Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
28
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Sep
40
Excellent
Wed
2 Sep
42
Excellent
Thu
3 Sep
40
Excellent
Fri
4 Sep
40
Excellent
Sat
5 Sep
51
Good
Sun
6 Sep
15
Excellent
Mon
7 Sep
46
Excellent
Air quality in the last 12 months (Chaoyang)
|
2026/07
|
38
|
42
|
34
|
33
|
31
|
29
|
28
|
24
|
28
|
28
|
21
|
19
|
21
|
19
|
32
|
22
|
34
|
46
|
31
|
26
|
38
|
43
|
38
|
28
|
29
|
36
|
43
|
47
|
44
|
46
|
35
|
|
2026/06
|
35
|
40
|
20
|
24
|
25
|
24
|
22
|
22
|
25
|
25
|
31
|
33
|
46
|
40
|
37
|
34
|
27
|
39
|
39
|
35
|
22
|
28
|
35
|
42
|
34
|
43
|
49
|
48
|
45
|
47
|
|
|
2026/05
|
43
|
31
|
31
|
38
|
99
|
27
|
30
|
30
|
38
|
33
|
45
|
49
|
48
|
57
|
49
|
40
|
41
|
33
|
38
|
32
|
35
|
38
|
34
|
41
|
38
|
31
|
33
|
33
|
29
|
26
|
67
|
|
2026/04
|
73
|
122
|
250
|
47
|
46
|
38
|
32
|
150
|
63
|
58
|
33
|
68
|
34
|
46
|
63
|
70
|
46
|
46
|
95
|
182
|
54
|
29
|
43
|
89
|
57
|
30
|
34
|
31
|
34
|
37
|
|
|
2026/03
|
77
|
94
|
125
|
50
|
59
|
34
|
51
|
72
|
54
|
70
|
59
|
79
|
85
|
49
|
166
|
118
|
215
|
58
|
63
|
161
|
194
|
154
|
127
|
99
|
143
|
144
|
76
|
122
|
105
|
58
|
140
|
|
2026/02
|
68
|
69
|
69
|
98
|
83
|
39
|
52
|
47
|
64
|
86
|
61
|
112
|
145
|
97
|
39
|
45
|
101
|
48
|
50
|
66
|
79
|
221
|
74
|
42
|
94
|
42
|
43
|
48
|
|||
|
2026/01
|
51
|
65
|
92
|
94
|
46
|
46
|
36
|
47
|
57
|
67
|
52
|
44
|
33
|
54
|
53
|
74
|
54
|
52
|
39
|
46
|
45
|
40
|
39
|
56
|
63
|
82
|
62
|
66
|
67
|
82
|
73
|
|
2025/12
|
66
|
33
|
24
|
38
|
42
|
54
|
57
|
38
|
60
|
84
|
36
|
53
|
84
|
105
|
73
|
55
|
72
|
76
|
68
|
37
|
39
|
41
|
56
|
63
|
34
|
55
|
62
|
99
|
28
|
30
|
47
|
|
2025/11
|
82
|
32
|
37
|
94
|
154
|
77
|
154
|
194
|
55
|
64
|
150
|
105
|
41
|
105
|
146
|
64
|
136
|
60
|
46
|
41
|
64
|
96
|
127
|
227
|
170
|
187
|
46
|
54
|
55
|
52
|
|
|
2025/10
|
48
|
56
|
49
|
39
|
20
|
26
|
35
|
23
|
40
|
45
|
42
|
33
|
119
|
142
|
55
|
63
|
81
|
33
|
25
|
22
|
35
|
47
|
41
|
56
|
89
|
35
|
35
|
64
|
205
|
50
|
50
|
|
2025/09
|
33
|
36
|
35
|
32
|
35
|
18
|
20
|
22
|
29
|
31
|
39
|
39
|
40
|
36
|
12
|
26
|
19
|
34
|
23
|
36
|
27
|
24
|
30
|
19
|
23
|
23
|
35
|
30
|
43
|
45
|
|
|
2025/08
|
26
|
33
|
16
|
16
|
21
|
19
|
16
|
28
|
19
|
16
|
24
|
31
|
28
|
22
|
37
|
27
|
14
|
27
|
29
|
25
|
19
|
17
|
28
|
17
|
22
|
21
|
22
|
17
|
19
|
37
|
34
|
|
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