Air Quality
Excellent
No health implications.
16
PM2.5
26
PM10
19
O3
0.7
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Mar
39
Excellent
Fri
31 Mar
36
Excellent
Sat
1 Apr
35
Excellent
Sun
2 Apr
31
Excellent
Mon
3 Apr
34
Excellent
Tue
4 Apr
32
Excellent
Wed
5 Apr
33
Excellent
Air quality in the last 12 months (Duyun)
|
2023/02
|
97
|
37
|
39
|
18
|
16
|
16
|
23
|
11
|
16
|
13
|
26
|
23
|
18
|
26
|
42
|
50
|
64
|
33
|
30
|
58
|
55
|
24
|
15
|
26
|
36
|
51
|
51
|
57
|
|||
|
2023/01
|
39
|
19
|
36
|
62
|
59
|
45
|
44
|
43
|
48
|
56
|
51
|
24
|
27
|
47
|
18
|
39
|
50
|
28
|
45
|
59
|
57
|
73
|
43
|
70
|
64
|
75
|
59
|
57
|
61
|
76
|
90
|
|
2022/12
|
17
|
21
|
19
|
17
|
31
|
53
|
45
|
44
|
44
|
37
|
56
|
84
|
75
|
55
|
55
|
60
|
55
|
48
|
50
|
60
|
51
|
62
|
66
|
63
|
49
|
73
|
66
|
22
|
31
|
30
|
38
|
|
2022/11
|
26
|
31
|
34
|
38
|
56
|
59
|
54
|
47
|
38
|
35
|
30
|
30
|
52
|
25
|
24
|
27
|
34
|
17
|
17
|
19
|
15
|
19
|
17
|
20
|
32
|
32
|
16
|
18
|
15
|
20
|
|
|
2022/10
|
20
|
19
|
18
|
16
|
18
|
26
|
16
|
17
|
18
|
23
|
27
|
28
|
37
|
43
|
45
|
43
|
45
|
44
|
38
|
31
|
27
|
41
|
40
|
46
|
50
|
55
|
43
|
18
|
13
|
15
|
20
|
|
2022/09
|
27
|
29
|
31
|
25
|
30
|
33
|
41
|
42
|
53
|
59
|
50
|
41
|
27
|
22
|
36
|
39
|
35
|
29
|
26
|
45
|
40
|
45
|
22
|
35
|
48
|
52
|
42
|
25
|
38
|
47
|
|
|
2022/08
|
27
|
24
|
23
|
27
|
24
|
16
|
18
|
16
|
20
|
20
|
19
|
20
|
21
|
18
|
19
|
20
|
21
|
21
|
22
|
20
|
16
|
20
|
20
|
19
|
23
|
18
|
18
|
18
|
18
|
24
|
21
|
|
2022/07
|
17
|
16
|
17
|
18
|
19
|
24
|
27
|
20
|
17
|
17
|
15
|
16
|
17
|
18
|
20
|
18
|
21
|
22
|
16
|
15
|
15
|
14
|
16
|
16
|
19
|
21
|
24
|
16
|
20
|
21
|
22
|
|
2022/06
|
15
|
19
|
20
|
16
|
19
|
30
|
26
|
31
|
38
|
22
|
23
|
15
|
16
|
24
|
32
|
25
|
15
|
12
|
19
|
20
|
20
|
18
|
18
|
18
|
20
|
21
|
19
|
18
|
24
|
16
|
|
|
2022/05
|
24
|
24
|
29
|
34
|
36
|
44
|
42
|
37
|
16
|
17
|
14
|
17
|
17
|
14
|
23
|
23
|
29
|
44
|
23
|
21
|
31
|
21
|
17
|
16
|
17
|
14
|
15
|
17
|
19
|
17
|
18
|
|
2022/04
|
23
|
24
|
29
|
36
|
35
|
28
|
39
|
42
|
53
|
59
|
56
|
45
|
26
|
21
|
17
|
21
|
23
|
19
|
30
|
31
|
26
|
33
|
33
|
35
|
24
|
27
|
24
|
37
|
20
|
18
|
|
|
2022/03
|
70
|
57
|
56
|
70
|
60
|
31
|
45
|
50
|
54
|
54
|
31
|
29
|
21
|
28
|
32
|
40
|
24
|
22
|
46
|
47
|
28
|
15
|
19
|
17
|
23
|
24
|
33
|
37
|
36
|
11
|
18
|
|
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