Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
106
*
PM2.5
121
PM10
120
O3
0.9
CO
9
SO2
30
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
15 Mar
86
Good
Mon
16 Mar
121
Light
Tue
17 Mar
84
Good
Wed
18 Mar
62
Good
Thu
19 Mar
56
Good
Fri
20 Mar
87
Good
Sat
21 Mar
24
Excellent
Air quality in the last 12 months (Changyi)
|
2026/02
|
56
|
52
|
51
|
105
|
78
|
52
|
53
|
39
|
41
|
93
|
63
|
77
|
118
|
85
|
44
|
42
|
77
|
56
|
39
|
53
|
70
|
126
|
85
|
49
|
47
|
54
|
47
|
35
|
|||
|
2026/01
|
56
|
44
|
66
|
86
|
48
|
35
|
37
|
39
|
66
|
85
|
50
|
39
|
35
|
31
|
62
|
82
|
43
|
51
|
37
|
38
|
41
|
31
|
29
|
39
|
70
|
72
|
63
|
54
|
70
|
60
|
66
|
|
2025/12
|
50
|
37
|
22
|
39
|
30
|
62
|
55
|
31
|
57
|
76
|
39
|
43
|
67
|
105
|
68
|
59
|
87
|
57
|
39
|
34
|
44
|
32
|
42
|
65
|
37
|
42
|
50
|
73
|
28
|
21
|
40
|
|
2025/11
|
50
|
33
|
46
|
58
|
88
|
97
|
40
|
63
|
35
|
39
|
143
|
92
|
49
|
123
|
156
|
52
|
126
|
44
|
35
|
45
|
49
|
53
|
116
|
295
|
500
|
267
|
64
|
37
|
41
|
49
|
|
|
2025/10
|
36
|
49
|
34
|
30
|
21
|
21
|
24
|
31
|
39
|
38
|
19
|
40
|
127
|
255
|
70
|
58
|
75
|
31
|
23
|
24
|
33
|
42
|
62
|
67
|
69
|
39
|
32
|
78
|
150
|
45
|
38
|
|
2025/09
|
21
|
31
|
26
|
30
|
31
|
22
|
24
|
24
|
26
|
24
|
22
|
40
|
48
|
34
|
17
|
25
|
23
|
22
|
21
|
27
|
27
|
20
|
27
|
21
|
27
|
24
|
23
|
24
|
30
|
32
|
|
|
2025/08
|
43
|
34
|
20
|
19
|
21
|
20
|
19
|
19
|
24
|
18
|
26
|
25
|
23
|
21
|
29
|
21
|
16
|
23
|
34
|
26
|
20
|
19
|
27
|
17
|
17
|
25
|
20
|
21
|
23
|
29
|
29
|
|
2025/07
|
19
|
16
|
18
|
16
|
20
|
17
|
24
|
28
|
33
|
32
|
31
|
34
|
31
|
24
|
19
|
10
|
19
|
17
|
18
|
20
|
18
|
21
|
15
|
15
|
25
|
37
|
21
|
25
|
21
|
14
|
15
|
|
2025/06
|
34
|
40
|
18
|
28
|
25
|
30
|
27
|
26
|
38
|
20
|
26
|
20
|
29
|
33
|
31
|
19
|
37
|
27
|
31
|
29
|
14
|
20
|
27
|
37
|
40
|
38
|
53
|
28
|
36
|
34
|
|
|
2025/05
|
29
|
20
|
23
|
19
|
31
|
26
|
39
|
41
|
54
|
27
|
38
|
49
|
49
|
48
|
39
|
32
|
27
|
32
|
20
|
28
|
46
|
39
|
25
|
33
|
32
|
32
|
38
|
35
|
42
|
38
|
49
|
|
2025/04
|
66
|
54
|
58
|
49
|
35
|
56
|
44
|
66
|
67
|
85
|
76
|
44
|
15
|
26
|
34
|
34
|
54
|
49
|
30
|
57
|
119
|
34
|
29
|
76
|
37
|
51
|
60
|
57
|
63
|
57
|
|
|
2025/03
|
58
|
27
|
47
|
30
|
44
|
71
|
53
|
66
|
87
|
73
|
63
|
97
|
42
|
40
|
39
|
54
|
80
|
79
|
71
|
84
|
60
|
69
|
43
|
89
|
91
|
63
|
40
|
27
|
21
|
39
|
60
|
|
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