Air Quality
Excellent
No health implications.
4
PM2.5
17
PM10
42
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
47
Excellent
Mon
24 Feb
52
Good
Tue
25 Feb
55
Good
Wed
26 Feb
57
Good
Thu
27 Feb
60
Good
Fri
28 Feb
39
Excellent
Sat
1 Mar
38
Excellent
Air quality in the last 12 months (Wan'an)
|
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
|
|
2024/11
|
32
|
44
|
46
|
55
|
64
|
50
|
45
|
44
|
47
|
52
|
43
|
46
|
50
|
50
|
30
|
26
|
36
|
23
|
33
|
42
|
46
|
39
|
46
|
59
|
53
|
27
|
38
|
34
|
38
|
44
|
|
|
2024/10
|
41
|
39
|
39
|
33
|
37
|
43
|
52
|
40
|
35
|
40
|
51
|
54
|
62
|
76
|
86
|
38
|
38
|
42
|
26
|
27
|
33
|
40
|
36
|
38
|
53
|
53
|
27
|
21
|
46
|
55
|
43
|
|
2024/09
|
40
|
44
|
41
|
36
|
36
|
25
|
20
|
22
|
20
|
29
|
35
|
36
|
40
|
42
|
33
|
31
|
35
|
40
|
36
|
22
|
29
|
36
|
35
|
38
|
32
|
29
|
42
|
40
|
31
|
33
|
|
|
2024/08
|
19
|
24
|
32
|
39
|
26
|
31
|
28
|
32
|
33
|
38
|
34
|
24
|
21
|
22
|
29
|
27
|
18
|
21
|
21
|
26
|
23
|
20
|
27
|
31
|
29
|
27
|
36
|
28
|
26
|
36
|
43
|
|
2024/07
|
21
|
18
|
21
|
17
|
18
|
20
|
16
|
18
|
25
|
26
|
26
|
24
|
21
|
19
|
21
|
18
|
14
|
15
|
17
|
17
|
17
|
21
|
26
|
35
|
35
|
24
|
15
|
13
|
16
|
18
|
15
|
|
2024/06
|
15
|
16
|
25
|
17
|
15
|
25
|
29
|
33
|
28
|
23
|
21
|
20
|
22
|
20
|
16
|
14
|
16
|
25
|
24
|
22
|
23
|
27
|
28
|
19
|
17
|
24
|
25
|
23
|
17
|
20
|
|
|
2024/05
|
16
|
30
|
32
|
28
|
19
|
27
|
43
|
47
|
48
|
51
|
34
|
33
|
69
|
50
|
49
|
54
|
50
|
50
|
35
|
21
|
17
|
19
|
22
|
23
|
18
|
22
|
20
|
26
|
33
|
35
|
17
|
|
2024/04
|
31
|
49
|
31
|
22
|
21
|
20
|
31
|
29
|
37
|
37
|
43
|
52
|
53
|
55
|
54
|
51
|
28
|
32
|
22
|
22
|
22
|
25
|
29
|
41
|
30
|
28
|
35
|
28
|
32
|
21
|
|
|
2024/03
|
42
|
45
|
39
|
41
|
36
|
42
|
51
|
53
|
49
|
52
|
38
|
46
|
56
|
44
|
34
|
36
|
46
|
24
|
36
|
63
|
65
|
51
|
43
|
42
|
36
|
25
|
43
|
30
|
37
|
42
|
29
|
|
2024/02
|
45
|
24
|
20
|
20
|
30
|
25
|
21
|
53
|
77
|
120
|
76
|
63
|
48
|
51
|
40
|
24
|
30
|
30
|
34
|
38
|
31
|
16
|
20
|
30
|
33
|
37
|
50
|
40
|
23
|
||
|
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