Air Quality
Excellent
No health implications.
26
PM2.5
32
PM10
34
O3
0.6
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
56
Good
Sun
21 Dec
56
Good
Mon
22 Dec
45
Excellent
Tue
23 Dec
55
Good
Wed
24 Dec
53
Good
Thu
25 Dec
54
Good
Fri
26 Dec
24
Excellent
Air quality in the last 12 months (Yongtai)
|
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
|
|
2024/12
|
37
|
36
|
28
|
39
|
40
|
36
|
20
|
54
|
38
|
36
|
30
|
15
|
15
|
49
|
70
|
53
|
42
|
38
|
43
|
26
|
36
|
58
|
32
|
23
|
27
|
49
|
67
|
81
|
45
|
40
|
55
|
|
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