Air Quality
Excellent
No health implications.
34
PM2.5
43
PM10
73
O3
0.6
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
74
Good
Tue
22 Apr
67
Good
Wed
23 Apr
54
Good
Thu
24 Apr
85
Good
Fri
25 Apr
82
Good
Sat
26 Apr
69
Good
Sun
27 Apr
22
Excellent
Air quality in the last 12 months (Yongde)
|
2025/02
|
73
|
72
|
60
|
59
|
67
|
74
|
62
|
51
|
54
|
52
|
46
|
50
|
51
|
67
|
67
|
72
|
54
|
55
|
64
|
66
|
64
|
64
|
63
|
62
|
54
|
48
|
46
|
52
|
|||
|
2025/01
|
45
|
42
|
40
|
43
|
50
|
48
|
42
|
41
|
39
|
44
|
48
|
45
|
47
|
47
|
50
|
48
|
49
|
47
|
46
|
41
|
42
|
47
|
50
|
44
|
45
|
58
|
40
|
51
|
97
|
54
|
55
|
|
2024/12
|
33
|
31
|
31
|
31
|
30
|
34
|
36
|
41
|
38
|
36
|
51
|
51
|
39
|
39
|
35
|
34
|
37
|
35
|
33
|
32
|
40
|
48
|
34
|
36
|
39
|
44
|
50
|
47
|
40
|
39
|
41
|
|
2024/11
|
39
|
40
|
34
|
32
|
31
|
28
|
20
|
18
|
23
|
27
|
25
|
25
|
25
|
25
|
26
|
29
|
33
|
32
|
32
|
30
|
27
|
28
|
32
|
33
|
31
|
28
|
32
|
32
|
32
|
29
|
|
|
2024/10
|
18
|
14
|
21
|
17
|
17
|
19
|
23
|
20
|
23
|
24
|
25
|
29
|
33
|
35
|
42
|
32
|
26
|
35
|
42
|
40
|
26
|
27
|
26
|
30
|
28
|
27
|
34
|
39
|
34
|
29
|
33
|
|
2024/09
|
21
|
25
|
21
|
23
|
21
|
24
|
33
|
31
|
25
|
22
|
16
|
20
|
22
|
20
|
28
|
28
|
27
|
29
|
31
|
38
|
40
|
30
|
27
|
28
|
33
|
27
|
21
|
20
|
20
|
19
|
|
|
2024/08
|
19
|
13
|
15
|
19
|
17
|
16
|
17
|
18
|
16
|
17
|
17
|
23
|
35
|
38
|
36
|
25
|
29
|
22
|
19
|
18
|
19
|
19
|
28
|
18
|
18
|
22
|
23
|
20
|
23
|
23
|
19
|
|
2024/07
|
17
|
16
|
15
|
14
|
19
|
19
|
17
|
20
|
17
|
18
|
12
|
15
|
22
|
20
|
19
|
21
|
24
|
21
|
19
|
16
|
14
|
14
|
15
|
17
|
19
|
18
|
17
|
19
|
17
|
14
|
20
|
|
2024/06
|
48
|
39
|
35
|
38
|
40
|
32
|
30
|
28
|
34
|
43
|
40
|
29
|
15
|
16
|
20
|
37
|
36
|
32
|
41
|
39
|
31
|
27
|
24
|
23
|
17
|
21
|
17
|
16
|
18
|
19
|
|
|
2024/05
|
74
|
58
|
45
|
62
|
68
|
38
|
50
|
58
|
51
|
39
|
32
|
44
|
44
|
45
|
47
|
49
|
44
|
45
|
50
|
50
|
34
|
37
|
34
|
31
|
25
|
19
|
17
|
20
|
36
|
42
|
44
|
|
2024/04
|
61
|
65
|
75
|
70
|
65
|
80
|
71
|
78
|
72
|
75
|
86
|
90
|
82
|
63
|
74
|
107
|
117
|
66
|
64
|
58
|
46
|
61
|
62
|
71
|
69
|
64
|
68
|
67
|
71
|
75
|
|
|
2024/03
|
46
|
46
|
51
|
53
|
44
|
46
|
46
|
46
|
46
|
60
|
65
|
77
|
79
|
71
|
73
|
81
|
80
|
63
|
61
|
88
|
79
|
36
|
35
|
50
|
45
|
55
|
63
|
60
|
67
|
82
|
72
|
|
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