
33
|
35
|
38
|
38
|
38
|
36
|
33
|
33
|
37
|
50
|
27
|
38
|
31
|
34
|
40
|
28
|
41
|
33
|
28
|
30
|
36
|
52
|
38
|
|
2026/02
|
18
|
36
|
44
|
40
|
46
|
55
|
16
|
30
|
29
|
31
|
33
|
46
|
38
|
46
|
48
|
49
|
36
|
34
|
40
|
41
|
55
|
49
|
57
|
60
|
25
|
20
|
30
|
12
|
|||
|
2026/01
|
27
|
19
|
27
|
31
|
29
|
22
|
40
|
38
|
46
|
40
|
51
|
55
|
41
|
39
|
39
|
46
|
50
|
40
|
37
|
22
|
22
|
37
|
28
|
32
|
28
|
36
|
33
|
23
|
35
|
23
|
19
|
|
2025/12
|
33
|
36
|
48
|
37
|
30
|
27
|
29
|
35
|
46
|
32
|
34
|
51
|
34
|
26
|
33
|
33
|
34
|
60
|
48
|
41
|
59
|
23
|
29
|
33
|
18
|
31
|
23
|
21
|
24
|
31
|
34
|
|
2025/11
|
19
|
33
|
42
|
9
|
8
|
19
|
26
|
26
|
23
|
25
|
18
|
7
|
8
|
24
|
39
|
30
|
28
|
21
|
20
|
26
|
29
|
34
|
36
|
35
|
38
|
73
|
50
|
71
|
64
|
46
|
|
|
2025/10
|
26
|
18
|
22
|
24
|
30
|
34
|
23
|
26
|
27
|
24
|
24
|
27
|
37
|
30
|
17
|
20
|
27
|
23
|
15
|
12
|
9
|
8
|
19
|
19
|
23
|
32
|
39
|
18
|
19
|
26
|
19
|
|
2025/09
|
23
|
26
|
34
|
36
|
28
|
14
|
18
|
16
|
18
|
24
|
22
|
32
|
36
|
30
|
24
|
17
|
13
|
11
|
15
|
11
|
13
|
15
|
15
|
15
|
14
|
13
|
15
|
17
|
25
|
29
|
|
|
2025/08
|
30
|
28
|
24
|
20
|
17
|
26
|
35
|
40
|
38
|
28
|
24
|
26
|
16
|
19
|
10
|
12
|
14
|
18
|
24
|
18
|
19
|
25
|
36
|
30
|
15
|
13
|
12
|
12
|
13
|
12
|
19
|
|
2025/07
|
19
|
15
|
21
|
21
|
17
|
16
|
17
|
33
|
28
|
16
|
11
|
17
|
30
|
20
|
31
|
37
|
41
|
21
|
13
|
13
|
10
|
11
|
14
|
13
|
17
|
18
|
17
|
18
|
18
|
32
|
32
|
|
2025/06
|
40
|
43
|
14
|
22
|
33
|
32
|
36
|
39
|
25
|
23
|
22
|
12
|
13
|
21
|
22
|
22
|
28
|
28
|
20
|
20
|
22
|
25
|
31
|
27
|
28
|
26
|
24
|
23
|
26
|
18
|
|
|
2025/05
|
54
|
45
|
57
|
52
|
42
|
46
|
56
|
43
|
37
|
29
|
27
|
33
|
36
|
38
|
40
|
40
|
33
|
28
|
34
|
37
|
36
|
33
|
46
|
16
|
46
|
37
|
34
|
15
|
12
|
26
|
39
|
|
2025/04
|
14
|
29
|
32
|
42
|
39
|
46
|
52
|
51
|
67
|
46
|
47
|
44
|
104
|
91
|
82
|
60
|
62
|
60
|
55
|
18
|
45
|
55
|
38
|
22
|
10
|
14
|
26
|
40
|
42
|
37
|
|
|
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