Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
66
PM2.5
356
*
PM10
80
O3
0.3
CO
7
SO2
7
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
22 Feb
134
Light
Mon
23 Feb
92
Good
Tue
24 Feb
85
Good
Wed
25 Feb
89
Good
Thu
26 Feb
116
Light
Fri
27 Feb
20
Excellent
Sat
28 Feb
38
Excellent
Changzi Air quality rank
Air quality in the last 12 months (Changzi)
|
2026/01
|
89
|
130
|
108
|
105
|
111
|
31
|
49
|
58
|
64
|
82
|
52
|
70
|
71
|
64
|
71
|
77
|
78
|
94
|
91
|
75
|
65
|
84
|
69
|
87
|
197
|
142
|
113
|
107
|
215
|
158
|
113
|
|
2025/12
|
100
|
72
|
35
|
54
|
63
|
63
|
62
|
72
|
85
|
94
|
85
|
57
|
56
|
71
|
85
|
90
|
78
|
74
|
91
|
48
|
61
|
80
|
96
|
82
|
38
|
54
|
62
|
64
|
57
|
87
|
61
|
|
2025/11
|
44
|
56
|
69
|
87
|
83
|
107
|
61
|
50
|
69
|
63
|
64
|
67
|
62
|
62
|
60
|
56
|
32
|
31
|
40
|
56
|
51
|
58
|
74
|
89
|
68
|
144
|
161
|
82
|
70
|
65
|
|
|
2025/10
|
50
|
27
|
43
|
52
|
36
|
15
|
30
|
27
|
18
|
22
|
25
|
19
|
32
|
52
|
63
|
53
|
26
|
28
|
48
|
47
|
59
|
49
|
67
|
96
|
39
|
59
|
45
|
67
|
55
|
91
|
61
|
|
2025/09
|
44
|
42
|
30
|
33
|
30
|
53
|
68
|
64
|
46
|
45
|
27
|
38
|
47
|
48
|
44
|
35
|
23
|
24
|
27
|
37
|
35
|
26
|
34
|
36
|
48
|
47
|
37
|
40
|
52
|
56
|
|
|
2025/08
|
49
|
50
|
50
|
47
|
35
|
35
|
47
|
53
|
28
|
37
|
42
|
51
|
51
|
52
|
40
|
25
|
50
|
39
|
42
|
48
|
31
|
44
|
46
|
41
|
38
|
37
|
43
|
30
|
36
|
46
|
44
|
|
2025/07
|
21
|
29
|
30
|
34
|
22
|
36
|
34
|
44
|
48
|
47
|
67
|
55
|
60
|
56
|
46
|
53
|
51
|
45
|
50
|
43
|
33
|
43
|
31
|
23
|
29
|
36
|
40
|
39
|
47
|
45
|
49
|
|
2025/06
|
59
|
49
|
29
|
36
|
41
|
43
|
55
|
58
|
63
|
36
|
52
|
51
|
47
|
34
|
36
|
32
|
30
|
45
|
39
|
55
|
54
|
50
|
44
|
43
|
50
|
45
|
54
|
39
|
51
|
38
|
|
|
2025/05
|
52
|
72
|
52
|
50
|
154
|
85
|
98
|
88
|
57
|
46
|
46
|
48
|
57
|
52
|
50
|
52
|
88
|
62
|
60
|
60
|
70
|
68
|
64
|
38
|
46
|
50
|
57
|
54
|
58
|
55
|
48
|
|
2025/04
|
53
|
56
|
60
|
70
|
50
|
65
|
84
|
79
|
60
|
49
|
74
|
180
|
68
|
37
|
45
|
102
|
109
|
96
|
72
|
61
|
67
|
72
|
83
|
52
|
62
|
70
|
68
|
52
|
47
|
88
|
|
|
2025/03
|
115
|
73
|
42
|
61
|
77
|
91
|
84
|
76
|
75
|
89
|
76
|
106
|
101
|
82
|
60
|
34
|
35
|
39
|
44
|
40
|
45
|
58
|
95
|
201
|
152
|
117
|
113
|
123
|
38
|
43
|
51
|
|
2025/02
|
180
|
124
|
33
|
30
|
26
|
60
|
47
|
31
|
44
|
64
|
82
|
69
|
51
|
52
|
59
|
58
|
63
|
72
|
61
|
97
|
127
|
147
|
59
|
53
|
60
|
56
|
76
|
71
|
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1
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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
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12
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13
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14
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15
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16
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19
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20
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21
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22
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23
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24
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25
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26
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27
|
28
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution