Air Quality
Excellent
No health implications.
5
PM2.5
7
PM10
45
O3
0.6
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
37
Excellent
Sat
15 Mar
37
Excellent
Sun
16 Mar
44
Excellent
Mon
17 Mar
48
Excellent
Tue
18 Mar
45
Excellent
Wed
19 Mar
17
Excellent
Thu
20 Mar
17
Excellent
Air quality in the last 12 months (Duyun)
|
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
|
|
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
|
||
|
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