Air Quality
Excellent
No health implications.
12
PM2.5
45
PM10
63
O3
0.3
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Dec
51
Good
Sun
29 Dec
95
Good
Mon
30 Dec
57
Good
Tue
31 Dec
47
Excellent
Wed
1 Jan
29
Excellent
Thu
2 Jan
40
Excellent
Fri
3 Jan
48
Excellent
Haidian Air quality rank
Air quality in the last 12 months (Haidian)
|
2024/11
|
151
|
143
|
67
|
14
|
44
|
60
|
93
|
152
|
175
|
132
|
78
|
101
|
88
|
54
|
77
|
46
|
30
|
44
|
58
|
70
|
23
|
36
|
52
|
83
|
41
|
9
|
15
|
17
|
33
|
55
|
|
|
2024/10
|
8
|
18
|
35
|
66
|
85
|
89
|
28
|
33
|
86
|
20
|
51
|
87
|
129
|
127
|
42
|
47
|
60
|
44
|
11
|
38
|
54
|
24
|
44
|
62
|
160
|
219
|
26
|
49
|
99
|
118
|
160
|
|
2024/09
|
23
|
14
|
33
|
67
|
18
|
20
|
26
|
28
|
59
|
14
|
25
|
30
|
38
|
21
|
35
|
44
|
28
|
43
|
53
|
28
|
8
|
16
|
38
|
59
|
45
|
40
|
49
|
57
|
72
|
9
|
|
|
2024/08
|
18
|
33
|
31
|
29
|
14
|
38
|
48
|
37
|
45
|
23
|
22
|
8
|
15
|
29
|
47
|
42
|
37
|
23
|
23
|
13
|
15
|
24
|
39
|
27
|
34
|
14
|
18
|
31
|
41
|
51
|
56
|
|
2024/07
|
25
|
39
|
39
|
63
|
80
|
32
|
36
|
33
|
68
|
75
|
80
|
43
|
59
|
86
|
60
|
46
|
17
|
28
|
47
|
33
|
49
|
31
|
55
|
45
|
16
|
19
|
26
|
26
|
38
|
12
|
20
|
|
2024/06
|
30
|
46
|
54
|
60
|
62
|
67
|
55
|
49
|
39
|
46
|
36
|
50
|
56
|
33
|
23
|
56
|
71
|
68
|
68
|
62
|
52
|
93
|
169
|
22
|
34
|
66
|
64
|
60
|
63
|
46
|
|
|
2024/05
|
49
|
65
|
64
|
77
|
88
|
67
|
58
|
70
|
73
|
94
|
105
|
42
|
54
|
61
|
27
|
61
|
60
|
81
|
63
|
31
|
47
|
73
|
75
|
36
|
28
|
18
|
38
|
55
|
69
|
44
|
17
|
|
2024/04
|
79
|
87
|
79
|
71
|
76
|
95
|
44
|
88
|
62
|
65
|
113
|
159
|
81
|
62
|
92
|
63
|
97
|
92
|
67
|
53
|
87
|
96
|
20
|
55
|
99
|
122
|
95
|
25
|
26
|
24
|
|
|
2024/03
|
40
|
87
|
56
|
57
|
72
|
57
|
57
|
25
|
65
|
113
|
74
|
48
|
68
|
67
|
110
|
117
|
43
|
112
|
87
|
59
|
94
|
70
|
88
|
83
|
82
|
112
|
151
|
213
|
103
|
50
|
87
|
|
2024/02
|
41
|
59
|
79
|
112
|
93
|
52
|
30
|
33
|
56
|
41
|
82
|
101
|
137
|
62
|
29
|
69
|
93
|
90
|
39
|
25
|
23
|
22
|
37
|
65
|
55
|
79
|
78
|
72
|
28
|
||
|
2024/01
|
102
|
99
|
40
|
67
|
49
|
19
|
30
|
65
|
50
|
55
|
88
|
118
|
77
|
26
|
46
|
79
|
121
|
98
|
68
|
59
|
21
|
21
|
21
|
31
|
35
|
42
|
42
|
59
|
94
|
124
|
66
|
|
2023/12
|
44
|
55
|
66
|
82
|
97
|
125
|
198
|
170
|
82
|
53
|
46
|
84
|
106
|
74
|
20
|
21
|
36
|
70
|
37
|
21
|
25
|
46
|
51
|
58
|
85
|
59
|
50
|
71
|
137
|
180
|
28
|
|
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