Air Quality
Excellent
No health implications.
4
PM2.5
15
PM10
58
O3
0.5
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
44
Excellent
Wed
24 Apr
49
Excellent
Thu
25 Apr
41
Excellent
Fri
26 Apr
50
Excellent
Sat
27 Apr
51
Good
Sun
28 Apr
42
Excellent
Mon
29 Apr
44
Excellent
Air quality in the last 12 months (Duyun)
|
2024/02
|
24
|
14
|
11
|
21
|
17
|
17
|
27
|
37
|
55
|
141
|
34
|
30
|
37
|
39
|
51
|
31
|
38
|
32
|
37
|
44
|
37
|
18
|
21
|
17
|
16
|
25
|
37
|
29
|
34
|
||
|
2024/01
|
23
|
21
|
25
|
26
|
36
|
52
|
25
|
19
|
32
|
37
|
31
|
46
|
16
|
18
|
25
|
25
|
22
|
21
|
13
|
12
|
15
|
22
|
32
|
34
|
41
|
36
|
39
|
33
|
34
|
12
|
13
|
|
2023/12
|
62
|
32
|
26
|
19
|
27
|
37
|
34
|
27
|
36
|
32
|
31
|
21
|
15
|
22
|
19
|
29
|
19
|
18
|
23
|
31
|
46
|
53
|
54
|
51
|
50
|
38
|
52
|
61
|
72
|
52
|
62
|
|
2023/11
|
28
|
29
|
47
|
54
|
25
|
24
|
20
|
18
|
20
|
14
|
14
|
18
|
21
|
23
|
14
|
21
|
33
|
37
|
39
|
36
|
33
|
50
|
73
|
64
|
53
|
44
|
34
|
35
|
42
|
50
|
|
|
2023/10
|
22
|
23
|
23
|
24
|
16
|
18
|
18
|
22
|
24
|
27
|
31
|
31
|
22
|
14
|
21
|
26
|
31
|
32
|
28
|
22
|
29
|
28
|
32
|
24
|
25
|
29
|
18
|
24
|
22
|
27
|
26
|
|
2023/09
|
31
|
32
|
31
|
22
|
25
|
28
|
25
|
22
|
19
|
18
|
20
|
20
|
25
|
30
|
29
|
24
|
18
|
20
|
18
|
17
|
17
|
19
|
26
|
30
|
26
|
23
|
20
|
24
|
28
|
22
|
|
|
2023/08
|
18
|
16
|
15
|
15
|
22
|
17
|
16
|
14
|
20
|
19
|
21
|
20
|
18
|
18
|
21
|
19
|
19
|
20
|
30
|
27
|
21
|
16
|
22
|
20
|
18
|
14
|
17
|
21
|
25
|
29
|
29
|
|
2023/07
|
20
|
21
|
21
|
17
|
17
|
18
|
19
|
19
|
18
|
20
|
22
|
25
|
23
|
22
|
35
|
42
|
37
|
31
|
18
|
21
|
15
|
15
|
17
|
23
|
24
|
25
|
27
|
22
|
20
|
17
|
19
|
|
2023/06
|
30
|
26
|
37
|
30
|
17
|
22
|
27
|
29
|
33
|
35
|
35
|
34
|
30
|
28
|
28
|
26
|
21
|
23
|
19
|
17
|
15
|
16
|
18
|
20
|
23
|
21
|
16
|
15
|
18
|
20
|
|
|
2023/05
|
49
|
45
|
30
|
31
|
34
|
27
|
18
|
23
|
13
|
15
|
22
|
22
|
34
|
48
|
44
|
30
|
40
|
49
|
48
|
28
|
49
|
23
|
27
|
23
|
24
|
27
|
27
|
23
|
23
|
26
|
32
|
|
2023/04
|
34
|
43
|
60
|
50
|
23
|
19
|
23
|
59
|
59
|
23
|
24
|
47
|
55
|
24
|
49
|
41
|
43
|
43
|
33
|
24
|
39
|
73
|
13
|
17
|
19
|
26
|
33
|
29
|
66
|
65
|
|
|
2023/03
|
66
|
65
|
46
|
31
|
38
|
51
|
57
|
39
|
36
|
37
|
60
|
65
|
47
|
48
|
59
|
26
|
25
|
13
|
15
|
19
|
23
|
29
|
19
|
20
|
21
|
26
|
34
|
31
|
34
|
29
|
31
|
|
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