Air Quality
Excellent
No health implications.
5
PM2.5
16
PM10
30
O3
0.6
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
51
Good
Tue
20 Jan
44
Excellent
Wed
21 Jan
58
Good
Thu
22 Jan
80
Good
Fri
23 Jan
97
Good
Sat
24 Jan
113
Light
Sun
25 Jan
29
Excellent
Air quality in the last 12 months (Caidian)
|
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
|
|
2025/07
|
18
|
16
|
19
|
27
|
36
|
42
|
42
|
48
|
22
|
23
|
40
|
24
|
28
|
35
|
33
|
28
|
34
|
30
|
33
|
29
|
22
|
13
|
18
|
24
|
28
|
26
|
21
|
21
|
21
|
22
|
24
|
|
2025/06
|
9
|
22
|
50
|
56
|
44
|
42
|
19
|
14
|
18
|
37
|
31
|
33
|
32
|
24
|
29
|
38
|
33
|
17
|
10
|
14
|
8
|
14
|
26
|
27
|
37
|
23
|
23
|
17
|
11
|
22
|
|
|
2025/05
|
50
|
57
|
48
|
51
|
41
|
123
|
148
|
44
|
49
|
43
|
47
|
44
|
52
|
63
|
49
|
49
|
50
|
126
|
79
|
38
|
27
|
19
|
53
|
57
|
53
|
47
|
61
|
33
|
31
|
30
|
13
|
|
2025/04
|
67
|
63
|
58
|
72
|
79
|
73
|
73
|
70
|
73
|
45
|
59
|
201
|
113
|
99
|
58
|
59
|
69
|
74
|
70
|
61
|
35
|
54
|
59
|
61
|
66
|
46
|
49
|
57
|
54
|
42
|
|
|
2025/03
|
75
|
37
|
16
|
43
|
38
|
69
|
82
|
88
|
78
|
69
|
69
|
79
|
65
|
54
|
30
|
44
|
34
|
44
|
51
|
51
|
55
|
58
|
67
|
61
|
52
|
66
|
91
|
70
|
69
|
69
|
66
|
|
2025/02
|
75
|
64
|
99
|
95
|
65
|
44
|
76
|
43
|
55
|
68
|
83
|
97
|
125
|
100
|
92
|
84
|
66
|
74
|
71
|
100
|
96
|
89
|
124
|
131
|
127
|
102
|
60
|
61
|
|||
|
2025/01
|
132
|
180
|
202
|
219
|
82
|
84
|
60
|
74
|
49
|
46
|
93
|
84
|
112
|
112
|
63
|
73
|
97
|
97
|
141
|
166
|
157
|
148
|
230
|
106
|
25
|
41
|
55
|
67
|
187
|
84
|
122
|
|
2024/12
|
66
|
84
|
121
|
80
|
52
|
55
|
56
|
64
|
60
|
84
|
96
|
109
|
91
|
58
|
65
|
71
|
95
|
85
|
76
|
106
|
107
|
62
|
77
|
94
|
138
|
157
|
166
|
50
|
59
|
116
|
161
|
|
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