Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
29
O3
0.7
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
33
Excellent
Sun
20 Jul
30
Excellent
Mon
21 Jul
37
Excellent
Tue
22 Jul
38
Excellent
Wed
23 Jul
35
Excellent
Thu
24 Jul
36
Excellent
Fri
25 Jul
45
Excellent
Air quality in the last 12 months (Weishan)
|
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
|
|
|
2024/08
|
19
|
25
|
16
|
14
|
16
|
17
|
17
|
17
|
21
|
28
|
18
|
31
|
34
|
44
|
40
|
29
|
30
|
32
|
22
|
23
|
22
|
29
|
24
|
20
|
23
|
26
|
23
|
28
|
26
|
24
|
21
|
|
2024/07
|
12
|
15
|
13
|
14
|
16
|
20
|
14
|
16
|
18
|
19
|
14
|
12
|
15
|
18
|
16
|
14
|
16
|
20
|
17
|
18
|
14
|
16
|
14
|
16
|
22
|
22
|
22
|
20
|
21
|
23
|
19
|
|
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