Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
101
O3
0.5
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Sep
49
Excellent
Sat
6 Sep
54
Good
Sun
7 Sep
46
Excellent
Mon
8 Sep
43
Excellent
Tue
9 Sep
44
Excellent
Wed
10 Sep
42
Excellent
Thu
11 Sep
17
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