Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
86
O3
0.5
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
39
Excellent
Fri
6 Feb
34
Excellent
Sat
7 Feb
33
Excellent
Sun
8 Feb
36
Excellent
Mon
9 Feb
33
Excellent
Tue
10 Feb
34
Excellent
Wed
11 Feb
20
Excellent
Air quality in the last 12 months (Weishan)
|
2025/12
|
35
|
30
|
32
|
26
|
27
|
26
|
30
|
27
|
29
|
29
|
31
|
31
|
33
|
35
|
32
|
27
|
28
|
27
|
28
|
32
|
29
|
30
|
32
|
28
|
32
|
30
|
30
|
31
|
29
|
26
|
30
|
|
2025/11
|
19
|
19
|
11
|
14
|
12
|
14
|
16
|
20
|
18
|
18
|
17
|
18
|
20
|
24
|
25
|
25
|
25
|
22
|
17
|
17
|
17
|
17
|
21
|
22
|
33
|
39
|
33
|
34
|
35
|
35
|
|
|
2025/10
|
12
|
12
|
15
|
16
|
19
|
19
|
17
|
13
|
15
|
14
|
16
|
16
|
17
|
17
|
20
|
19
|
15
|
14
|
13
|
15
|
18
|
19
|
24
|
22
|
20
|
21
|
22
|
23
|
24
|
25
|
22
|
|
2025/09
|
19
|
17
|
17
|
19
|
20
|
21
|
18
|
18
|
19
|
18
|
17
|
15
|
14
|
14
|
16
|
11
|
15
|
15
|
18
|
18
|
18
|
20
|
17
|
13
|
20
|
18
|
12
|
15
|
13
|
11
|
|
|
2025/08
|
21
|
19
|
16
|
16
|
18
|
21
|
19
|
15
|
16
|
16
|
16
|
14
|
15
|
20
|
27
|
23
|
17
|
21
|
22
|
20
|
14
|
12
|
12
|
13
|
16
|
20
|
18
|
16
|
16
|
20
|
22
|
|
2025/07
|
20
|
20
|
13
|
12
|
12
|
15
|
16
|
13
|
16
|
19
|
20
|
21
|
28
|
27
|
21
|
25
|
25
|
25
|
25
|
20
|
20
|
21
|
20
|
20
|
15
|
16
|
17
|
19
|
24
|
23
|
17
|
|
2025/06
|
14
|
12
|
17
|
34
|
35
|
33
|
22
|
24
|
23
|
19
|
25
|
32
|
34
|
33
|
21
|
17
|
15
|
13
|
13
|
16
|
18
|
12
|
13
|
13
|
16
|
14
|
14
|
18
|
18
|
15
|
|
|
2025/05
|
28
|
26
|
25
|
18
|
20
|
26
|
25
|
27
|
28
|
38
|
25
|
31
|
34
|
31
|
33
|
32
|
31
|
24
|
27
|
29
|
27
|
25
|
34
|
21
|
12
|
15
|
10
|
11
|
11
|
13
|
13
|
|
2025/04
|
86
|
72
|
71
|
68
|
66
|
67
|
65
|
67
|
68
|
58
|
45
|
42
|
25
|
32
|
37
|
27
|
27
|
24
|
25
|
24
|
28
|
27
|
42
|
49
|
61
|
54
|
60
|
61
|
38
|
36
|
|
|
2025/03
|
39
|
46
|
32
|
40
|
45
|
52
|
59
|
61
|
57
|
50
|
48
|
66
|
76
|
56
|
47
|
46
|
51
|
55
|
27
|
43
|
62
|
47
|
47
|
38
|
36
|
32
|
32
|
71
|
102
|
79
|
81
|
|
2025/02
|
54
|
56
|
50
|
47
|
42
|
47
|
51
|
34
|
34
|
29
|
29
|
33
|
43
|
53
|
40
|
39
|
39
|
38
|
50
|
41
|
43
|
39
|
41
|
40
|
39
|
28
|
28
|
36
|
|||
|
2025/01
|
34
|
29
|
31
|
32
|
37
|
36
|
27
|
28
|
24
|
29
|
33
|
39
|
32
|
32
|
48
|
44
|
35
|
32
|
28
|
28
|
32
|
42
|
35
|
23
|
28
|
36
|
29
|
52
|
66
|
36
|
39
|
|
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