Air Quality
Excellent
No health implications.
18
PM2.5
32
PM10
15
O3
1.2
CO
4
SO2
69
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
53
Good
Tue
29 Apr
82
Good
Wed
30 Apr
81
Good
Thu
1 May
74
Good
Fri
2 May
81
Good
Sat
3 May
84
Good
Sun
4 May
45
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