Air Quality
Excellent
No health implications.
14
PM2.5
28
PM10
51
O3
0.6
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Mar
50
Excellent
Sun
22 Mar
54
Good
Mon
23 Mar
51
Good
Tue
24 Mar
50
Excellent
Wed
25 Mar
52
Good
Thu
26 Mar
45
Excellent
Fri
27 Mar
22
Excellent
Air quality in the last 12 months (Shimian)
|
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
|
|
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
|
|
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