Air Quality
Excellent
No health implications.
21
PM2.5
34
PM10
23
O3
0.9
CO
3
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jan
75
Good
Wed
28 Jan
77
Good
Thu
29 Jan
65
Good
Fri
30 Jan
42
Excellent
Sat
31 Jan
36
Excellent
Sun
1 Feb
45
Excellent
Mon
2 Feb
22
Excellent
Du'an Air quality rank
Air quality in the last 12 months (Du'an)
|
2025/12
|
76
|
72
|
64
|
72
|
65
|
63
|
76
|
53
|
64
|
87
|
107
|
89
|
28
|
42
|
53
|
63
|
60
|
55
|
64
|
60
|
50
|
60
|
70
|
15
|
28
|
53
|
59
|
63
|
75
|
79
|
70
|
|
2025/11
|
22
|
26
|
13
|
9
|
19
|
34
|
42
|
29
|
13
|
13
|
12
|
21
|
37
|
39
|
44
|
45
|
51
|
19
|
18
|
28
|
30
|
40
|
48
|
51
|
43
|
49
|
47
|
55
|
59
|
66
|
|
|
2025/10
|
27
|
28
|
26
|
26
|
29
|
13
|
17
|
28
|
33
|
39
|
38
|
38
|
32
|
22
|
21
|
27
|
38
|
46
|
21
|
12
|
12
|
11
|
20
|
35
|
40
|
29
|
30
|
33
|
47
|
54
|
28
|
|
2025/09
|
25
|
23
|
21
|
22
|
24
|
25
|
33
|
33
|
17
|
20
|
19
|
17
|
22
|
27
|
24
|
25
|
19
|
24
|
32
|
39
|
25
|
20
|
20
|
15
|
10
|
16
|
25
|
27
|
24
|
29
|
|
|
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
|
|
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