Air Quality
Excellent
No health implications.
13
PM2.5
26
PM10
26
O3
0.6
CO
3
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jan
80
Good
Mon
26 Jan
99
Good
Tue
27 Jan
50
Excellent
Wed
28 Jan
67
Good
Thu
29 Jan
48
Excellent
Fri
30 Jan
79
Good
Sat
31 Jan
31
Excellent
Air quality in the last 12 months (Dongcheng)
|
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
|
|||
|
2025/01
|
42
|
19
|
37
|
56
|
47
|
15
|
12
|
16
|
15
|
21
|
32
|
34
|
51
|
23
|
27
|
47
|
68
|
82
|
38
|
59
|
43
|
58
|
74
|
116
|
132
|
105
|
23
|
21
|
107
|
67
|
75
|
|
2024/12
|
56
|
14
|
38
|
36
|
17
|
25
|
17
|
29
|
48
|
33
|
35
|
69
|
30
|
26
|
33
|
34
|
18
|
17
|
43
|
39
|
20
|
27
|
41
|
75
|
70
|
29
|
21
|
39
|
63
|
70
|
48
|
|
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