Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
50
O3
0.6
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
51
Good
Wed
17 Sep
51
Good
Thu
18 Sep
53
Good
Fri
19 Sep
54
Good
Sat
20 Sep
54
Good
Sun
21 Sep
54
Good
Mon
22 Sep
48
Excellent
Air quality in the last 12 months (Shimian)
|
2025/08
|
28
|
30
|
30
|
32
|
30
|
22
|
21
|
26
|
17
|
14
|
13
|
21
|
26
|
26
|
25
|
27
|
21
|
15
|
15
|
22
|
16
|
14
|
18
|
13
|
14
|
19
|
22
|
15
|
11
|
13
|
13
|
|
2025/07
|
23
|
17
|
16
|
16
|
11
|
13
|
15
|
22
|
19
|
22
|
15
|
18
|
27
|
28
|
28
|
32
|
32
|
31
|
19
|
17
|
14
|
17
|
18
|
16
|
17
|
12
|
17
|
20
|
23
|
24
|
24
|
|
2025/06
|
12
|
12
|
23
|
28
|
33
|
30
|
29
|
19
|
20
|
26
|
27
|
33
|
35
|
28
|
26
|
29
|
29
|
19
|
10
|
17
|
16
|
18
|
21
|
11
|
14
|
16
|
18
|
24
|
21
|
19
|
|
|
2025/05
|
27
|
29
|
24
|
24
|
16
|
11
|
19
|
22
|
35
|
49
|
47
|
41
|
38
|
28
|
23
|
18
|
18
|
22
|
24
|
27
|
33
|
34
|
20
|
22
|
31
|
35
|
18
|
13
|
21
|
20
|
13
|
|
2025/04
|
24
|
32
|
44
|
40
|
11
|
20
|
30
|
39
|
38
|
42
|
39
|
50
|
53
|
50
|
44
|
47
|
36
|
36
|
36
|
38
|
33
|
34
|
34
|
19
|
26
|
25
|
23
|
21
|
18
|
20
|
|
|
2025/03
|
44
|
38
|
23
|
26
|
17
|
10
|
17
|
20
|
31
|
38
|
37
|
54
|
54
|
38
|
13
|
14
|
12
|
12
|
23
|
28
|
30
|
34
|
33
|
33
|
34
|
36
|
44
|
86
|
44
|
35
|
31
|
|
2025/02
|
22
|
16
|
19
|
31
|
29
|
18
|
16
|
18
|
22
|
25
|
27
|
22
|
33
|
36
|
27
|
37
|
37
|
34
|
26
|
26
|
24
|
18
|
18
|
21
|
18
|
21
|
39
|
31
|
|||
|
2025/01
|
51
|
51
|
54
|
77
|
56
|
62
|
42
|
28
|
25
|
35
|
18
|
35
|
37
|
38
|
40
|
43
|
43
|
42
|
56
|
48
|
58
|
64
|
69
|
39
|
15
|
24
|
43
|
28
|
35
|
44
|
28
|
|
2024/12
|
38
|
39
|
42
|
42
|
27
|
39
|
29
|
22
|
17
|
21
|
27
|
35
|
24
|
24
|
31
|
43
|
56
|
48
|
74
|
66
|
46
|
28
|
32
|
28
|
30
|
31
|
50
|
35
|
50
|
26
|
37
|
|
2024/11
|
14
|
19
|
25
|
15
|
17
|
31
|
26
|
34
|
31
|
19
|
20
|
22
|
21
|
24
|
30
|
21
|
18
|
18
|
19
|
23
|
28
|
31
|
25
|
18
|
14
|
23
|
21
|
23
|
28
|
37
|
|
|
2024/10
|
10
|
16
|
15
|
19
|
16
|
15
|
16
|
24
|
21
|
10
|
17
|
17
|
19
|
25
|
27
|
28
|
15
|
24
|
16
|
18
|
16
|
19
|
23
|
33
|
23
|
13
|
11
|
21
|
34
|
27
|
26
|
|
2024/09
|
15
|
16
|
16
|
17
|
13
|
17
|
18
|
23
|
18
|
13
|
19
|
21
|
22
|
22
|
21
|
12
|
18
|
20
|
26
|
28
|
19
|
21
|
23
|
25
|
21
|
25
|
31
|
36
|
28
|
9
|
|
|
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