Air Quality
Excellent
No health implications.
3
PM2.5
16
PM10
54
O3
0.4
CO
2
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
46
Excellent
Tue
24 Feb
68
Good
Wed
25 Feb
97
Good
Thu
26 Feb
68
Good
Fri
27 Feb
57
Good
Sat
28 Feb
26
Excellent
Sun
1 Mar
31
Excellent
Air quality in the last 12 months (Dongcheng)
|
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
|
|
2025/02
|
84
|
53
|
11
|
18
|
23
|
61
|
26
|
16
|
19
|
70
|
138
|
22
|
81
|
61
|
94
|
31
|
19
|
34
|
23
|
18
|
19
|
17
|
22
|
49
|
46
|
52
|
112
|
139
|
|||
|
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