Air Quality
Excellent
No health implications.
21
PM2.5
31
PM10
40
O3
0.6
CO
7
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
45
Excellent
Fri
26 Apr
55
Good
Sat
27 Apr
56
Good
Sun
28 Apr
41
Excellent
Mon
29 Apr
38
Excellent
Tue
30 Apr
35
Excellent
Wed
1 May
32
Excellent
Air quality in the last 12 months (Wan'an)
|
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
|
||
|
2024/01
|
88
|
94
|
61
|
56
|
62
|
57
|
61
|
71
|
52
|
62
|
58
|
62
|
60
|
60
|
102
|
137
|
98
|
75
|
41
|
18
|
37
|
33
|
45
|
49
|
50
|
55
|
59
|
61
|
58
|
40
|
58
|
|
2023/12
|
57
|
46
|
41
|
33
|
38
|
41
|
53
|
62
|
64
|
56
|
45
|
25
|
39
|
42
|
27
|
30
|
42
|
32
|
32
|
46
|
57
|
56
|
52
|
57
|
59
|
65
|
67
|
71
|
86
|
99
|
100
|
|
2023/11
|
53
|
51
|
55
|
64
|
63
|
35
|
36
|
40
|
47
|
26
|
17
|
23
|
42
|
52
|
54
|
41
|
69
|
64
|
63
|
61
|
56
|
58
|
60
|
66
|
69
|
65
|
62
|
61
|
68
|
73
|
|
|
2023/10
|
43
|
44
|
48
|
48
|
39
|
45
|
26
|
20
|
20
|
23
|
40
|
42
|
55
|
66
|
64
|
59
|
63
|
68
|
48
|
20
|
39
|
43
|
46
|
52
|
61
|
56
|
45
|
59
|
51
|
53
|
55
|
|
2023/09
|
32
|
34
|
41
|
35
|
37
|
23
|
23
|
26
|
30
|
26
|
20
|
21
|
20
|
18
|
18
|
23
|
29
|
31
|
30
|
37
|
33
|
33
|
33
|
41
|
43
|
45
|
46
|
46
|
44
|
56
|
|
|
2023/08
|
21
|
30
|
36
|
44
|
39
|
32
|
37
|
33
|
27
|
33
|
31
|
24
|
28
|
33
|
34
|
33
|
36
|
43
|
49
|
45
|
27
|
22
|
32
|
31
|
40
|
25
|
23
|
23
|
23
|
30
|
29
|
|
2023/07
|
36
|
25
|
19
|
20
|
22
|
26
|
25
|
26
|
31
|
31
|
31
|
28
|
32
|
35
|
47
|
44
|
28
|
24
|
19
|
24
|
25
|
29
|
23
|
31
|
28
|
26
|
27
|
22
|
27
|
23
|
24
|
|
2023/06
|
38
|
45
|
49
|
39
|
31
|
39
|
37
|
21
|
22
|
33
|
46
|
53
|
50
|
37
|
47
|
24
|
22
|
19
|
22
|
28
|
25
|
25
|
23
|
19
|
22
|
26
|
22
|
16
|
18
|
26
|
|
|
2023/05
|
68
|
55
|
32
|
28
|
35
|
30
|
26
|
41
|
38
|
44
|
29
|
36
|
46
|
56
|
53
|
51
|
32
|
34
|
46
|
50
|
37
|
25
|
44
|
52
|
48
|
38
|
26
|
30
|
43
|
48
|
38
|
|
2023/04
|
54
|
45
|
35
|
29
|
24
|
27
|
40
|
62
|
60
|
59
|
46
|
31
|
39
|
42
|
44
|
61
|
62
|
39
|
32
|
37
|
46
|
37
|
22
|
20
|
18
|
27
|
34
|
41
|
46
|
76
|
|
|
2023/03
|
57
|
61
|
74
|
72
|
60
|
56
|
67
|
62
|
51
|
54
|
58
|
69
|
78
|
66
|
67
|
61
|
47
|
25
|
33
|
36
|
49
|
43
|
23
|
17
|
29
|
47
|
38
|
53
|
40
|
32
|
45
|
|
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