Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
9
PM2.5
54
*
PM10
104
O3
0.2
CO
4
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
8 Apr
57
Good
Thu
9 Apr
49
Excellent
Fri
10 Apr
74
Good
Sat
11 Apr
99
Good
Sun
12 Apr
73
Good
Mon
13 Apr
64
Good
Tue
14 Apr
29
Excellent
Air quality in the last 12 months (Changyi)
|
2026/02
|
200
|
152
|
97
|
140
|
154
|
36
|
42
|
54
|
66
|
68
|
133
|
111
|
109
|
120
|
70
|
64
|
212
|
76
|
78
|
75
|
84
|
106
|
59
|
52
|
69
|
62
|
81
|
84
|
|||
|
2026/01
|
38
|
41
|
90
|
196
|
101
|
135
|
67
|
50
|
84
|
81
|
39
|
71
|
74
|
86
|
159
|
117
|
40
|
32
|
31
|
34
|
41
|
55
|
98
|
147
|
77
|
76
|
94
|
123
|
105
|
49
|
122
|
|
2025/12
|
60
|
31
|
47
|
52
|
46
|
105
|
108
|
49
|
91
|
87
|
58
|
27
|
50
|
65
|
77
|
104
|
62
|
68
|
124
|
84
|
34
|
47
|
53
|
72
|
32
|
38
|
65
|
110
|
127
|
58
|
32
|
|
2025/11
|
86
|
39
|
31
|
56
|
63
|
50
|
82
|
86
|
86
|
60
|
75
|
82
|
75
|
73
|
149
|
104
|
37
|
50
|
56
|
61
|
63
|
100
|
121
|
138
|
43
|
80
|
111
|
105
|
133
|
158
|
|
|
2025/10
|
53
|
22
|
14
|
31
|
8
|
11
|
36
|
36
|
25
|
12
|
21
|
21
|
29
|
54
|
25
|
42
|
42
|
22
|
26
|
27
|
32
|
33
|
40
|
45
|
67
|
75
|
44
|
68
|
51
|
39
|
47
|
|
2025/09
|
28
|
38
|
33
|
32
|
31
|
34
|
49
|
63
|
54
|
51
|
37
|
27
|
34
|
48
|
47
|
30
|
17
|
22
|
14
|
35
|
44
|
39
|
42
|
36
|
51
|
59
|
45
|
38
|
72
|
76
|
|
|
2025/08
|
12
|
22
|
16
|
23
|
30
|
22
|
27
|
29
|
8
|
17
|
28
|
31
|
31
|
33
|
24
|
25
|
14
|
34
|
37
|
37
|
36
|
34
|
31
|
27
|
44
|
22
|
27
|
23
|
18
|
16
|
15
|
|
2025/07
|
33
|
30
|
33
|
31
|
35
|
35
|
42
|
20
|
25
|
35
|
41
|
33
|
40
|
25
|
25
|
22
|
26
|
28
|
32
|
24
|
16
|
15
|
15
|
18
|
24
|
23
|
23
|
20
|
20
|
23
|
22
|
|
2025/06
|
47
|
34
|
42
|
33
|
52
|
59
|
59
|
47
|
53
|
22
|
30
|
36
|
24
|
19
|
26
|
35
|
39
|
49
|
21
|
17
|
35
|
50
|
45
|
39
|
53
|
64
|
51
|
49
|
20
|
24
|
|
|
2025/05
|
66
|
53
|
40
|
43
|
31
|
44
|
53
|
48
|
27
|
38
|
51
|
63
|
60
|
63
|
39
|
61
|
63
|
47
|
76
|
76
|
62
|
61
|
40
|
53
|
42
|
56
|
49
|
50
|
49
|
52
|
57
|
|
2025/04
|
70
|
37
|
34
|
54
|
53
|
60
|
95
|
95
|
51
|
54
|
67
|
108
|
60
|
57
|
52
|
71
|
112
|
63
|
36
|
49
|
47
|
52
|
46
|
71
|
62
|
69
|
58
|
59
|
63
|
84
|
|
|
2025/03
|
49
|
46
|
48
|
46
|
37
|
66
|
48
|
108
|
113
|
98
|
68
|
104
|
51
|
58
|
58
|
45
|
49
|
34
|
48
|
57
|
57
|
66
|
89
|
112
|
106
|
108
|
105
|
54
|
41
|
58
|
69
|
|
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