Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
37
O3
0.4
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
42
Excellent
Tue
18 Mar
39
Excellent
Wed
19 Mar
45
Excellent
Thu
20 Mar
42
Excellent
Fri
21 Mar
45
Excellent
Sat
22 Mar
23
Excellent
Sun
23 Mar
23
Excellent
Air quality in the last 12 months (Shimian)
|
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
|
|
|
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
|
|
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