Air Quality
Excellent
No health implications.
31
PM2.5
44
PM10
75
O3
0.7
CO
11
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
58
Good
Tue
28 Oct
52
Good
Wed
29 Oct
67
Good
Thu
30 Oct
68
Good
Fri
31 Oct
72
Good
Sat
1 Nov
52
Good
Sun
2 Nov
32
Excellent
Air quality in the last 12 months (Duanzhou)
|
2025/08
|
17
|
25
|
28
|
43
|
28
|
16
|
31
|
40
|
28
|
27
|
24
|
26
|
29
|
32
|
12
|
32
|
26
|
11
|
24
|
21
|
23
|
26
|
43
|
24
|
24
|
37
|
32
|
31
|
34
|
25
|
26
|
|
2025/07
|
17
|
23
|
34
|
37
|
51
|
38
|
38
|
21
|
26
|
31
|
15
|
37
|
24
|
34
|
31
|
32
|
35
|
40
|
26
|
14
|
15
|
13
|
18
|
18
|
29
|
30
|
36
|
39
|
31
|
26
|
30
|
|
2025/06
|
31
|
31
|
17
|
33
|
33
|
27
|
22
|
18
|
33
|
45
|
23
|
18
|
16
|
17
|
15
|
26
|
14
|
15
|
15
|
19
|
17
|
21
|
17
|
21
|
22
|
27
|
18
|
18
|
25
|
18
|
|
|
2025/05
|
36
|
43
|
31
|
25
|
39
|
36
|
20
|
20
|
20
|
33
|
29
|
44
|
45
|
34
|
26
|
20
|
27
|
22
|
36
|
20
|
27
|
27
|
23
|
18
|
34
|
42
|
66
|
62
|
53
|
28
|
40
|
|
2025/04
|
22
|
42
|
73
|
54
|
78
|
72
|
76
|
70
|
56
|
45
|
36
|
60
|
205
|
151
|
97
|
98
|
73
|
66
|
36
|
31
|
27
|
30
|
37
|
28
|
22
|
51
|
55
|
35
|
38
|
50
|
|
|
2025/03
|
34
|
29
|
53
|
43
|
15
|
8
|
14
|
25
|
55
|
74
|
32
|
36
|
29
|
26
|
25
|
11
|
43
|
35
|
34
|
46
|
67
|
66
|
59
|
66
|
64
|
49
|
32
|
44
|
10
|
8
|
7
|
|
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
|
|
|
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