Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
50
*
PM2.5
81
PM10
88
O3
0.6
CO
11
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Feb
95
Good
Sun
22 Feb
130
Light
Mon
23 Feb
61
Good
Tue
24 Feb
58
Good
Wed
25 Feb
55
Good
Thu
26 Feb
30
Excellent
Fri
27 Feb
34
Excellent
Changyi Air quality rank
Air quality in the last 12 months (Changyi)
|
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
|
|
2025/02
|
49
|
88
|
52
|
32
|
38
|
57
|
54
|
30
|
42
|
72
|
60
|
102
|
75
|
78
|
94
|
73
|
42
|
42
|
50
|
54
|
50
|
41
|
58
|
47
|
72
|
82
|
126
|
140
|
|||
|
1
|
2
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3
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4
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5
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6
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7
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8
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9
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10
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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