Air Quality
Excellent
No health implications.
11
PM2.5
23
PM10
31
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
37
Excellent
Mon
26 Oct
40
Excellent
Tue
27 Oct
37
Excellent
Wed
28 Oct
41
Excellent
Thu
29 Oct
39
Excellent
Fri
30 Oct
38
Excellent
Sat
31 Oct
37
Excellent
Air quality in the last 12 months (Shidian)
|
2026/08
|
18
|
18
|
17
|
18
|
23
|
25
|
23
|
19
|
17
|
22
|
25
|
25
|
21
|
22
|
22
|
19
|
16
|
17
|
20
|
24
|
25
|
25
|
19
|
21
|
21
|
21
|
21
|
22
|
21
|
22
|
22
|
|
2026/07
|
22
|
21
|
17
|
18
|
18
|
20
|
14
|
15
|
14
|
16
|
16
|
19
|
23
|
22
|
18
|
17
|
19
|
18
|
21
|
22
|
21
|
22
|
20
|
21
|
26
|
21
|
18
|
23
|
19
|
17
|
18
|
|
2026/06
|
21
|
19
|
18
|
27
|
33
|
35
|
33
|
29
|
27
|
20
|
21
|
20
|
20
|
20
|
19
|
18
|
19
|
16
|
18
|
18
|
20
|
18
|
20
|
20
|
21
|
23
|
20
|
20
|
18
|
21
|
|
|
2026/05
|
31
|
27
|
25
|
28
|
36
|
41
|
31
|
28
|
38
|
37
|
22
|
25
|
28
|
31
|
31
|
34
|
42
|
46
|
47
|
45
|
41
|
41
|
32
|
36
|
47
|
46
|
47
|
58
|
53
|
32
|
22
|
|
2026/04
|
51
|
50
|
56
|
54
|
55
|
46
|
58
|
74
|
35
|
35
|
39
|
44
|
65
|
71
|
83
|
69
|
55
|
64
|
65
|
60
|
62
|
64
|
61
|
61
|
84
|
55
|
52
|
31
|
40
|
34
|
|
|
2026/03
|
68
|
68
|
58
|
68
|
84
|
97
|
88
|
88
|
67
|
57
|
58
|
75
|
60
|
39
|
35
|
42
|
41
|
40
|
47
|
40
|
48
|
40
|
28
|
35
|
41
|
43
|
54
|
73
|
35
|
44
|
51
|
|
2026/02
|
35
|
35
|
36
|
42
|
39
|
36
|
36
|
44
|
47
|
41
|
35
|
34
|
33
|
35
|
55
|
63
|
86
|
56
|
43
|
33
|
34
|
40
|
51
|
48
|
64
|
68
|
52
|
60
|
|||
|
2026/01
|
42
|
39
|
32
|
32
|
34
|
37
|
36
|
40
|
40
|
35
|
40
|
40
|
38
|
40
|
39
|
36
|
36
|
37
|
41
|
40
|
31
|
33
|
36
|
36
|
38
|
35
|
33
|
37
|
37
|
38
|
37
|
|
2025/12
|
37
|
33
|
35
|
33
|
29
|
31
|
29
|
32
|
33
|
33
|
33
|
35
|
36
|
33
|
31
|
30
|
30
|
30
|
31
|
32
|
35
|
33
|
43
|
33
|
33
|
33
|
38
|
36
|
35
|
32
|
34
|
|
2025/11
|
25
|
21
|
15
|
15
|
20
|
17
|
22
|
26
|
27
|
23
|
20
|
20
|
22
|
23
|
29
|
26
|
27
|
27
|
24
|
19
|
20
|
20
|
22
|
25
|
29
|
31
|
32
|
33
|
37
|
38
|
|
|
2025/10
|
21
|
17
|
21
|
20
|
22
|
22
|
22
|
20
|
22
|
24
|
21
|
22
|
24
|
25
|
29
|
30
|
24
|
21
|
22
|
22
|
23
|
23
|
26
|
25
|
23
|
27
|
27
|
27
|
27
|
26
|
28
|
|
2025/09
|
23
|
25
|
23
|
27
|
26
|
26
|
26
|
27
|
26
|
28
|
25
|
24
|
19
|
18
|
20
|
16
|
19
|
22
|
26
|
31
|
27
|
26
|
29
|
21
|
28
|
27
|
22
|
25
|
25
|
19
|
|
|
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