Air Quality
Excellent
No health implications.
10
PM2.5
18
PM10
45
O3
0.5
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Oct
55
Good
Thu
16 Oct
53
Good
Fri
17 Oct
51
Good
Sat
18 Oct
53
Good
Sun
19 Oct
52
Good
Mon
20 Oct
54
Good
Tue
21 Oct
31
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