Air Quality
Excellent
No health implications.
20
PM2.5
28
PM10
40
O3
0.4
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Dec
52
Good
Tue
9 Dec
51
Good
Wed
10 Dec
53
Good
Thu
11 Dec
53
Good
Fri
12 Dec
53
Good
Sat
13 Dec
38
Excellent
Sun
14 Dec
40
Excellent
Shimian Air quality rank
Air quality in the last 12 months (Shimian)
|
2025/11
|
10
|
14
|
17
|
23
|
20
|
16
|
14
|
14
|
21
|
21
|
15
|
14
|
17
|
25
|
21
|
27
|
18
|
19
|
17
|
29
|
26
|
42
|
33
|
44
|
44
|
47
|
33
|
38
|
49
|
50
|
|
|
2025/10
|
17
|
13
|
23
|
18
|
13
|
17
|
17
|
15
|
19
|
25
|
21
|
14
|
14
|
22
|
27
|
31
|
19
|
14
|
16
|
9
|
9
|
13
|
13
|
12
|
13
|
12
|
13
|
24
|
18
|
16
|
16
|
|
2025/09
|
21
|
23
|
20
|
25
|
23
|
18
|
27
|
20
|
20
|
23
|
18
|
12
|
18
|
28
|
33
|
17
|
14
|
14
|
13
|
19
|
14
|
10
|
12
|
15
|
24
|
28
|
29
|
17
|
12
|
17
|
|
|
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
|
|
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