Air Quality
Excellent
No health implications.
12
PM2.5
31
PM10
82
O3
0.4
CO
3
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
58
Good
Mon
23 Mar
50
Excellent
Tue
24 Mar
78
Good
Wed
25 Mar
97
Good
Thu
26 Mar
121
Light
Fri
27 Mar
39
Excellent
Sat
28 Mar
37
Excellent
Air quality in the last 12 months (Dongcheng)
|
2026/02
|
42
|
27
|
75
|
92
|
41
|
18
|
18
|
33
|
82
|
86
|
39
|
70
|
85
|
80
|
25
|
26
|
77
|
31
|
62
|
84
|
142
|
33
|
34
|
72
|
113
|
79
|
38
|
69
|
|||
|
2026/01
|
25
|
46
|
50
|
58
|
52
|
42
|
28
|
54
|
81
|
36
|
32
|
58
|
32
|
64
|
110
|
46
|
30
|
41
|
18
|
22
|
26
|
35
|
50
|
40
|
39
|
70
|
35
|
63
|
70
|
111
|
88
|
|
2025/12
|
26
|
19
|
32
|
31
|
58
|
85
|
55
|
27
|
58
|
74
|
58
|
43
|
31
|
47
|
71
|
52
|
108
|
194
|
139
|
17
|
31
|
72
|
46
|
20
|
25
|
54
|
64
|
102
|
31
|
24
|
21
|
|
2025/11
|
47
|
15
|
59
|
79
|
175
|
169
|
79
|
65
|
27
|
44
|
82
|
97
|
24
|
57
|
79
|
29
|
19
|
24
|
49
|
32
|
74
|
64
|
86
|
50
|
34
|
71
|
31
|
74
|
94
|
97
|
|
|
2025/10
|
46
|
49
|
45
|
48
|
46
|
18
|
49
|
23
|
9
|
14
|
17
|
35
|
54
|
45
|
74
|
70
|
27
|
11
|
15
|
17
|
25
|
50
|
69
|
100
|
137
|
26
|
35
|
101
|
188
|
152
|
51
|
|
2025/09
|
21
|
41
|
40
|
54
|
45
|
25
|
34
|
24
|
52
|
40
|
53
|
58
|
48
|
31
|
24
|
20
|
18
|
22
|
31
|
40
|
47
|
24
|
48
|
59
|
42
|
44
|
50
|
39
|
36
|
38
|
|
|
2025/08
|
46
|
49
|
31
|
32
|
28
|
36
|
22
|
35
|
12
|
24
|
38
|
43
|
23
|
30
|
41
|
21
|
34
|
31
|
21
|
24
|
33
|
22
|
23
|
15
|
22
|
22
|
22
|
13
|
41
|
33
|
25
|
|
2025/07
|
26
|
30
|
22
|
36
|
22
|
10
|
31
|
33
|
43
|
29
|
49
|
47
|
14
|
38
|
43
|
34
|
13
|
36
|
55
|
22
|
27
|
39
|
32
|
23
|
24
|
45
|
33
|
31
|
7
|
14
|
35
|
|
2025/06
|
66
|
18
|
11
|
22
|
54
|
34
|
27
|
49
|
45
|
28
|
55
|
72
|
63
|
42
|
13
|
14
|
39
|
63
|
35
|
28
|
18
|
33
|
52
|
58
|
60
|
58
|
60
|
44
|
57
|
44
|
|
|
2025/05
|
31
|
42
|
21
|
50
|
52
|
23
|
75
|
100
|
32
|
42
|
59
|
74
|
87
|
31
|
46
|
65
|
52
|
47
|
53
|
94
|
73
|
65
|
49
|
37
|
56
|
59
|
47
|
54
|
64
|
65
|
73
|
|
2025/04
|
44
|
22
|
61
|
70
|
24
|
74
|
62
|
44
|
55
|
81
|
116
|
90
|
62
|
59
|
53
|
94
|
57
|
24
|
46
|
71
|
93
|
21
|
51
|
29
|
55
|
89
|
24
|
61
|
58
|
45
|
|
|
2025/03
|
236
|
78
|
34
|
48
|
82
|
17
|
85
|
117
|
154
|
145
|
212
|
62
|
109
|
66
|
50
|
18
|
30
|
36
|
41
|
34
|
29
|
49
|
107
|
80
|
51
|
79
|
50
|
28
|
21
|
43
|
66
|
|
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