Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
29
O3
0.5
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
36
Excellent
Wed
11 Sep
46
Excellent
Thu
12 Sep
39
Excellent
Fri
13 Sep
33
Excellent
Sat
14 Sep
34
Excellent
Sun
15 Sep
31
Excellent
Air quality in the last 12 months (Shidian)
|
2024/07
|
18
|
17
|
15
|
16
|
19
|
20
|
18
|
19
|
18
|
17
|
15
|
17
|
23
|
22
|
22
|
21
|
30
|
28
|
22
|
21
|
18
|
19
|
17
|
19
|
23
|
23
|
23
|
25
|
21
|
17
|
25
|
|
2024/06
|
47
|
39
|
32
|
33
|
36
|
32
|
32
|
30
|
30
|
41
|
42
|
33
|
17
|
16
|
17
|
34
|
33
|
30
|
40
|
39
|
32
|
29
|
22
|
24
|
20
|
25
|
18
|
18
|
19
|
19
|
|
|
2024/05
|
64
|
50
|
40
|
60
|
62
|
32
|
42
|
49
|
43
|
36
|
34
|
38
|
38
|
38
|
43
|
40
|
40
|
42
|
46
|
42
|
29
|
33
|
35
|
31
|
26
|
18
|
15
|
18
|
35
|
42
|
39
|
|
2024/04
|
49
|
57
|
69
|
62
|
59
|
70
|
61
|
67
|
58
|
64
|
71
|
74
|
65
|
51
|
59
|
82
|
88
|
61
|
57
|
50
|
41
|
59
|
59
|
61
|
60
|
58
|
62
|
64
|
61
|
62
|
|
|
2024/03
|
42
|
37
|
43
|
46
|
41
|
41
|
41
|
36
|
33
|
47
|
50
|
70
|
69
|
64
|
65
|
66
|
71
|
56
|
54
|
79
|
69
|
33
|
27
|
44
|
40
|
50
|
56
|
56
|
60
|
70
|
62
|
|
2024/02
|
56
|
69
|
56
|
47
|
47
|
41
|
53
|
52
|
48
|
91
|
59
|
51
|
38
|
35
|
41
|
40
|
33
|
36
|
36
|
40
|
52
|
58
|
63
|
56
|
49
|
52
|
44
|
43
|
38
|
||
|
2024/01
|
34
|
28
|
29
|
31
|
29
|
33
|
34
|
33
|
33
|
36
|
39
|
38
|
37
|
36
|
31
|
33
|
29
|
37
|
42
|
45
|
47
|
40
|
46
|
46
|
39
|
35
|
39
|
36
|
37
|
38
|
36
|
|
2023/12
|
32
|
33
|
34
|
30
|
27
|
28
|
31
|
23
|
23
|
22
|
24
|
27
|
22
|
23
|
23
|
27
|
30
|
24
|
25
|
26
|
31
|
32
|
31
|
34
|
21
|
19
|
30
|
31
|
29
|
28
|
30
|
|
2023/11
|
26
|
25
|
26
|
25
|
26
|
31
|
35
|
31
|
29
|
32
|
29
|
28
|
30
|
28
|
25
|
27
|
24
|
19
|
22
|
25
|
25
|
26
|
25
|
25
|
26
|
28
|
29
|
31
|
34
|
35
|
|
|
2023/10
|
20
|
20
|
19
|
20
|
21
|
20
|
19
|
18
|
19
|
17
|
18
|
17
|
15
|
20
|
26
|
27
|
28
|
26
|
27
|
29
|
32
|
32
|
32
|
28
|
20
|
20
|
21
|
22
|
25
|
25
|
27
|
|
2023/09
|
23
|
25
|
29
|
36
|
34
|
32
|
29
|
26
|
28
|
29
|
26
|
22
|
24
|
26
|
32
|
37
|
34
|
22
|
20
|
18
|
21
|
19
|
22
|
23
|
25
|
24
|
25
|
26
|
19
|
19
|
|
|
2023/08
|
20
|
18
|
20
|
22
|
18
|
19
|
19
|
19
|
20
|
20
|
22
|
23
|
26
|
30
|
28
|
29
|
28
|
24
|
22
|
27
|
26
|
22
|
20
|
21
|
18
|
17
|
17
|
22
|
23
|
24
|
30
|
|
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