Air Quality
Excellent
No health implications.
13
PM2.5
20
PM10
42
O3
0.4
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
39
Excellent
Sun
21 Apr
39
Excellent
Mon
22 Apr
51
Good
Tue
23 Apr
48
Excellent
Wed
24 Apr
54
Good
Thu
25 Apr
51
Good
Air quality in the last 12 months (Yongding)
|
2024/02
|
29
|
25
|
20
|
20
|
17
|
25
|
15
|
9
|
24
|
56
|
41
|
39
|
39
|
42
|
43
|
30
|
35
|
32
|
25
|
24
|
20
|
26
|
26
|
26
|
27
|
28
|
19
|
40
|
27
|
||
|
2024/01
|
68
|
72
|
28
|
32
|
45
|
50
|
56
|
80
|
65
|
30
|
38
|
49
|
52
|
52
|
46
|
68
|
50
|
39
|
36
|
31
|
20
|
17
|
16
|
29
|
38
|
45
|
49
|
36
|
45
|
41
|
37
|
|
2023/12
|
36
|
46
|
49
|
43
|
22
|
29
|
28
|
34
|
45
|
40
|
35
|
28
|
36
|
41
|
31
|
16
|
20
|
30
|
20
|
13
|
19
|
40
|
33
|
33
|
37
|
43
|
46
|
50
|
45
|
50
|
56
|
|
2023/11
|
35
|
36
|
41
|
50
|
43
|
33
|
41
|
52
|
46
|
38
|
20
|
13
|
15
|
26
|
33
|
24
|
52
|
53
|
53
|
48
|
44
|
45
|
43
|
49
|
50
|
40
|
48
|
47
|
53
|
51
|
|
|
2023/10
|
32
|
28
|
33
|
32
|
24
|
26
|
16
|
16
|
19
|
18
|
15
|
24
|
25
|
29
|
41
|
43
|
53
|
55
|
51
|
21
|
16
|
23
|
30
|
34
|
40
|
46
|
31
|
19
|
29
|
34
|
34
|
|
2023/09
|
14
|
17
|
19
|
17
|
12
|
13
|
16
|
23
|
27
|
27
|
26
|
26
|
27
|
26
|
21
|
28
|
26
|
30
|
41
|
37
|
40
|
36
|
24
|
28
|
26
|
28
|
30
|
31
|
28
|
30
|
|
|
2023/08
|
20
|
27
|
27
|
30
|
27
|
27
|
27
|
24
|
28
|
24
|
23
|
23
|
21
|
22
|
24
|
28
|
23
|
25
|
28
|
24
|
20
|
20
|
21
|
22
|
27
|
29
|
25
|
21
|
21
|
16
|
14
|
|
2023/07
|
18
|
15
|
15
|
17
|
19
|
20
|
19
|
24
|
29
|
28
|
31
|
23
|
24
|
29
|
39
|
25
|
17
|
14
|
15
|
19
|
22
|
18
|
21
|
22
|
30
|
18
|
15
|
14
|
19
|
18
|
22
|
|
2023/06
|
34
|
32
|
33
|
28
|
26
|
23
|
20
|
23
|
19
|
19
|
31
|
38
|
37
|
30
|
24
|
22
|
17
|
20
|
18
|
20
|
20
|
20
|
16
|
19
|
21
|
13
|
17
|
20
|
16
|
15
|
|
|
2023/05
|
45
|
46
|
33
|
21
|
23
|
21
|
19
|
21
|
28
|
43
|
37
|
30
|
33
|
42
|
44
|
42
|
22
|
29
|
34
|
27
|
22
|
26
|
24
|
41
|
44
|
37
|
35
|
51
|
37
|
33
|
33
|
|
2023/04
|
22
|
40
|
40
|
32
|
25
|
27
|
24
|
47
|
51
|
45
|
40
|
50
|
46
|
51
|
35
|
48
|
52
|
37
|
30
|
27
|
30
|
34
|
51
|
26
|
16
|
18
|
33
|
40
|
34
|
42
|
|
|
2023/03
|
48
|
62
|
65
|
58
|
57
|
53
|
52
|
51
|
52
|
57
|
47
|
47
|
53
|
57
|
58
|
60
|
41
|
51
|
45
|
53
|
52
|
43
|
32
|
23
|
22
|
14
|
15
|
28
|
33
|
39
|
33
|
|
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