Air Quality
Excellent
No health implications.
16
PM2.5
25
PM10
23
O3
0.6
CO
12
SO2
38
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
83
Good
Sun
20 Jul
47
Excellent
Mon
21 Jul
46
Excellent
Tue
22 Jul
51
Good
Wed
23 Jul
50
Excellent
Thu
24 Jul
50
Excellent
Fri
25 Jul
44
Excellent
Air quality in the last 12 months (Duanzhou)
|
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
|
|
|
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
|
|
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