Air Quality
Excellent
No health implications.
10
PM2.5
25
PM10
27
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
44
Excellent
Fri
9 May
47
Excellent
Sat
10 May
42
Excellent
Sun
11 May
72
Good
Mon
12 May
71
Good
Tue
13 May
50
Excellent
Wed
14 May
15
Excellent
Air quality in the last 12 months (Duanzhou)
|
2025/02
|
54
|
52
|
9
|
26
|
42
|
40
|
17
|
38
|
47
|
49
|
62
|
89
|
50
|
69
|
48
|
92
|
46
|
53
|
54
|
50
|
36
|
36
|
18
|
31
|
75
|
76
|
113
|
59
|
|||
|
2025/01
|
73
|
66
|
57
|
68
|
71
|
79
|
80
|
83
|
72
|
45
|
43
|
44
|
54
|
72
|
49
|
62
|
51
|
60
|
54
|
57
|
69
|
73
|
74
|
57
|
32
|
17
|
26
|
37
|
67
|
78
|
34
|
|
2024/12
|
57
|
75
|
72
|
58
|
76
|
70
|
44
|
19
|
52
|
62
|
54
|
21
|
26
|
54
|
46
|
42
|
51
|
42
|
46
|
67
|
54
|
62
|
68
|
68
|
60
|
53
|
64
|
73
|
84
|
80
|
64
|
|
2024/11
|
31
|
36
|
45
|
41
|
34
|
45
|
33
|
37
|
43
|
36
|
41
|
44
|
41
|
28
|
28
|
25
|
30
|
21
|
19
|
16
|
18
|
29
|
31
|
43
|
33
|
13
|
27
|
33
|
34
|
43
|
|
|
2024/10
|
27
|
20
|
34
|
35
|
34
|
37
|
48
|
59
|
54
|
31
|
35
|
65
|
68
|
58
|
49
|
50
|
36
|
50
|
34
|
27
|
29
|
30
|
14
|
26
|
27
|
33
|
24
|
14
|
21
|
28
|
34
|
|
2024/09
|
21
|
31
|
24
|
33
|
24
|
13
|
19
|
22
|
24
|
28
|
39
|
49
|
34
|
29
|
21
|
23
|
27
|
26
|
39
|
41
|
21
|
14
|
15
|
15
|
25
|
26
|
34
|
41
|
36
|
36
|
|
|
2024/08
|
18
|
31
|
31
|
33
|
32
|
33
|
43
|
35
|
27
|
25
|
24
|
19
|
25
|
19
|
18
|
20
|
21
|
22
|
22
|
23
|
21
|
24
|
31
|
25
|
23
|
28
|
33
|
32
|
28
|
39
|
34
|
|
2024/07
|
24
|
23
|
20
|
24
|
22
|
20
|
25
|
17
|
22
|
17
|
19
|
20
|
16
|
25
|
24
|
22
|
17
|
20
|
28
|
23
|
22
|
21
|
21
|
23
|
27
|
33
|
26
|
14
|
12
|
17
|
15
|
|
2024/06
|
9
|
22
|
33
|
29
|
62
|
12
|
32
|
41
|
16
|
18
|
20
|
26
|
21
|
25
|
18
|
29
|
23
|
23
|
23
|
21
|
16
|
22
|
18
|
17
|
18
|
25
|
31
|
19
|
18
|
19
|
|
|
2024/05
|
17
|
30
|
37
|
42
|
30
|
71
|
19
|
36
|
52
|
59
|
35
|
38
|
36
|
58
|
57
|
54
|
59
|
61
|
41
|
11
|
11
|
27
|
49
|
28
|
32
|
24
|
33
|
24
|
33
|
61
|
24
|
|
2024/04
|
46
|
36
|
26
|
29
|
21
|
30
|
24
|
26
|
27
|
53
|
53
|
58
|
45
|
38
|
39
|
31
|
29
|
39
|
34
|
21
|
26
|
55
|
46
|
45
|
40
|
39
|
58
|
50
|
29
|
30
|
|
|
2024/03
|
27
|
41
|
57
|
60
|
41
|
35
|
42
|
45
|
47
|
21
|
24
|
34
|
69
|
67
|
73
|
100
|
132
|
62
|
18
|
67
|
66
|
64
|
51
|
36
|
40
|
41
|
63
|
46
|
48
|
46
|
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