Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
38
O3
0.8
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Mar
51
Good
Sun
26 Mar
62
Good
Mon
27 Mar
64
Good
Tue
28 Mar
70
Good
Wed
29 Mar
74
Good
Thu
30 Mar
68
Good
Fri
31 Mar
66
Good
Air quality in the last 12 months (Wan'an)
|
2023/02
|
49
|
77
|
52
|
25
|
25
|
23
|
30
|
33
|
17
|
24
|
26
|
32
|
19
|
23
|
40
|
47
|
50
|
51
|
57
|
81
|
61
|
56
|
58
|
57
|
47
|
80
|
50
|
57
|
|||
|
2023/01
|
51
|
61
|
63
|
57
|
47
|
56
|
61
|
69
|
42
|
46
|
67
|
45
|
17
|
23
|
21
|
47
|
51
|
52
|
55
|
58
|
74
|
165
|
67
|
74
|
63
|
58
|
60
|
60
|
53
|
50
|
43
|
|
2022/12
|
19
|
29
|
20
|
22
|
19
|
30
|
37
|
50
|
55
|
52
|
88
|
88
|
70
|
66
|
60
|
61
|
55
|
42
|
42
|
45
|
50
|
49
|
55
|
44
|
43
|
56
|
69
|
77
|
60
|
63
|
65
|
|
2022/11
|
45
|
44
|
28
|
31
|
33
|
34
|
34
|
39
|
43
|
47
|
41
|
40
|
54
|
50
|
35
|
26
|
25
|
35
|
23
|
34
|
42
|
38
|
25
|
31
|
35
|
34
|
32
|
22
|
21
|
17
|
|
|
2022/10
|
27
|
24
|
28
|
45
|
71
|
41
|
25
|
34
|
33
|
35
|
37
|
39
|
47
|
44
|
47
|
50
|
63
|
60
|
47
|
48
|
51
|
52
|
66
|
62
|
55
|
62
|
52
|
42
|
30
|
45
|
48
|
|
2022/09
|
32
|
42
|
40
|
36
|
47
|
42
|
28
|
28
|
40
|
55
|
54
|
54
|
56
|
40
|
36
|
44
|
55
|
58
|
48
|
54
|
55
|
48
|
50
|
62
|
69
|
66
|
62
|
60
|
63
|
47
|
|
|
2022/08
|
40
|
41
|
36
|
24
|
18
|
21
|
26
|
24
|
25
|
20
|
26
|
20
|
22
|
31
|
34
|
35
|
24
|
27
|
23
|
18
|
19
|
27
|
35
|
36
|
24
|
23
|
30
|
37
|
33
|
38
|
42
|
|
2022/07
|
27
|
22
|
17
|
20
|
17
|
23
|
19
|
24
|
25
|
29
|
33
|
40
|
45
|
45
|
47
|
39
|
38
|
30
|
31
|
24
|
30
|
38
|
36
|
39
|
34
|
47
|
52
|
49
|
40
|
29
|
34
|
|
2022/06
|
29
|
29
|
24
|
22
|
26
|
35
|
45
|
24
|
19
|
22
|
24
|
27
|
18
|
25
|
34
|
28
|
22
|
21
|
19
|
22
|
18
|
27
|
31
|
30
|
36
|
28
|
24
|
27
|
30
|
22
|
|
|
2022/05
|
31
|
42
|
43
|
46
|
48
|
55
|
60
|
35
|
31
|
25
|
24
|
32
|
24
|
32
|
33
|
35
|
40
|
39
|
51
|
56
|
46
|
38
|
20
|
16
|
27
|
24
|
34
|
31
|
32
|
26
|
26
|
|
2022/04
|
31
|
31
|
40
|
47
|
51
|
52
|
51
|
58
|
54
|
67
|
71
|
50
|
33
|
26
|
30
|
22
|
24
|
23
|
34
|
46
|
39
|
37
|
27
|
36
|
32
|
29
|
35
|
32
|
26
|
24
|
|
|
2022/03
|
54
|
53
|
57
|
66
|
61
|
39
|
28
|
33
|
45
|
46
|
49
|
50
|
48
|
48
|
46
|
55
|
31
|
24
|
39
|
49
|
34
|
17
|
20
|
25
|
20
|
20
|
34
|
31
|
32
|
25
|
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