Air Quality
Excellent
No health implications.
4
PM2.5
19
PM10
15
O3
0.4
CO
2
SO2
35
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
63
Good
Mon
22 Dec
101
Light
Tue
23 Dec
72
Good
Wed
24 Dec
50
Excellent
Thu
25 Dec
52
Good
Fri
26 Dec
45
Excellent
Sat
27 Dec
47
Excellent
Air quality in the last 12 months (Daxing)
|
2025/11
|
41
|
19
|
62
|
80
|
169
|
147
|
60
|
65
|
34
|
57
|
90
|
93
|
29
|
64
|
82
|
33
|
17
|
33
|
60
|
34
|
73
|
75
|
95
|
55
|
33
|
71
|
30
|
76
|
101
|
96
|
|
|
2025/10
|
52
|
51
|
47
|
54
|
56
|
17
|
50
|
23
|
8
|
13
|
17
|
37
|
50
|
42
|
73
|
66
|
28
|
12
|
16
|
21
|
31
|
54
|
68
|
94
|
136
|
26
|
40
|
111
|
165
|
151
|
73
|
|
2025/09
|
24
|
42
|
42
|
52
|
53
|
26
|
37
|
32
|
54
|
43
|
52
|
52
|
46
|
34
|
30
|
22
|
20
|
26
|
38
|
44
|
55
|
29
|
50
|
54
|
48
|
51
|
54
|
44
|
43
|
46
|
|
|
2025/08
|
47
|
49
|
31
|
32
|
28
|
38
|
27
|
35
|
15
|
28
|
41
|
46
|
22
|
33
|
43
|
21
|
35
|
36
|
23
|
23
|
30
|
22
|
20
|
14
|
22
|
26
|
24
|
12
|
38
|
25
|
26
|
|
2025/07
|
27
|
31
|
24
|
44
|
23
|
12
|
36
|
34
|
44
|
27
|
48
|
47
|
20
|
40
|
44
|
35
|
17
|
39
|
56
|
20
|
29
|
37
|
33
|
24
|
22
|
43
|
37
|
30
|
8
|
15
|
34
|
|
2025/06
|
66
|
31
|
12
|
29
|
58
|
40
|
33
|
50
|
49
|
33
|
57
|
72
|
64
|
49
|
15
|
16
|
42
|
64
|
38
|
29
|
26
|
43
|
55
|
65
|
63
|
60
|
63
|
51
|
58
|
44
|
|
|
2025/05
|
33
|
44
|
25
|
54
|
54
|
31
|
77
|
92
|
33
|
43
|
57
|
74
|
80
|
32
|
44
|
66
|
55
|
51
|
62
|
101
|
74
|
61
|
53
|
34
|
57
|
59
|
56
|
60
|
67
|
68
|
76
|
|
2025/04
|
49
|
22
|
64
|
79
|
26
|
71
|
58
|
45
|
56
|
77
|
107
|
103
|
58
|
47
|
53
|
98
|
68
|
38
|
51
|
69
|
84
|
25
|
55
|
33
|
57
|
91
|
38
|
62
|
58
|
49
|
|
|
2025/03
|
226
|
75
|
36
|
51
|
79
|
21
|
85
|
114
|
147
|
138
|
195
|
72
|
115
|
71
|
51
|
18
|
32
|
37
|
46
|
36
|
31
|
51
|
108
|
84
|
45
|
81
|
55
|
32
|
23
|
46
|
68
|
|
2025/02
|
80
|
55
|
12
|
21
|
26
|
63
|
22
|
14
|
23
|
78
|
130
|
28
|
74
|
68
|
91
|
29
|
24
|
41
|
25
|
24
|
21
|
19
|
23
|
54
|
51
|
54
|
118
|
147
|
|||
|
2025/01
|
51
|
24
|
41
|
63
|
56
|
20
|
17
|
16
|
17
|
32
|
37
|
36
|
60
|
28
|
33
|
48
|
75
|
91
|
42
|
69
|
52
|
59
|
71
|
112
|
130
|
104
|
18
|
28
|
146
|
75
|
77
|
|
2024/12
|
67
|
17
|
53
|
62
|
28
|
29
|
15
|
34
|
57
|
41
|
43
|
78
|
31
|
29
|
38
|
44
|
20
|
19
|
59
|
44
|
19
|
32
|
49
|
77
|
79
|
31
|
21
|
40
|
68
|
67
|
55
|
|
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