Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
12
O3
0.4
CO
3
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Aug
47
Excellent
Sat
15 Aug
62
Good
Sun
16 Aug
61
Good
Mon
17 Aug
51
Good
Tue
18 Aug
69
Good
Wed
19 Aug
49
Excellent
Thu
20 Aug
48
Excellent
Haidian Air quality rank
Air quality in the last 12 months (Haidian)
|
2026/07
|
40
|
77
|
68
|
47
|
36
|
33
|
30
|
43
|
52
|
38
|
32
|
23
|
37
|
36
|
46
|
43
|
42
|
41
|
45
|
44
|
43
|
31
|
38
|
45
|
51
|
52
|
48
|
44
|
30
|
34
|
38
|
|
2026/06
|
41
|
84
|
39
|
27
|
26
|
27
|
17
|
28
|
19
|
24
|
27
|
41
|
45
|
38
|
70
|
38
|
35
|
60
|
75
|
26
|
31
|
57
|
44
|
57
|
36
|
35
|
66
|
75
|
60
|
45
|
|
|
2026/05
|
65
|
43
|
22
|
43
|
61
|
57
|
26
|
43
|
66
|
50
|
56
|
68
|
90
|
109
|
66
|
49
|
29
|
24
|
40
|
36
|
34
|
33
|
35
|
73
|
42
|
28
|
44
|
29
|
36
|
57
|
69
|
|
2026/04
|
47
|
81
|
95
|
57
|
38
|
25
|
36
|
81
|
63
|
48
|
51
|
77
|
82
|
81
|
102
|
97
|
62
|
116
|
77
|
89
|
71
|
66
|
62
|
66
|
68
|
51
|
33
|
32
|
27
|
53
|
|
|
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
|
|
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