Air Quality
Excellent
No health implications.
18
PM2.5
25
PM10
32
O3
0.6
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jan
36
Excellent
Wed
14 Jan
40
Excellent
Thu
15 Jan
37
Excellent
Fri
16 Jan
37
Excellent
Sat
17 Jan
37
Excellent
Sun
18 Jan
34
Excellent
Mon
19 Jan
45
Excellent
Air quality in the last 12 months (Weishan)
|
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
|
|
2024/12
|
24
|
23
|
21
|
21
|
21
|
22
|
24
|
24
|
22
|
28
|
38
|
37
|
28
|
27
|
24
|
27
|
27
|
23
|
25
|
23
|
26
|
18
|
21
|
26
|
24
|
33
|
41
|
41
|
25
|
21
|
27
|
|
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