Air Quality
Excellent
No health implications.
6
PM2.5
20
PM10
24
O3
0.4
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
37
Excellent
Mon
30 Jun
34
Excellent
Tue
1 Jul
33
Excellent
Wed
2 Jul
33
Excellent
Thu
3 Jul
36
Excellent
Fri
4 Jul
45
Excellent
Sat
5 Jul
28
Excellent
Shidian Air quality rank
Air quality in the last 12 months (Shidian)
|
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
|
|
2024/12
|
30
|
29
|
27
|
29
|
27
|
31
|
34
|
39
|
34
|
34
|
48
|
48
|
38
|
35
|
40
|
36
|
37
|
35
|
27
|
24
|
34
|
32
|
27
|
27
|
31
|
39
|
50
|
42
|
29
|
29
|
32
|
|
2024/11
|
41
|
40
|
35
|
34
|
27
|
25
|
18
|
16
|
22
|
26
|
25
|
24
|
24
|
25
|
28
|
30
|
31
|
30
|
31
|
29
|
24
|
27
|
29
|
30
|
29
|
26
|
29
|
30
|
34
|
29
|
|
|
2024/10
|
19
|
15
|
24
|
18
|
17
|
20
|
23
|
20
|
23
|
24
|
27
|
32
|
34
|
36
|
41
|
30
|
29
|
35
|
41
|
40
|
30
|
28
|
26
|
27
|
26
|
26
|
32
|
36
|
33
|
29
|
31
|
|
2024/09
|
23
|
26
|
23
|
25
|
24
|
27
|
34
|
38
|
29
|
22
|
19
|
23
|
26
|
21
|
29
|
32
|
25
|
28
|
34
|
41
|
39
|
30
|
27
|
31
|
35
|
29
|
23
|
21
|
18
|
22
|
|
|
2024/08
|
25
|
17
|
18
|
20
|
22
|
20
|
22
|
17
|
18
|
19
|
18
|
30
|
38
|
47
|
46
|
27
|
30
|
25
|
27
|
26
|
23
|
25
|
37
|
22
|
22
|
28
|
30
|
25
|
29
|
29
|
26
|
|
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
|
|
|
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