Air Quality
Excellent
No health implications.
15
PM2.5
33
PM10
124
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
57
Good
Sat
20 Apr
60
Good
Sun
21 Apr
60
Good
Mon
22 Apr
61
Good
Tue
23 Apr
58
Good
Wed
24 Apr
63
Good
Thu
25 Apr
60
Good
Air quality in the last 12 months (Shimian)
|
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
|
||
|
2024/01
|
80
|
45
|
36
|
52
|
46
|
48
|
54
|
49
|
49
|
54
|
63
|
85
|
109
|
110
|
69
|
46
|
50
|
56
|
67
|
43
|
30
|
21
|
29
|
28
|
35
|
34
|
44
|
50
|
55
|
67
|
52
|
|
2023/12
|
28
|
35
|
41
|
42
|
46
|
30
|
43
|
56
|
52
|
51
|
42
|
40
|
41
|
42
|
31
|
35
|
41
|
42
|
46
|
57
|
56
|
48
|
65
|
52
|
57
|
62
|
71
|
80
|
63
|
58
|
95
|
|
2023/11
|
38
|
29
|
25
|
28
|
28
|
32
|
40
|
40
|
32
|
43
|
32
|
22
|
21
|
28
|
25
|
30
|
43
|
56
|
46
|
42
|
42
|
31
|
33
|
41
|
47
|
30
|
41
|
43
|
48
|
40
|
|
|
2023/10
|
17
|
16
|
17
|
16
|
16
|
13
|
15
|
20
|
14
|
17
|
18
|
16
|
14
|
19
|
28
|
29
|
36
|
24
|
18
|
24
|
31
|
38
|
43
|
49
|
38
|
16
|
16
|
22
|
24
|
35
|
29
|
|
2023/09
|
20
|
24
|
33
|
38
|
40
|
45
|
41
|
35
|
33
|
24
|
25
|
20
|
23
|
31
|
33
|
33
|
35
|
24
|
23
|
20
|
17
|
19
|
16
|
16
|
16
|
17
|
22
|
21
|
17
|
21
|
|
|
2023/08
|
24
|
26
|
26
|
22
|
22
|
19
|
23
|
24
|
23
|
22
|
22
|
23
|
26
|
29
|
30
|
31
|
33
|
26
|
27
|
21
|
24
|
32
|
36
|
21
|
19
|
18
|
21
|
23
|
24
|
23
|
27
|
|
2023/07
|
26
|
27
|
24
|
23
|
27
|
30
|
30
|
31
|
37
|
35
|
32
|
16
|
16
|
25
|
28
|
30
|
34
|
39
|
40
|
35
|
26
|
28
|
34
|
24
|
22
|
18
|
19
|
19
|
26
|
28
|
25
|
|
2023/06
|
28
|
24
|
22
|
21
|
23
|
24
|
26
|
27
|
25
|
29
|
28
|
30
|
37
|
23
|
22
|
26
|
25
|
24
|
22
|
26
|
21
|
21
|
29
|
32
|
34
|
43
|
38
|
31
|
26
|
22
|
|
|
2023/05
|
41
|
39
|
37
|
39
|
29
|
26
|
26
|
24
|
21
|
21
|
22
|
27
|
30
|
35
|
33
|
35
|
38
|
29
|
27
|
32
|
28
|
25
|
30
|
36
|
34
|
24
|
25
|
28
|
32
|
37
|
39
|
|
2023/04
|
35
|
44
|
31
|
30
|
29
|
28
|
50
|
52
|
55
|
51
|
42
|
38
|
40
|
32
|
40
|
47
|
51
|
30
|
32
|
31
|
29
|
25
|
23
|
22
|
22
|
25
|
35
|
35
|
29
|
35
|
|
|
2023/03
|
34
|
41
|
34
|
40
|
42
|
48
|
50
|
33
|
27
|
36
|
35
|
25
|
25
|
36
|
46
|
47
|
40
|
35
|
33
|
32
|
26
|
26
|
24
|
21
|
23
|
23
|
21
|
20
|
23
|
30
|
33
|
|
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