Air Quality
Excellent
No health implications.
15
PM2.5
40
PM10
52
O3
0.7
CO
11
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Apr
45
Excellent
Thu
3 Apr
55
Good
Fri
4 Apr
60
Good
Sat
5 Apr
55
Good
Sun
6 Apr
55
Good
Mon
7 Apr
51
Good
Tue
8 Apr
44
Excellent
Air quality in the last 12 months (Wan'an)
|
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
|
|
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
|
|
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