Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
18
O3
0.6
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
39
Excellent
Sat
20 Sep
34
Excellent
Sun
21 Sep
35
Excellent
Mon
22 Sep
36
Excellent
Tue
23 Sep
31
Excellent
Wed
24 Sep
20
Excellent
Thu
25 Sep
39
Excellent
Air quality in the last 12 months (Weishan)
|
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
|
|
2024/11
|
32
|
33
|
26
|
29
|
28
|
32
|
15
|
13
|
17
|
22
|
22
|
21
|
21
|
22
|
25
|
28
|
27
|
26
|
25
|
23
|
22
|
18
|
18
|
20
|
23
|
20
|
20
|
22
|
22
|
19
|
|
|
2024/10
|
15
|
16
|
21
|
16
|
14
|
17
|
21
|
21
|
24
|
22
|
26
|
28
|
27
|
29
|
30
|
24
|
21
|
29
|
31
|
28
|
24
|
24
|
24
|
22
|
24
|
25
|
30
|
50
|
37
|
29
|
27
|
|
2024/09
|
20
|
22
|
21
|
19
|
17
|
24
|
30
|
27
|
22
|
15
|
19
|
22
|
22
|
21
|
23
|
28
|
21
|
23
|
30
|
31
|
33
|
24
|
24
|
28
|
31
|
30
|
22
|
20
|
17
|
22
|
|
|
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