Air Quality
Excellent
No health implications.
11
PM2.5
18
PM10
42
O3
0.6
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
54
Good
Thu
18 Sep
54
Good
Fri
19 Sep
57
Good
Sat
20 Sep
48
Excellent
Sun
21 Sep
49
Excellent
Mon
22 Sep
28
Excellent
Tue
23 Sep
48
Excellent
Du'an Air quality rank
Air quality in the last 12 months (Du'an)
|
2025/08
|
20
|
27
|
34
|
34
|
28
|
22
|
19
|
28
|
26
|
26
|
27
|
32
|
31
|
32
|
14
|
17
|
23
|
17
|
12
|
16
|
23
|
24
|
27
|
28
|
25
|
24
|
25
|
26
|
30
|
24
|
24
|
|
2025/07
|
19
|
19
|
22
|
26
|
34
|
39
|
32
|
29
|
33
|
23
|
20
|
23
|
25
|
22
|
25
|
28
|
28
|
39
|
36
|
30
|
18
|
12
|
12
|
18
|
22
|
24
|
30
|
38
|
33
|
37
|
23
|
|
2025/06
|
32
|
23
|
19
|
33
|
46
|
35
|
28
|
27
|
23
|
23
|
30
|
28
|
21
|
24
|
28
|
21
|
21
|
23
|
21
|
20
|
21
|
22
|
25
|
26
|
24
|
27
|
20
|
21
|
22
|
19
|
|
|
2025/05
|
31
|
49
|
48
|
33
|
35
|
26
|
33
|
48
|
23
|
31
|
24
|
41
|
48
|
39
|
23
|
18
|
25
|
19
|
21
|
26
|
26
|
27
|
19
|
32
|
39
|
31
|
45
|
42
|
13
|
29
|
35
|
|
2025/04
|
39
|
55
|
65
|
53
|
71
|
92
|
96
|
85
|
81
|
74
|
56
|
47
|
144
|
140
|
101
|
92
|
82
|
67
|
53
|
46
|
42
|
44
|
26
|
30
|
27
|
34
|
43
|
30
|
48
|
43
|
|
|
2025/03
|
46
|
46
|
64
|
49
|
26
|
17
|
32
|
42
|
58
|
43
|
49
|
41
|
33
|
37
|
16
|
22
|
48
|
28
|
35
|
52
|
60
|
71
|
72
|
78
|
88
|
68
|
64
|
75
|
28
|
14
|
25
|
|
2025/02
|
35
|
15
|
17
|
48
|
82
|
30
|
14
|
42
|
56
|
69
|
117
|
86
|
35
|
77
|
39
|
36
|
43
|
26
|
30
|
23
|
14
|
19
|
12
|
27
|
50
|
25
|
39
|
56
|
|||
|
2025/01
|
120
|
112
|
87
|
110
|
81
|
98
|
116
|
89
|
54
|
32
|
48
|
71
|
89
|
106
|
89
|
74
|
82
|
101
|
95
|
103
|
105
|
107
|
132
|
95
|
44
|
12
|
38
|
49
|
129
|
85
|
59
|
|
2024/12
|
81
|
91
|
87
|
86
|
68
|
35
|
16
|
28
|
55
|
74
|
32
|
30
|
40
|
51
|
44
|
57
|
88
|
74
|
66
|
84
|
96
|
93
|
95
|
95
|
100
|
89
|
80
|
58
|
90
|
129
|
108
|
|
2024/11
|
45
|
45
|
57
|
65
|
58
|
59
|
61
|
55
|
56
|
56
|
61
|
64
|
69
|
71
|
63
|
60
|
58
|
33
|
23
|
22
|
25
|
25
|
37
|
52
|
64
|
19
|
31
|
34
|
43
|
58
|
|
|
2024/10
|
17
|
22
|
37
|
51
|
55
|
54
|
54
|
48
|
39
|
44
|
50
|
57
|
66
|
39
|
18
|
33
|
34
|
29
|
28
|
24
|
40
|
40
|
25
|
34
|
33
|
35
|
30
|
29
|
37
|
46
|
50
|
|
2024/09
|
28
|
35
|
28
|
28
|
39
|
37
|
19
|
19
|
21
|
22
|
24
|
32
|
41
|
43
|
43
|
30
|
24
|
31
|
33
|
36
|
30
|
24
|
29
|
37
|
49
|
53
|
50
|
52
|
37
|
37
|
|
|
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