Air Quality
Excellent
No health implications.
24
PM2.5
29
PM10
90
O3
0.2
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
97
Good
Fri
21 Aug
96
Good
Sat
22 Aug
76
Good
Sun
23 Aug
66
Good
Mon
24 Aug
59
Good
Tue
25 Aug
56
Good
Wed
26 Aug
49
Excellent
Air quality in the last 12 months (Caidian)
|
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
|
|
|
2025/08
|
37
|
31
|
44
|
48
|
37
|
25
|
17
|
19
|
26
|
29
|
14
|
22
|
23
|
24
|
22
|
23
|
29
|
30
|
23
|
15
|
18
|
19
|
22
|
24
|
26
|
33
|
32
|
28
|
37
|
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