Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
46
O3
0.6
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Feb
44
Excellent
Thu
27 Feb
50
Excellent
Fri
28 Feb
50
Excellent
Sat
1 Mar
53
Good
Sun
2 Mar
48
Excellent
Mon
3 Mar
49
Excellent
Tue
4 Mar
39
Excellent
Air quality in the last 12 months (Shimian)
|
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
|
|
|
2024/08
|
25
|
29
|
26
|
19
|
19
|
22
|
29
|
26
|
21
|
20
|
47
|
28
|
29
|
37
|
37
|
17
|
23
|
22
|
25
|
28
|
32
|
36
|
39
|
37
|
38
|
32
|
34
|
35
|
37
|
34
|
25
|
|
2024/07
|
17
|
17
|
17
|
18
|
16
|
19
|
25
|
15
|
12
|
14
|
14
|
25
|
22
|
13
|
18
|
13
|
18
|
15
|
22
|
17
|
13
|
17
|
19
|
14
|
15
|
25
|
26
|
16
|
14
|
16
|
19
|
|
2024/06
|
39
|
22
|
21
|
17
|
23
|
24
|
12
|
16
|
14
|
19
|
17
|
24
|
24
|
23
|
26
|
29
|
13
|
16
|
14
|
19
|
20
|
13
|
20
|
15
|
23
|
23
|
13
|
16
|
16
|
19
|
|
|
2024/05
|
16
|
18
|
21
|
17
|
25
|
32
|
33
|
21
|
22
|
28
|
14
|
17
|
25
|
33
|
27
|
32
|
23
|
21
|
27
|
26
|
25
|
28
|
32
|
33
|
34
|
25
|
22
|
20
|
14
|
12
|
28
|
|
2024/04
|
31
|
33
|
31
|
27
|
28
|
19
|
21
|
21
|
26
|
26
|
23
|
30
|
35
|
40
|
44
|
41
|
29
|
22
|
33
|
25
|
32
|
40
|
15
|
19
|
27
|
32
|
40
|
47
|
27
|
16
|
|
|
2024/03
|
24
|
28
|
38
|
50
|
32
|
32
|
32
|
41
|
53
|
48
|
26
|
41
|
32
|
22
|
37
|
33
|
50
|
32
|
47
|
59
|
48
|
45
|
46
|
39
|
26
|
27
|
26
|
17
|
28
|
33
|
32
|
|
2024/02
|
44
|
44
|
24
|
24
|
29
|
28
|
26
|
27
|
27
|
46
|
47
|
48
|
37
|
48
|
28
|
23
|
29
|
34
|
43
|
81
|
42
|
30
|
31
|
26
|
42
|
50
|
51
|
42
|
28
|
||
|
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