Air Quality
Excellent
No health implications.
9
PM2.5
15
PM10
8
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
42
Excellent
Sat
20 Sep
45
Excellent
Sun
21 Sep
47
Excellent
Mon
22 Sep
51
Good
Tue
23 Sep
48
Excellent
Wed
24 Sep
42
Excellent
Thu
25 Sep
26
Excellent
Air quality in the last 12 months (Yongding)
|
2025/08
|
19
|
20
|
15
|
16
|
13
|
19
|
23
|
23
|
26
|
18
|
26
|
17
|
23
|
7
|
18
|
18
|
23
|
20
|
15
|
17
|
18
|
20
|
23
|
22
|
21
|
16
|
15
|
18
|
22
|
28
|
24
|
|
2025/07
|
23
|
22
|
30
|
33
|
21
|
20
|
28
|
33
|
28
|
12
|
13
|
18
|
23
|
24
|
27
|
32
|
30
|
23
|
13
|
13
|
12
|
12
|
19
|
20
|
19
|
24
|
21
|
20
|
23
|
19
|
19
|
|
2025/06
|
19
|
25
|
13
|
19
|
33
|
36
|
35
|
36
|
30
|
23
|
22
|
21
|
18
|
15
|
15
|
16
|
10
|
20
|
18
|
15
|
16
|
18
|
17
|
21
|
25
|
18
|
18
|
18
|
19
|
21
|
|
|
2025/05
|
48
|
51
|
44
|
47
|
26
|
26
|
20
|
32
|
21
|
30
|
22
|
27
|
35
|
36
|
31
|
24
|
21
|
20
|
18
|
25
|
23
|
26
|
22
|
18
|
30
|
30
|
33
|
33
|
9
|
16
|
28
|
|
2025/04
|
16
|
30
|
45
|
48
|
43
|
51
|
51
|
56
|
57
|
28
|
40
|
62
|
103
|
79
|
72
|
67
|
57
|
48
|
31
|
27
|
31
|
30
|
28
|
22
|
17
|
16
|
28
|
22
|
36
|
46
|
|
|
2025/03
|
29
|
28
|
27
|
25
|
14
|
10
|
19
|
30
|
44
|
47
|
41
|
37
|
23
|
30
|
16
|
13
|
45
|
30
|
38
|
40
|
45
|
54
|
54
|
62
|
70
|
63
|
39
|
40
|
10
|
7
|
10
|
|
2025/02
|
34
|
28
|
8
|
22
|
31
|
37
|
16
|
45
|
34
|
38
|
35
|
49
|
46
|
36
|
37
|
39
|
42
|
54
|
42
|
42
|
25
|
28
|
13
|
19
|
43
|
54
|
47
|
41
|
|||
|
2025/01
|
66
|
62
|
56
|
46
|
48
|
53
|
56
|
61
|
57
|
40
|
44
|
39
|
41
|
43
|
48
|
61
|
42
|
50
|
44
|
43
|
46
|
57
|
43
|
52
|
33
|
15
|
23
|
36
|
85
|
41
|
27
|
|
2024/12
|
46
|
47
|
40
|
39
|
46
|
50
|
47
|
19
|
34
|
35
|
39
|
23
|
26
|
46
|
39
|
39
|
43
|
42
|
42
|
43
|
39
|
48
|
58
|
44
|
50
|
49
|
64
|
71
|
63
|
57
|
55
|
|
2024/11
|
15
|
17
|
29
|
32
|
35
|
39
|
29
|
27
|
37
|
41
|
40
|
26
|
21
|
29
|
33
|
20
|
23
|
20
|
16
|
15
|
15
|
21
|
24
|
32
|
20
|
15
|
25
|
27
|
32
|
38
|
|
|
2024/10
|
16
|
13
|
22
|
24
|
22
|
26
|
27
|
23
|
22
|
23
|
32
|
43
|
32
|
37
|
40
|
27
|
30
|
30
|
35
|
27
|
23
|
25
|
18
|
26
|
29
|
31
|
34
|
13
|
16
|
27
|
24
|
|
2024/09
|
24
|
26
|
33
|
26
|
24
|
16
|
15
|
20
|
20
|
21
|
29
|
37
|
31
|
25
|
21
|
20
|
18
|
18
|
27
|
22
|
17
|
17
|
10
|
12
|
17
|
21
|
24
|
25
|
20
|
18
|
|
|
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