Air Quality
Excellent
No health implications.
25
PM2.5
41
PM10
34
O3
0.6
CO
3
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
90
Good
Thu
22 May
91
Good
Fri
23 May
68
Good
Sat
24 May
92
Good
Sun
25 May
96
Good
Mon
26 May
39
Excellent
Tue
27 May
30
Excellent
Air quality in the last 12 months (Fengtai)
|
2025/04
|
59
|
61
|
56
|
65
|
84
|
76
|
62
|
69
|
80
|
95
|
85
|
239
|
116
|
72
|
54
|
65
|
75
|
74
|
68
|
60
|
58
|
74
|
83
|
88
|
65
|
63
|
56
|
69
|
61
|
57
|
|
|
2025/03
|
72
|
70
|
39
|
65
|
76
|
77
|
65
|
83
|
97
|
90
|
103
|
137
|
116
|
43
|
52
|
54
|
44
|
48
|
52
|
54
|
47
|
58
|
64
|
90
|
70
|
64
|
111
|
123
|
140
|
80
|
66
|
|
2025/02
|
113
|
85
|
120
|
89
|
55
|
50
|
70
|
42
|
52
|
61
|
75
|
101
|
74
|
73
|
97
|
87
|
58
|
65
|
83
|
56
|
54
|
81
|
99
|
59
|
64
|
107
|
88
|
89
|
|||
|
2025/01
|
101
|
171
|
147
|
142
|
132
|
80
|
56
|
65
|
46
|
57
|
76
|
82
|
103
|
122
|
61
|
67
|
100
|
98
|
142
|
157
|
141
|
184
|
105
|
58
|
37
|
75
|
49
|
88
|
169
|
80
|
138
|
|
2024/12
|
73
|
115
|
92
|
93
|
108
|
144
|
117
|
58
|
70
|
87
|
108
|
113
|
97
|
80
|
63
|
83
|
111
|
80
|
66
|
80
|
86
|
64
|
95
|
115
|
140
|
157
|
111
|
87
|
64
|
86
|
123
|
|
2024/11
|
69
|
133
|
86
|
98
|
63
|
71
|
50
|
47
|
55
|
60
|
55
|
63
|
75
|
91
|
89
|
66
|
38
|
38
|
28
|
41
|
49
|
94
|
61
|
48
|
53
|
49
|
68
|
59
|
46
|
65
|
|
|
2024/10
|
30
|
53
|
47
|
39
|
34
|
17
|
17
|
38
|
50
|
63
|
79
|
70
|
66
|
50
|
63
|
60
|
42
|
21
|
40
|
46
|
55
|
60
|
58
|
56
|
50
|
59
|
99
|
148
|
102
|
58
|
50
|
|
2024/09
|
43
|
44
|
35
|
37
|
51
|
45
|
47
|
44
|
30
|
37
|
51
|
23
|
24
|
48
|
43
|
49
|
19
|
36
|
28
|
21
|
31
|
28
|
42
|
48
|
56
|
51
|
32
|
41
|
43
|
51
|
|
|
2024/08
|
15
|
17
|
22
|
24
|
23
|
22
|
25
|
33
|
34
|
37
|
74
|
57
|
54
|
24
|
27
|
24
|
25
|
33
|
31
|
20
|
36
|
34
|
36
|
38
|
45
|
41
|
15
|
17
|
27
|
32
|
37
|
|
2024/07
|
18
|
23
|
26
|
11
|
20
|
19
|
22
|
22
|
15
|
32
|
30
|
20
|
21
|
21
|
15
|
33
|
25
|
16
|
19
|
16
|
18
|
21
|
26
|
38
|
27
|
24
|
13
|
12
|
11
|
16
|
19
|
|
2024/06
|
51
|
53
|
63
|
63
|
57
|
43
|
39
|
53
|
56
|
39
|
36
|
44
|
46
|
51
|
50
|
58
|
48
|
46
|
35
|
48
|
17
|
30
|
31
|
39
|
59
|
53
|
51
|
16
|
10
|
16
|
|
|
2024/05
|
54
|
49
|
51
|
51
|
50
|
48
|
60
|
49
|
53
|
54
|
69
|
131
|
97
|
68
|
70
|
49
|
60
|
65
|
53
|
53
|
49
|
46
|
50
|
55
|
56
|
59
|
39
|
42
|
53
|
54
|
57
|
|
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