Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
39
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
45
Excellent
Sun
17 May
43
Excellent
Mon
18 May
51
Good
Tue
19 May
56
Good
Wed
20 May
54
Good
Thu
21 May
50
Excellent
Fri
22 May
45
Excellent
Air quality in the last 12 months (Dingnan)
|
2026/04
|
29
|
33
|
32
|
26
|
36
|
37
|
41
|
38
|
42
|
39
|
39
|
35
|
32
|
41
|
48
|
42
|
43
|
40
|
43
|
47
|
41
|
33
|
28
|
20
|
29
|
54
|
58
|
54
|
28
|
24
|
|
|
2026/03
|
17
|
31
|
21
|
28
|
31
|
35
|
45
|
48
|
39
|
34
|
49
|
54
|
48
|
51
|
50
|
50
|
50
|
45
|
41
|
43
|
42
|
47
|
49
|
39
|
46
|
36
|
47
|
38
|
43
|
58
|
33
|
|
2026/02
|
23
|
40
|
50
|
59
|
57
|
55
|
29
|
36
|
40
|
49
|
44
|
46
|
52
|
41
|
33
|
42
|
56
|
43
|
41
|
42
|
49
|
59
|
53
|
59
|
38
|
34
|
29
|
13
|
|||
|
2026/01
|
36
|
16
|
36
|
50
|
43
|
35
|
43
|
50
|
56
|
55
|
59
|
64
|
61
|
64
|
72
|
75
|
68
|
83
|
78
|
41
|
31
|
41
|
39
|
51
|
52
|
60
|
50
|
37
|
48
|
52
|
29
|
|
2025/12
|
50
|
57
|
56
|
56
|
59
|
57
|
57
|
56
|
62
|
59
|
58
|
58
|
36
|
35
|
54
|
51
|
54
|
64
|
63
|
52
|
70
|
52
|
49
|
50
|
22
|
34
|
42
|
48
|
49
|
51
|
56
|
|
2025/11
|
33
|
46
|
38
|
15
|
16
|
29
|
42
|
47
|
43
|
20
|
34
|
16
|
17
|
31
|
45
|
53
|
50
|
41
|
23
|
39
|
41
|
55
|
54
|
55
|
47
|
70
|
62
|
72
|
77
|
60
|
|
|
2025/10
|
45
|
28
|
37
|
39
|
29
|
25
|
35
|
39
|
40
|
36
|
36
|
40
|
29
|
31
|
30
|
33
|
39
|
39
|
27
|
17
|
13
|
14
|
25
|
30
|
35
|
46
|
52
|
51
|
27
|
42
|
38
|
|
2025/09
|
33
|
26
|
29
|
33
|
33
|
32
|
18
|
12
|
13
|
19
|
20
|
30
|
29
|
34
|
32
|
30
|
30
|
18
|
20
|
11
|
19
|
20
|
19
|
13
|
20
|
24
|
33
|
34
|
37
|
48
|
|
|
2025/08
|
24
|
27
|
19
|
16
|
14
|
22
|
29
|
31
|
28
|
22
|
18
|
27
|
26
|
10
|
18
|
24
|
29
|
21
|
19
|
18
|
25
|
20
|
28
|
23
|
26
|
16
|
21
|
25
|
25
|
27
|
34
|
|
2025/07
|
27
|
25
|
34
|
38
|
19
|
24
|
32
|
37
|
34
|
15
|
12
|
21
|
33
|
25
|
29
|
35
|
38
|
28
|
17
|
14
|
12
|
13
|
18
|
21
|
22
|
23
|
22
|
20
|
22
|
19
|
18
|
|
2025/06
|
31
|
23
|
14
|
27
|
38
|
38
|
35
|
41
|
28
|
31
|
31
|
26
|
21
|
17
|
16
|
21
|
18
|
24
|
22
|
14
|
17
|
20
|
23
|
24
|
23
|
18
|
20
|
20
|
22
|
22
|
|
|
2025/05
|
60
|
53
|
50
|
49
|
31
|
33
|
36
|
55
|
33
|
31
|
30
|
42
|
46
|
43
|
34
|
23
|
21
|
26
|
24
|
26
|
26
|
32
|
31
|
25
|
48
|
48
|
44
|
40
|
11
|
22
|
39
|
|
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