Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
59
O3
0.1
CO
2
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
70
Good
Wed
4 Jun
81
Good
Thu
5 Jun
107
Light
Fri
6 Jun
71
Good
Sat
7 Jun
99
Good
Sun
8 Jun
20
Excellent
Mon
9 Jun
21
Excellent
Air quality in the last 12 months (Dongcheng)
|
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
|
|
2024/11
|
159
|
159
|
70
|
11
|
42
|
61
|
105
|
150
|
163
|
135
|
84
|
104
|
86
|
55
|
81
|
44
|
31
|
44
|
57
|
72
|
25
|
34
|
51
|
90
|
45
|
11
|
17
|
20
|
31
|
48
|
|
|
2024/10
|
8
|
14
|
31
|
64
|
86
|
87
|
22
|
28
|
93
|
19
|
58
|
93
|
127
|
148
|
46
|
47
|
60
|
42
|
8
|
35
|
55
|
24
|
45
|
73
|
175
|
231
|
22
|
45
|
106
|
132
|
141
|
|
2024/09
|
24
|
11
|
33
|
64
|
18
|
24
|
29
|
31
|
71
|
12
|
23
|
23
|
33
|
20
|
29
|
43
|
26
|
40
|
47
|
31
|
7
|
15
|
36
|
57
|
48
|
39
|
46
|
57
|
75
|
8
|
|
|
2024/08
|
18
|
37
|
35
|
30
|
13
|
37
|
50
|
32
|
54
|
23
|
20
|
8
|
14
|
26
|
48
|
49
|
40
|
27
|
25
|
14
|
14
|
22
|
45
|
25
|
33
|
15
|
16
|
29
|
40
|
51
|
52
|
|
2024/07
|
26
|
41
|
38
|
67
|
83
|
31
|
34
|
34
|
68
|
75
|
77
|
50
|
57
|
84
|
56
|
40
|
18
|
26
|
49
|
33
|
44
|
31
|
58
|
40
|
22
|
22
|
29
|
27
|
39
|
13
|
27
|
|
2024/06
|
34
|
43
|
55
|
55
|
61
|
65
|
52
|
50
|
45
|
53
|
39
|
51
|
55
|
33
|
27
|
50
|
65
|
62
|
67
|
66
|
47
|
94
|
160
|
21
|
34
|
64
|
61
|
59
|
63
|
46
|
|
|
2024/05
|
46
|
64
|
63
|
77
|
92
|
61
|
51
|
73
|
74
|
95
|
123
|
41
|
58
|
63
|
30
|
61
|
74
|
82
|
58
|
26
|
44
|
82
|
66
|
36
|
27
|
21
|
36
|
53
|
65
|
42
|
13
|
|
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