Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
47
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
42
Excellent
Thu
29 Jan
39
Excellent
Fri
30 Jan
42
Excellent
Sat
31 Jan
49
Excellent
Sun
1 Feb
42
Excellent
Mon
2 Feb
15
Excellent
Tue
3 Feb
41
Excellent
Air quality in the last 12 months (Yongtai)
|
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
|
|
|
2025/03
|
70
|
50
|
39
|
34
|
10
|
10
|
26
|
34
|
35
|
32
|
50
|
62
|
42
|
22
|
25
|
14
|
46
|
38
|
43
|
45
|
36
|
38
|
56
|
67
|
80
|
71
|
56
|
47
|
17
|
7
|
7
|
|
2025/02
|
35
|
12
|
11
|
47
|
47
|
30
|
17
|
50
|
30
|
33
|
41
|
95
|
60
|
62
|
41
|
64
|
67
|
49
|
33
|
9
|
10
|
21
|
11
|
48
|
62
|
60
|
65
|
55
|
|||
|
2025/01
|
61
|
50
|
41
|
37
|
36
|
51
|
62
|
50
|
52
|
46
|
31
|
40
|
42
|
47
|
70
|
57
|
48
|
41
|
37
|
42
|
58
|
47
|
40
|
22
|
26
|
29
|
18
|
38
|
92
|
38
|
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