Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
28
O3
0.2
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Aug
20
Excellent
Sun
24 Aug
31
Excellent
Mon
25 Aug
39
Excellent
Tue
26 Aug
44
Excellent
Wed
27 Aug
44
Excellent
Thu
28 Aug
41
Excellent
Fri
29 Aug
19
Excellent
Duyun Air quality rank
Air quality in the last 12 months (Duyun)
|
2025/06
|
17
|
10
|
14
|
22
|
24
|
23
|
23
|
31
|
35
|
18
|
16
|
21
|
12
|
9
|
17
|
17
|
9
|
11
|
11
|
6
|
8
|
14
|
8
|
10
|
12
|
10
|
11
|
7
|
9
|
8
|
|
|
2025/05
|
32
|
40
|
28
|
12
|
20
|
22
|
18
|
22
|
21
|
14
|
27
|
23
|
24
|
38
|
36
|
28
|
42
|
36
|
39
|
13
|
18
|
17
|
25
|
49
|
25
|
11
|
7
|
6
|
14
|
15
|
10
|
|
2025/04
|
26
|
42
|
55
|
55
|
50
|
50
|
70
|
52
|
60
|
45
|
48
|
78
|
165
|
78
|
59
|
65
|
59
|
56
|
24
|
21
|
33
|
17
|
45
|
16
|
29
|
29
|
14
|
24
|
30
|
9
|
|
|
2025/03
|
25
|
24
|
51
|
21
|
10
|
19
|
20
|
25
|
13
|
13
|
18
|
34
|
17
|
12
|
9
|
22
|
31
|
21
|
26
|
33
|
43
|
51
|
60
|
46
|
49
|
59
|
63
|
76
|
15
|
12
|
29
|
|
2025/02
|
9
|
9
|
26
|
34
|
35
|
13
|
18
|
51
|
55
|
40
|
21
|
20
|
45
|
13
|
17
|
26
|
18
|
16
|
9
|
9
|
13
|
10
|
13
|
19
|
14
|
29
|
18
|
17
|
|||
|
2025/01
|
72
|
83
|
62
|
79
|
72
|
68
|
76
|
37
|
19
|
36
|
44
|
36
|
35
|
59
|
63
|
66
|
52
|
54
|
66
|
57
|
68
|
76
|
88
|
63
|
15
|
11
|
34
|
43
|
90
|
40
|
29
|
|
2024/12
|
41
|
58
|
59
|
46
|
10
|
10
|
11
|
37
|
14
|
7
|
10
|
39
|
46
|
40
|
43
|
45
|
56
|
45
|
65
|
84
|
80
|
86
|
92
|
82
|
79
|
68
|
56
|
56
|
62
|
60
|
38
|
|
2024/11
|
36
|
40
|
44
|
52
|
54
|
52
|
41
|
37
|
43
|
33
|
32
|
29
|
38
|
42
|
41
|
49
|
34
|
8
|
8
|
8
|
9
|
15
|
20
|
22
|
13
|
14
|
25
|
22
|
22
|
30
|
|
|
2024/10
|
7
|
13
|
34
|
29
|
34
|
50
|
40
|
24
|
25
|
30
|
45
|
48
|
37
|
11
|
18
|
19
|
11
|
16
|
13
|
9
|
17
|
11
|
16
|
15
|
15
|
23
|
22
|
28
|
26
|
29
|
35
|
|
2024/09
|
12
|
9
|
7
|
10
|
24
|
30
|
17
|
11
|
10
|
14
|
17
|
23
|
23
|
23
|
16
|
19
|
18
|
20
|
19
|
21
|
18
|
14
|
23
|
27
|
29
|
34
|
35
|
34
|
15
|
12
|
|
|
2024/08
|
6
|
6
|
6
|
9
|
10
|
11
|
13
|
13
|
15
|
14
|
12
|
37
|
35
|
26
|
25
|
23
|
21
|
20
|
17
|
15
|
13
|
8
|
7
|
8
|
7
|
10
|
10
|
15
|
28
|
20
|
14
|
|
2024/07
|
9
|
12
|
7
|
7
|
6
|
7
|
7
|
8
|
11
|
11
|
8
|
8
|
11
|
7
|
7
|
8
|
7
|
7
|
6
|
6
|
7
|
9
|
7
|
8
|
11
|
20
|
15
|
11
|
7
|
7
|
6
|
|
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