Air Quality
Excellent
No health implications.
20
PM2.5
33
PM10
57
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jun
32
Excellent
Fri
13 Jun
33
Excellent
Sat
14 Jun
35
Excellent
Sun
15 Jun
32
Excellent
Mon
16 Jun
37
Excellent
Tue
17 Jun
20
Excellent
Wed
18 Jun
21
Excellent
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