Air Quality
Excellent
No health implications.
20
PM2.5
23
PM10
35
O3
0.7
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jan
53
Good
Fri
2 Jan
58
Good
Sat
3 Jan
99
Good
Sun
4 Jan
114
Light
Mon
5 Jan
140
Light
Tue
6 Jan
139
Light
Wed
7 Jan
29
Excellent
Caidian Air quality rank
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