Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
25
O3
0.6
CO
7
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
48
Excellent
Fri
12 Sep
48
Excellent
Sat
13 Sep
59
Good
Sun
14 Sep
51
Good
Mon
15 Sep
53
Good
Tue
16 Sep
37
Excellent
Wed
17 Sep
17
Excellent
De'an Air quality rank
Air quality in the last 12 months (De'an)
|
2025/08
|
27
|
31
|
30
|
30
|
19
|
12
|
12
|
15
|
21
|
26
|
29
|
27
|
29
|
19
|
13
|
20
|
23
|
23
|
15
|
12
|
16
|
17
|
19
|
23
|
24
|
19
|
16
|
19
|
24
|
28
|
15
|
|
2025/07
|
16
|
23
|
24
|
28
|
28
|
30
|
36
|
31
|
18
|
18
|
27
|
17
|
17
|
23
|
27
|
27
|
22
|
26
|
31
|
11
|
10
|
10
|
13
|
17
|
19
|
22
|
16
|
20
|
17
|
22
|
15
|
|
2025/06
|
15
|
12
|
25
|
31
|
28
|
29
|
24
|
20
|
19
|
26
|
19
|
25
|
29
|
24
|
12
|
35
|
20
|
11
|
14
|
13
|
14
|
9
|
10
|
17
|
30
|
30
|
20
|
13
|
12
|
18
|
|
|
2025/05
|
40
|
48
|
60
|
57
|
27
|
69
|
127
|
30
|
29
|
47
|
39
|
49
|
42
|
43
|
61
|
28
|
32
|
79
|
35
|
23
|
16
|
20
|
24
|
53
|
55
|
52
|
55
|
29
|
25
|
20
|
15
|
|
2025/04
|
57
|
51
|
59
|
57
|
66
|
62
|
61
|
59
|
61
|
51
|
41
|
225
|
132
|
116
|
49
|
54
|
66
|
66
|
61
|
57
|
28
|
25
|
51
|
34
|
38
|
30
|
29
|
46
|
53
|
51
|
|
|
2025/03
|
36
|
33
|
20
|
27
|
44
|
61
|
69
|
66
|
66
|
58
|
50
|
47
|
46
|
46
|
18
|
47
|
32
|
40
|
43
|
41
|
40
|
50
|
56
|
64
|
57
|
73
|
66
|
62
|
61
|
68
|
57
|
|
2025/02
|
44
|
28
|
58
|
49
|
45
|
42
|
73
|
44
|
33
|
49
|
61
|
86
|
83
|
57
|
50
|
47
|
53
|
48
|
43
|
46
|
41
|
35
|
79
|
98
|
88
|
76
|
66
|
40
|
|||
|
2025/01
|
77
|
84
|
160
|
120
|
100
|
72
|
67
|
65
|
54
|
38
|
54
|
63
|
60
|
59
|
81
|
49
|
57
|
57
|
64
|
87
|
71
|
64
|
136
|
114
|
40
|
32
|
52
|
60
|
83
|
55
|
48
|
|
2024/12
|
47
|
51
|
100
|
111
|
54
|
61
|
73
|
86
|
59
|
71
|
47
|
111
|
93
|
60
|
51
|
52
|
60
|
98
|
44
|
62
|
96
|
59
|
74
|
88
|
95
|
109
|
123
|
87
|
58
|
79
|
88
|
|
2024/11
|
40
|
52
|
48
|
77
|
55
|
48
|
42
|
46
|
48
|
50
|
44
|
50
|
55
|
45
|
36
|
53
|
30
|
21
|
33
|
43
|
42
|
49
|
79
|
56
|
42
|
34
|
39
|
49
|
48
|
45
|
|
|
2024/10
|
26
|
52
|
35
|
30
|
35
|
32
|
17
|
33
|
50
|
59
|
55
|
61
|
85
|
80
|
58
|
34
|
29
|
38
|
30
|
28
|
45
|
32
|
46
|
39
|
49
|
36
|
16
|
62
|
91
|
57
|
44
|
|
2024/09
|
36
|
44
|
45
|
47
|
42
|
34
|
34
|
42
|
41
|
32
|
27
|
11
|
26
|
37
|
31
|
24
|
30
|
33
|
31
|
25
|
31
|
37
|
29
|
33
|
45
|
49
|
53
|
23
|
34
|
42
|
|
|
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