Air Quality
Excellent
No health implications.
16
PM2.5
40
PM10
94
O3
0.3
CO
7
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
94
Good
Tue
17 Jun
105
Light
Wed
18 Jun
96
Good
Thu
19 Jun
67
Good
Fri
20 Jun
62
Good
Sat
21 Jun
48
Excellent
Sun
22 Jun
29
Excellent
Caidian Air quality rank
Air quality in the last 12 months (Caidian)
|
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
|
|
2024/11
|
75
|
84
|
89
|
85
|
57
|
58
|
55
|
53
|
51
|
50
|
62
|
57
|
60
|
66
|
88
|
61
|
18
|
20
|
25
|
30
|
49
|
64
|
78
|
69
|
32
|
38
|
50
|
59
|
61
|
60
|
|
|
2024/10
|
21
|
52
|
38
|
34
|
43
|
57
|
22
|
31
|
53
|
86
|
92
|
70
|
67
|
69
|
80
|
54
|
28
|
17
|
20
|
35
|
24
|
24
|
44
|
56
|
48
|
40
|
63
|
99
|
80
|
68
|
42
|
|
2024/09
|
44
|
53
|
38
|
46
|
52
|
48
|
41
|
45
|
49
|
42
|
43
|
27
|
26
|
30
|
38
|
25
|
42
|
36
|
24
|
30
|
30
|
24
|
30
|
42
|
63
|
58
|
63
|
33
|
39
|
45
|
|
|
2024/08
|
13
|
17
|
23
|
21
|
22
|
26
|
29
|
34
|
30
|
35
|
83
|
72
|
38
|
37
|
28
|
26
|
35
|
39
|
32
|
25
|
29
|
38
|
34
|
33
|
30
|
38
|
22
|
19
|
36
|
35
|
44
|
|
2024/07
|
25
|
23
|
25
|
16
|
17
|
18
|
19
|
22
|
23
|
23
|
35
|
37
|
19
|
26
|
34
|
33
|
23
|
19
|
16
|
18
|
20
|
23
|
25
|
41
|
32
|
23
|
15
|
10
|
9
|
16
|
18
|
|
2024/06
|
31
|
38
|
34
|
26
|
29
|
39
|
32
|
36
|
27
|
21
|
17
|
30
|
36
|
32
|
35
|
40
|
41
|
33
|
11
|
24
|
18
|
14
|
20
|
26
|
17
|
29
|
20
|
10
|
9
|
15
|
|
|
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