Air Quality
Excellent
No health implications.
16
PM2.5
42
PM10
91
O3
0.2
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
81
Good
Mon
12 May
80
Good
Tue
13 May
88
Good
Wed
14 May
50
Excellent
Thu
15 May
46
Excellent
Fri
16 May
49
Excellent
Sat
17 May
18
Excellent
Air quality in the last 12 months (Duyun)
|
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
|
|
2024/06
|
18
|
16
|
6
|
7
|
7
|
9
|
7
|
9
|
6
|
7
|
7
|
14
|
11
|
15
|
22
|
11
|
7
|
6
|
12
|
15
|
16
|
11
|
7
|
15
|
9
|
6
|
6
|
7
|
7
|
8
|
|
|
2024/05
|
13
|
11
|
16
|
16
|
18
|
28
|
16
|
16
|
16
|
11
|
15
|
18
|
22
|
24
|
34
|
26
|
28
|
11
|
13
|
16
|
6
|
23
|
21
|
19
|
24
|
15
|
14
|
24
|
17
|
8
|
15
|
|
2024/04
|
36
|
44
|
37
|
10
|
12
|
10
|
10
|
16
|
24
|
27
|
24
|
27
|
44
|
50
|
60
|
56
|
29
|
18
|
20
|
17
|
37
|
41
|
20
|
24
|
23
|
20
|
20
|
28
|
52
|
12
|
|
|
2024/03
|
45
|
44
|
38
|
19
|
25
|
26
|
53
|
41
|
42
|
49
|
40
|
35
|
26
|
16
|
15
|
24
|
33
|
12
|
30
|
56
|
55
|
47
|
24
|
36
|
27
|
18
|
43
|
22
|
24
|
37
|
47
|
|
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