Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
47
O3
0.4
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Mar
49
Excellent
Mon
17 Mar
57
Good
Tue
18 Mar
60
Good
Wed
19 Mar
58
Good
Thu
20 Mar
57
Good
Fri
21 Mar
16
Excellent
Sat
22 Mar
17
Excellent
Air quality in the last 12 months (Yongtai)
|
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
|
|
2024/11
|
8
|
12
|
29
|
32
|
40
|
34
|
22
|
22
|
29
|
35
|
20
|
17
|
18
|
18
|
18
|
13
|
15
|
14
|
13
|
11
|
12
|
25
|
28
|
26
|
13
|
15
|
28
|
24
|
36
|
38
|
|
|
2024/10
|
9
|
7
|
13
|
11
|
11
|
16
|
13
|
10
|
23
|
38
|
38
|
35
|
28
|
35
|
28
|
20
|
29
|
35
|
29
|
14
|
23
|
25
|
27
|
28
|
19
|
15
|
18
|
10
|
30
|
34
|
14
|
|
2024/09
|
39
|
35
|
25
|
19
|
19
|
14
|
16
|
20
|
17
|
35
|
48
|
40
|
16
|
18
|
23
|
24
|
17
|
21
|
19
|
22
|
20
|
8
|
8
|
18
|
18
|
14
|
16
|
21
|
24
|
13
|
|
|
2024/08
|
31
|
42
|
46
|
43
|
37
|
31
|
33
|
38
|
32
|
43
|
45
|
44
|
29
|
21
|
20
|
21
|
18
|
22
|
23
|
14
|
18
|
26
|
34
|
36
|
37
|
37
|
52
|
39
|
32
|
41
|
42
|
|
2024/07
|
23
|
25
|
25
|
26
|
31
|
26
|
22
|
23
|
22
|
26
|
28
|
26
|
30
|
33
|
31
|
26
|
25
|
23
|
26
|
34
|
30
|
22
|
14
|
12
|
7
|
10
|
11
|
24
|
18
|
25
|
29
|
|
2024/06
|
13
|
7
|
14
|
28
|
21
|
14
|
24
|
32
|
27
|
27
|
25
|
27
|
23
|
23
|
23
|
16
|
25
|
25
|
32
|
23
|
28
|
32
|
32
|
24
|
31
|
29
|
23
|
24
|
20
|
22
|
|
|
2024/05
|
17
|
17
|
25
|
31
|
34
|
35
|
42
|
42
|
36
|
30
|
46
|
42
|
17
|
28
|
34
|
37
|
30
|
36
|
29
|
18
|
8
|
10
|
25
|
39
|
41
|
28
|
21
|
19
|
24
|
31
|
33
|
|
2024/04
|
30
|
52
|
48
|
30
|
17
|
32
|
22
|
33
|
20
|
46
|
49
|
64
|
55
|
51
|
62
|
63
|
48
|
34
|
55
|
57
|
29
|
39
|
35
|
28
|
61
|
50
|
45
|
30
|
45
|
32
|
|
|
2024/03
|
12
|
26
|
35
|
44
|
62
|
25
|
35
|
57
|
62
|
50
|
32
|
39
|
65
|
59
|
37
|
43
|
53
|
45
|
39
|
47
|
54
|
65
|
59
|
46
|
34
|
31
|
31
|
46
|
38
|
49
|
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