Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
147
*
PM2.5
156
PM10
12
O3
1.5
CO
10
SO2
71
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
19 Dec
123
Light
Fri
20 Dec
90
Good
Sat
21 Dec
84
Good
Sun
22 Dec
96
Good
Mon
23 Dec
112
Light
Tue
24 Dec
118
Light
Wed
25 Dec
15
Excellent
Chencang Air quality rank
Air quality in the last 12 months (Chencang)
|
2024/11
|
104
|
49
|
80
|
74
|
83
|
125
|
161
|
176
|
176
|
143
|
126
|
192
|
152
|
68
|
81
|
50
|
34
|
25
|
72
|
53
|
63
|
103
|
155
|
94
|
39
|
63
|
72
|
73
|
67
|
68
|
|
|
2024/10
|
35
|
42
|
60
|
72
|
105
|
88
|
56
|
131
|
74
|
49
|
68
|
126
|
116
|
72
|
55
|
88
|
115
|
57
|
41
|
34
|
34
|
29
|
53
|
95
|
120
|
56
|
48
|
46
|
84
|
132
|
117
|
|
2024/09
|
44
|
50
|
47
|
43
|
24
|
42
|
22
|
43
|
30
|
40
|
52
|
50
|
33
|
25
|
56
|
44
|
55
|
54
|
44
|
38
|
24
|
38
|
57
|
72
|
66
|
62
|
105
|
96
|
42
|
30
|
|
|
2024/08
|
38
|
43
|
24
|
29
|
37
|
46
|
28
|
35
|
43
|
74
|
58
|
44
|
40
|
48
|
20
|
28
|
33
|
25
|
31
|
39
|
30
|
44
|
52
|
61
|
70
|
29
|
28
|
43
|
46
|
50
|
44
|
|
2024/07
|
24
|
30
|
28
|
26
|
25
|
34
|
28
|
25
|
26
|
41
|
26
|
29
|
31
|
36
|
46
|
31
|
12
|
24
|
34
|
26
|
35
|
39
|
28
|
57
|
74
|
64
|
60
|
50
|
36
|
25
|
39
|
|
2024/06
|
63
|
45
|
50
|
38
|
43
|
65
|
45
|
31
|
32
|
41
|
40
|
42
|
46
|
50
|
58
|
36
|
29
|
29
|
37
|
42
|
19
|
32
|
40
|
42
|
60
|
52
|
31
|
37
|
41
|
41
|
|
|
2024/05
|
46
|
64
|
40
|
45
|
38
|
55
|
59
|
71
|
39
|
51
|
73
|
61
|
65
|
62
|
76
|
57
|
61
|
53
|
27
|
38
|
41
|
47
|
49
|
52
|
49
|
36
|
52
|
72
|
58
|
55
|
68
|
|
2024/04
|
91
|
86
|
78
|
108
|
96
|
89
|
65
|
63
|
72
|
26
|
50
|
63
|
58
|
54
|
83
|
82
|
73
|
91
|
183
|
147
|
106
|
76
|
280
|
158
|
76
|
56
|
61
|
66
|
50
|
28
|
|
|
2024/03
|
71
|
55
|
82
|
118
|
102
|
74
|
109
|
89
|
87
|
89
|
71
|
73
|
66
|
91
|
97
|
189
|
123
|
86
|
115
|
109
|
94
|
99
|
123
|
55
|
46
|
82
|
92
|
67
|
54
|
70
|
89
|
|
2024/02
|
207
|
92
|
120
|
119
|
121
|
134
|
160
|
153
|
157
|
167
|
110
|
138
|
145
|
85
|
64
|
84
|
98
|
376
|
389
|
106
|
50
|
86
|
104
|
139
|
147
|
147
|
139
|
162
|
116
|
||
|
2024/01
|
135
|
103
|
92
|
99
|
86
|
98
|
92
|
129
|
120
|
102
|
110
|
154
|
215
|
94
|
152
|
112
|
122
|
120
|
106
|
89
|
64
|
38
|
69
|
94
|
96
|
106
|
105
|
126
|
151
|
174
|
217
|
|
2023/12
|
92
|
116
|
148
|
124
|
99
|
217
|
113
|
84
|
123
|
152
|
69
|
80
|
53
|
45
|
60
|
68
|
64
|
103
|
131
|
101
|
82
|
120
|
164
|
193
|
185
|
155
|
186
|
261
|
240
|
149
|
98
|
|
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