Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
31
O3
0.4
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
49
Excellent
Sun
10 May
57
Good
Mon
11 May
60
Good
Tue
12 May
65
Good
Wed
13 May
60
Good
Thu
14 May
64
Good
Fri
15 May
16
Excellent
Air quality in the last 12 months (Shimian)
|
2026/04
|
21
|
25
|
26
|
37
|
38
|
31
|
21
|
25
|
28
|
29
|
28
|
25
|
25
|
28
|
27
|
25
|
25
|
27
|
33
|
58
|
31
|
21
|
22
|
29
|
34
|
41
|
29
|
25
|
23
|
25
|
|
|
2026/03
|
20
|
22
|
17
|
19
|
20
|
30
|
34
|
19
|
19
|
18
|
23
|
30
|
31
|
23
|
21
|
27
|
22
|
21
|
27
|
23
|
30
|
28
|
22
|
21
|
42
|
25
|
23
|
23
|
26
|
21
|
22
|
|
2026/02
|
40
|
44
|
48
|
55
|
35
|
41
|
38
|
18
|
28
|
19
|
31
|
38
|
35
|
30
|
37
|
36
|
70
|
41
|
30
|
33
|
35
|
38
|
46
|
24
|
29
|
37
|
32
|
25
|
|||
|
2026/01
|
32
|
31
|
26
|
22
|
37
|
27
|
33
|
30
|
52
|
61
|
59
|
70
|
61
|
56
|
39
|
55
|
55
|
72
|
58
|
47
|
47
|
42
|
50
|
56
|
46
|
58
|
68
|
70
|
61
|
33
|
35
|
|
2025/12
|
52
|
56
|
31
|
40
|
42
|
44
|
32
|
45
|
53
|
42
|
47
|
43
|
27
|
46
|
52
|
49
|
38
|
54
|
59
|
42
|
42
|
48
|
33
|
44
|
37
|
51
|
58
|
57
|
77
|
60
|
46
|
|
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
|
|
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