Air Quality
Excellent
No health implications.
24
PM2.5
43
PM10
106
O3
0.7
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
54
Good
Mon
5 May
42
Excellent
Tue
6 May
56
Good
Wed
7 May
51
Good
Thu
8 May
53
Good
Fri
9 May
52
Good
Sat
10 May
24
Excellent
Air quality in the last 12 months (Dingnan)
|
2025/02
|
50
|
26
|
16
|
32
|
52
|
56
|
21
|
51
|
41
|
41
|
48
|
58
|
51
|
50
|
55
|
60
|
45
|
53
|
38
|
38
|
24
|
21
|
21
|
32
|
51
|
68
|
73
|
58
|
|||
|
2025/01
|
73
|
70
|
69
|
56
|
67
|
70
|
67
|
69
|
65
|
56
|
49
|
51
|
61
|
59
|
68
|
78
|
61
|
57
|
58
|
59
|
64
|
69
|
65
|
50
|
44
|
22
|
25
|
50
|
126
|
55
|
47
|
|
2024/12
|
63
|
64
|
52
|
49
|
56
|
49
|
45
|
38
|
48
|
49
|
42
|
29
|
32
|
48
|
54
|
53
|
59
|
59
|
57
|
51
|
52
|
64
|
72
|
52
|
61
|
63
|
72
|
76
|
69
|
66
|
70
|
|
2024/11
|
20
|
24
|
39
|
48
|
48
|
45
|
34
|
36
|
49
|
49
|
45
|
34
|
30
|
37
|
40
|
24
|
29
|
19
|
19
|
17
|
20
|
26
|
31
|
38
|
32
|
17
|
28
|
30
|
39
|
55
|
|
|
2024/10
|
19
|
16
|
26
|
27
|
24
|
30
|
31
|
25
|
28
|
38
|
48
|
48
|
43
|
47
|
50
|
38
|
40
|
47
|
41
|
23
|
31
|
37
|
34
|
36
|
35
|
35
|
41
|
16
|
32
|
43
|
27
|
|
2024/09
|
34
|
41
|
44
|
30
|
27
|
18
|
16
|
20
|
19
|
30
|
43
|
50
|
32
|
39
|
26
|
26
|
27
|
21
|
36
|
22
|
22
|
15
|
16
|
20
|
20
|
28
|
26
|
23
|
27
|
20
|
|
|
2024/08
|
24
|
29
|
33
|
43
|
35
|
38
|
31
|
32
|
35
|
46
|
38
|
32
|
23
|
25
|
21
|
20
|
23
|
17
|
18
|
15
|
14
|
21
|
27
|
26
|
36
|
42
|
35
|
32
|
36
|
32
|
33
|
|
2024/07
|
20
|
20
|
20
|
20
|
20
|
17
|
13
|
17
|
17
|
20
|
21
|
25
|
23
|
25
|
20
|
19
|
17
|
17
|
17
|
22
|
22
|
27
|
34
|
30
|
20
|
10
|
11
|
17
|
19
|
21
|
13
|
|
2024/06
|
12
|
11
|
34
|
23
|
23
|
27
|
28
|
31
|
23
|
25
|
21
|
26
|
32
|
23
|
20
|
18
|
18
|
25
|
20
|
22
|
22
|
31
|
23
|
17
|
20
|
23
|
22
|
20
|
16
|
19
|
|
|
2024/05
|
26
|
24
|
34
|
40
|
23
|
35
|
52
|
49
|
49
|
49
|
47
|
33
|
40
|
37
|
48
|
56
|
57
|
55
|
45
|
21
|
14
|
13
|
23
|
20
|
28
|
18
|
17
|
23
|
31
|
45
|
33
|
|
2024/04
|
37
|
58
|
46
|
42
|
24
|
28
|
17
|
30
|
25
|
41
|
53
|
59
|
68
|
48
|
58
|
53
|
42
|
34
|
37
|
45
|
23
|
34
|
34
|
27
|
30
|
23
|
31
|
17
|
24
|
25
|
|
|
2024/03
|
14
|
28
|
46
|
50
|
66
|
37
|
38
|
57
|
62
|
54
|
35
|
36
|
69
|
68
|
53
|
69
|
59
|
43
|
47
|
60
|
65
|
67
|
66
|
46
|
42
|
41
|
46
|
52
|
52
|
62
|
40
|
|
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