Air Quality
Excellent
No health implications.
10
PM2.5
21
PM10
59
O3
0.5
CO
2
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
40
Excellent
Mon
21 Jul
35
Excellent
Tue
22 Jul
34
Excellent
Wed
23 Jul
30
Excellent
Thu
24 Jul
30
Excellent
Fri
25 Jul
30
Excellent
Sat
26 Jul
27
Excellent
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