Air Quality
Excellent
No health implications.
26
PM2.5
50
PM10
43
O3
0.7
CO
7
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
40
Excellent
Fri
3 May
45
Excellent
Sat
4 May
47
Excellent
Sun
5 May
44
Excellent
Mon
6 May
66
Good
Tue
7 May
67
Good
Wed
8 May
66
Good
Air quality in the last 12 months (Duanzhou)
|
2024/02
|
77
|
26
|
30
|
33
|
20
|
20
|
10
|
14
|
24
|
47
|
51
|
56
|
51
|
44
|
43
|
31
|
41
|
27
|
28
|
22
|
34
|
31
|
20
|
17
|
14
|
21
|
16
|
26
|
25
|
||
|
2024/01
|
89
|
73
|
34
|
42
|
74
|
107
|
80
|
67
|
67
|
26
|
41
|
56
|
90
|
108
|
86
|
67
|
69
|
50
|
57
|
41
|
19
|
18
|
23
|
36
|
46
|
38
|
28
|
30
|
53
|
87
|
104
|
|
2023/12
|
38
|
51
|
56
|
53
|
31
|
28
|
36
|
66
|
105
|
67
|
51
|
42
|
50
|
100
|
98
|
19
|
24
|
38
|
12
|
24
|
22
|
51
|
48
|
39
|
42
|
53
|
56
|
63
|
60
|
52
|
52
|
|
2023/11
|
54
|
77
|
72
|
65
|
49
|
44
|
36
|
79
|
93
|
68
|
32
|
20
|
15
|
20
|
32
|
30
|
39
|
48
|
55
|
58
|
74
|
91
|
94
|
68
|
95
|
96
|
69
|
58
|
76
|
41
|
|
|
2023/10
|
36
|
37
|
44
|
45
|
31
|
28
|
28
|
17
|
16
|
14
|
19
|
33
|
32
|
42
|
50
|
48
|
57
|
56
|
55
|
31
|
19
|
23
|
32
|
50
|
71
|
78
|
77
|
59
|
59
|
37
|
42
|
|
2023/09
|
25
|
19
|
28
|
28
|
29
|
28
|
15
|
20
|
27
|
14
|
21
|
34
|
28
|
17
|
14
|
34
|
30
|
29
|
31
|
30
|
36
|
53
|
73
|
44
|
43
|
53
|
63
|
50
|
42
|
45
|
|
|
2023/08
|
33
|
44
|
57
|
21
|
22
|
24
|
39
|
27
|
30
|
29
|
34
|
33
|
28
|
34
|
27
|
47
|
41
|
40
|
38
|
32
|
28
|
32
|
26
|
42
|
26
|
33
|
26
|
31
|
21
|
22
|
24
|
|
2023/07
|
24
|
25
|
18
|
24
|
24
|
17
|
17
|
23
|
20
|
22
|
21
|
23
|
23
|
34
|
43
|
30
|
17
|
24
|
30
|
20
|
28
|
26
|
27
|
25
|
29
|
42
|
28
|
24
|
33
|
25
|
30
|
|
2023/06
|
41
|
51
|
37
|
32
|
26
|
33
|
28
|
24
|
33
|
32
|
40
|
67
|
51
|
34
|
42
|
40
|
17
|
21
|
25
|
27
|
23
|
25
|
21
|
26
|
25
|
26
|
35
|
24
|
28
|
25
|
|
|
2023/05
|
61
|
44
|
38
|
24
|
23
|
26
|
27
|
27
|
57
|
54
|
53
|
19
|
36
|
50
|
66
|
39
|
29
|
44
|
54
|
41
|
34
|
37
|
35
|
40
|
49
|
27
|
26
|
41
|
49
|
49
|
47
|
|
2023/04
|
31
|
41
|
41
|
27
|
35
|
41
|
26
|
63
|
71
|
74
|
101
|
64
|
51
|
57
|
37
|
43
|
62
|
46
|
36
|
87
|
39
|
47
|
36
|
36
|
13
|
28
|
63
|
44
|
29
|
37
|
|
|
2023/03
|
86
|
75
|
88
|
86
|
95
|
73
|
56
|
48
|
58
|
74
|
59
|
50
|
89
|
92
|
59
|
67
|
51
|
69
|
43
|
41
|
35
|
42
|
39
|
28
|
49
|
11
|
13
|
24
|
14
|
17
|
19
|
|
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