Air Quality
Excellent
No health implications.
16
PM2.5
31
PM10
71
O3
0.9
CO
9
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
49
Excellent
Mon
5 May
39
Excellent
Tue
6 May
70
Good
Wed
7 May
48
Excellent
Thu
8 May
46
Excellent
Fri
9 May
44
Excellent
Sat
10 May
29
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