Air Quality
Excellent
No health implications.
5
PM2.5
7
PM10
34
O3
0.5
CO
6
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
38
Excellent
Wed
21 Oct
51
Good
Thu
22 Oct
60
Good
Fri
23 Oct
74
Good
Sat
24 Oct
79
Good
Sun
25 Oct
86
Good
Mon
26 Oct
35
Excellent
Air quality in the last 12 months (Caidian)
|
2026/08
|
21
|
24
|
29
|
42
|
54
|
46
|
38
|
43
|
41
|
30
|
18
|
18
|
17
|
26
|
21
|
29
|
36
|
39
|
49
|
39
|
35
|
28
|
24
|
26
|
27
|
30
|
37
|
38
|
34
|
33
|
40
|
|
2026/07
|
28
|
21
|
16
|
15
|
17
|
19
|
16
|
23
|
20
|
28
|
41
|
30
|
38
|
43
|
28
|
27
|
26
|
28
|
36
|
46
|
41
|
21
|
23
|
30
|
35
|
42
|
22
|
18
|
19
|
19
|
22
|
|
2026/06
|
57
|
69
|
42
|
46
|
69
|
54
|
42
|
29
|
35
|
52
|
73
|
47
|
25
|
42
|
65
|
52
|
59
|
48
|
19
|
31
|
26
|
23
|
21
|
23
|
27
|
43
|
76
|
64
|
56
|
24
|
|
|
2026/05
|
45
|
32
|
38
|
38
|
49
|
42
|
49
|
37
|
47
|
46
|
46
|
60
|
37
|
39
|
47
|
32
|
29
|
29
|
21
|
28
|
36
|
37
|
32
|
28
|
34
|
18
|
25
|
41
|
40
|
40
|
51
|
|
2026/04
|
56
|
50
|
38
|
55
|
73
|
87
|
76
|
54
|
28
|
46
|
53
|
48
|
38
|
26
|
36
|
47
|
55
|
58
|
60
|
56
|
31
|
23
|
24
|
34
|
47
|
52
|
61
|
31
|
29
|
39
|
|
|
2026/03
|
26
|
31
|
51
|
68
|
82
|
75
|
80
|
69
|
78
|
78
|
65
|
72
|
61
|
70
|
86
|
25
|
25
|
39
|
75
|
79
|
76
|
54
|
71
|
79
|
75
|
80
|
70
|
65
|
62
|
37
|
57
|
|
2026/02
|
53
|
78
|
87
|
84
|
86
|
116
|
54
|
72
|
54
|
64
|
81
|
111
|
73
|
68
|
87
|
29
|
72
|
79
|
91
|
60
|
51
|
87
|
90
|
37
|
34
|
21
|
47
|
44
|
|||
|
2026/01
|
28
|
53
|
73
|
71
|
85
|
54
|
65
|
61
|
67
|
77
|
68
|
67
|
71
|
82
|
104
|
117
|
141
|
131
|
17
|
49
|
52
|
80
|
84
|
92
|
76
|
143
|
83
|
74
|
52
|
30
|
41
|
|
2025/12
|
97
|
94
|
59
|
73
|
77
|
84
|
117
|
110
|
133
|
132
|
151
|
109
|
35
|
50
|
63
|
70
|
133
|
168
|
126
|
137
|
49
|
46
|
46
|
84
|
59
|
65
|
70
|
85
|
89
|
127
|
74
|
|
2025/11
|
76
|
84
|
72
|
73
|
71
|
57
|
32
|
28
|
49
|
53
|
65
|
36
|
46
|
65
|
84
|
89
|
51
|
25
|
33
|
42
|
61
|
82
|
101
|
82
|
92
|
71
|
103
|
88
|
73
|
76
|
|
|
2025/10
|
44
|
44
|
17
|
34
|
61
|
59
|
36
|
55
|
60
|
45
|
39
|
50
|
17
|
32
|
51
|
30
|
33
|
9
|
11
|
24
|
20
|
24
|
27
|
31
|
53
|
73
|
73
|
79
|
84
|
59
|
45
|
|
2025/09
|
20
|
32
|
37
|
31
|
41
|
30
|
44
|
47
|
25
|
30
|
25
|
24
|
24
|
24
|
30
|
41
|
29
|
16
|
18
|
13
|
25
|
40
|
19
|
11
|
14
|
29
|
37
|
46
|
28
|
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