Air Quality
Excellent
No health implications.
22
PM2.5
39
PM10
86
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
46
Excellent
Thu
29 Jan
48
Excellent
Fri
30 Jan
46
Excellent
Sat
31 Jan
47
Excellent
Sun
1 Feb
41
Excellent
Mon
2 Feb
43
Excellent
Tue
3 Feb
43
Excellent
Shidian Air quality rank
Air quality in the last 12 months (Shidian)
|
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
|
|
|
2025/08
|
21
|
20
|
17
|
17
|
22
|
25
|
21
|
17
|
17
|
17
|
21
|
21
|
22
|
22
|
25
|
25
|
21
|
21
|
22
|
18
|
17
|
17
|
18
|
19
|
20
|
25
|
20
|
24
|
20
|
26
|
24
|
|
2025/07
|
21
|
19
|
19
|
17
|
14
|
16
|
18
|
16
|
19
|
19
|
22
|
26
|
29
|
23
|
21
|
22
|
21
|
23
|
24
|
24
|
20
|
25
|
28
|
20
|
18
|
19
|
19
|
22
|
26
|
19
|
18
|
|
2025/06
|
19
|
17
|
31
|
49
|
43
|
37
|
33
|
31
|
28
|
21
|
32
|
39
|
44
|
33
|
24
|
23
|
16
|
15
|
15
|
21
|
23
|
19
|
17
|
17
|
16
|
15
|
20
|
21
|
20
|
20
|
|
|
2025/05
|
35
|
28
|
32
|
23
|
32
|
37
|
35
|
42
|
45
|
53
|
51
|
50
|
42
|
43
|
38
|
39
|
35
|
31
|
39
|
34
|
41
|
39
|
46
|
39
|
18
|
19
|
26
|
22
|
17
|
22
|
17
|
|
2025/04
|
109
|
91
|
81
|
93
|
87
|
92
|
78
|
89
|
84
|
81
|
66
|
55
|
30
|
38
|
46
|
37
|
28
|
34
|
36
|
38
|
40
|
40
|
58
|
63
|
69
|
74
|
75
|
70
|
47
|
49
|
|
|
2025/03
|
50
|
61
|
54
|
50
|
57
|
61
|
73
|
76
|
73
|
57
|
65
|
81
|
96
|
69
|
64
|
56
|
62
|
79
|
64
|
56
|
73
|
73
|
66
|
56
|
45
|
45
|
55
|
89
|
116
|
97
|
105
|
|
2025/02
|
68
|
66
|
52
|
53
|
60
|
68
|
57
|
43
|
49
|
47
|
40
|
43
|
47
|
62
|
56
|
65
|
50
|
51
|
61
|
59
|
57
|
55
|
55
|
54
|
49
|
43
|
40
|
50
|
|||
|
2025/01
|
36
|
37
|
35
|
35
|
40
|
39
|
32
|
34
|
31
|
40
|
41
|
44
|
38
|
40
|
45
|
45
|
43
|
40
|
39
|
33
|
35
|
39
|
44
|
37
|
41
|
56
|
35
|
55
|
103
|
46
|
51
|
|
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