Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
94
*
PM2.5
125
PM10
31
O3
1.0
CO
6
SO2
19
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
23 Mar
128
Light
Tue
24 Mar
117
Light
Wed
25 Mar
95
Good
Thu
26 Mar
105
Light
Fri
27 Mar
109
Light
Sat
28 Mar
107
Light
Sun
29 Mar
16
Excellent
Changyi Air quality rank
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