Air Quality
Excellent
No health implications.
30
PM2.5
50
PM10
43
O3
1.0
CO
13
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
58
Good
Wed
17 Dec
70
Good
Thu
18 Dec
86
Good
Fri
19 Dec
90
Good
Sat
20 Dec
73
Good
Sun
21 Dec
69
Good
Mon
22 Dec
32
Excellent
Air quality in the last 12 months (Wan'an)
|
2025/11
|
40
|
43
|
33
|
26
|
25
|
29
|
41
|
22
|
15
|
16
|
49
|
41
|
34
|
40
|
42
|
48
|
57
|
30
|
29
|
32
|
37
|
50
|
57
|
55
|
57
|
62
|
58
|
62
|
55
|
49
|
|
|
2025/10
|
44
|
33
|
27
|
36
|
25
|
21
|
34
|
31
|
35
|
38
|
40
|
41
|
43
|
41
|
44
|
41
|
46
|
48
|
28
|
17
|
26
|
27
|
38
|
41
|
47
|
66
|
65
|
58
|
62
|
66
|
46
|
|
2025/09
|
22
|
22
|
23
|
25
|
22
|
25
|
33
|
16
|
13
|
15
|
15
|
22
|
21
|
28
|
25
|
21
|
24
|
28
|
23
|
20
|
26
|
34
|
37
|
28
|
22
|
26
|
31
|
35
|
36
|
42
|
|
|
2025/08
|
29
|
25
|
19
|
18
|
17
|
13
|
16
|
18
|
27
|
35
|
30
|
31
|
27
|
20
|
14
|
24
|
22
|
21
|
14
|
17
|
20
|
23
|
25
|
18
|
18
|
23
|
24
|
18
|
23
|
20
|
26
|
|
2025/07
|
17
|
19
|
26
|
32
|
32
|
30
|
38
|
36
|
27
|
19
|
21
|
15
|
21
|
24
|
25
|
27
|
33
|
32
|
26
|
16
|
15
|
14
|
20
|
22
|
25
|
31
|
22
|
23
|
28
|
26
|
24
|
|
2025/06
|
16
|
17
|
20
|
27
|
28
|
23
|
28
|
22
|
21
|
26
|
23
|
21
|
28
|
13
|
14
|
18
|
12
|
13
|
14
|
14
|
14
|
15
|
19
|
23
|
35
|
20
|
13
|
16
|
14
|
14
|
|
|
2025/05
|
44
|
48
|
52
|
38
|
22
|
27
|
51
|
29
|
22
|
40
|
34
|
34
|
33
|
31
|
27
|
19
|
21
|
14
|
14
|
17
|
20
|
22
|
20
|
41
|
49
|
44
|
44
|
20
|
15
|
20
|
19
|
|
2025/04
|
40
|
39
|
42
|
53
|
58
|
56
|
54
|
53
|
51
|
47
|
41
|
107
|
171
|
118
|
72
|
60
|
67
|
58
|
22
|
19
|
30
|
26
|
24
|
27
|
24
|
18
|
16
|
31
|
49
|
47
|
|
|
2025/03
|
27
|
23
|
29
|
15
|
20
|
27
|
40
|
33
|
36
|
31
|
33
|
39
|
32
|
17
|
15
|
32
|
48
|
36
|
36
|
36
|
38
|
44
|
50
|
56
|
59
|
58
|
51
|
73
|
42
|
17
|
33
|
|
2025/02
|
24
|
15
|
28
|
42
|
40
|
46
|
44
|
60
|
32
|
39
|
47
|
52
|
60
|
63
|
56
|
35
|
44
|
42
|
38
|
18
|
22
|
17
|
23
|
35
|
48
|
55
|
40
|
37
|
|||
|
2025/01
|
95
|
73
|
78
|
94
|
107
|
99
|
70
|
66
|
60
|
39
|
38
|
51
|
56
|
52
|
65
|
55
|
48
|
51
|
55
|
55
|
57
|
55
|
54
|
69
|
49
|
17
|
44
|
54
|
71
|
57
|
46
|
|
2024/12
|
43
|
49
|
51
|
74
|
77
|
48
|
49
|
66
|
71
|
69
|
44
|
48
|
72
|
63
|
51
|
46
|
50
|
60
|
69
|
68
|
73
|
86
|
82
|
78
|
90
|
85
|
99
|
94
|
71
|
70
|
78
|
|
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