Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
51
*
PM2.5
88
PM10
11
O3
0.5
CO
3
SO2
71
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Apr
97
Good
Sun
26 Apr
51
Good
Mon
27 Apr
40
Excellent
Tue
28 Apr
40
Excellent
Wed
29 Apr
60
Good
Thu
30 Apr
22
Excellent
Fri
1 May
21
Excellent
Air quality in the last 12 months (Haidian)
|
2026/03
|
94
|
120
|
107
|
74
|
73
|
35
|
79
|
71
|
32
|
100
|
56
|
95
|
90
|
52
|
64
|
64
|
152
|
30
|
58
|
62
|
75
|
71
|
112
|
146
|
177
|
169
|
34
|
84
|
71
|
25
|
59
|
|
2026/02
|
44
|
32
|
73
|
83
|
35
|
19
|
20
|
36
|
77
|
80
|
47
|
70
|
86
|
66
|
25
|
27
|
61
|
29
|
62
|
78
|
140
|
36
|
34
|
64
|
105
|
85
|
38
|
68
|
|||
|
2026/01
|
29
|
44
|
55
|
59
|
47
|
38
|
30
|
59
|
76
|
33
|
35
|
57
|
38
|
65
|
107
|
46
|
30
|
40
|
17
|
21
|
26
|
39
|
49
|
42
|
39
|
70
|
34
|
67
|
74
|
116
|
95
|
|
2025/12
|
23
|
17
|
35
|
31
|
55
|
86
|
48
|
34
|
58
|
75
|
56
|
43
|
30
|
45
|
61
|
52
|
104
|
181
|
129
|
16
|
35
|
66
|
43
|
24
|
25
|
50
|
66
|
90
|
33
|
23
|
22
|
|
2025/11
|
30
|
22
|
59
|
78
|
166
|
175
|
84
|
62
|
27
|
43
|
77
|
91
|
30
|
61
|
79
|
24
|
16
|
26
|
56
|
32
|
73
|
67
|
86
|
48
|
34
|
68
|
30
|
68
|
92
|
91
|
|
|
2025/10
|
47
|
49
|
44
|
47
|
44
|
19
|
45
|
23
|
8
|
12
|
17
|
37
|
51
|
45
|
71
|
68
|
25
|
12
|
15
|
21
|
31
|
49
|
71
|
95
|
135
|
25
|
39
|
98
|
182
|
142
|
56
|
|
2025/09
|
21
|
40
|
45
|
51
|
49
|
25
|
32
|
33
|
52
|
44
|
53
|
60
|
50
|
30
|
25
|
22
|
21
|
28
|
33
|
44
|
48
|
28
|
50
|
57
|
41
|
50
|
53
|
43
|
38
|
41
|
|
|
2025/08
|
45
|
51
|
28
|
33
|
28
|
35
|
22
|
36
|
15
|
24
|
42
|
43
|
23
|
32
|
43
|
18
|
34
|
32
|
22
|
22
|
32
|
22
|
19
|
16
|
22
|
24
|
22
|
14
|
37
|
30
|
28
|
|
2025/07
|
36
|
32
|
25
|
29
|
17
|
12
|
36
|
34
|
48
|
29
|
48
|
49
|
18
|
38
|
49
|
42
|
16
|
37
|
61
|
22
|
26
|
39
|
33
|
26
|
24
|
45
|
38
|
27
|
7
|
16
|
36
|
|
2025/06
|
65
|
19
|
14
|
27
|
57
|
36
|
28
|
51
|
47
|
29
|
57
|
74
|
64
|
49
|
14
|
17
|
44
|
64
|
36
|
29
|
22
|
38
|
55
|
58
|
61
|
59
|
62
|
47
|
64
|
51
|
|
|
2025/05
|
27
|
36
|
22
|
51
|
50
|
29
|
71
|
97
|
32
|
43
|
59
|
74
|
82
|
29
|
45
|
64
|
51
|
45
|
56
|
95
|
73
|
63
|
47
|
36
|
59
|
57
|
46
|
56
|
68
|
67
|
83
|
|
2025/04
|
45
|
23
|
65
|
67
|
24
|
69
|
56
|
45
|
53
|
76
|
109
|
87
|
57
|
57
|
57
|
99
|
58
|
24
|
43
|
66
|
79
|
26
|
52
|
32
|
56
|
85
|
23
|
59
|
61
|
44
|
|
|
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