Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
43
*
PM2.5
52
PM10
14
O3
0.5
CO
4
SO2
55
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
10 Jan
89
Good
Sun
11 Jan
90
Good
Mon
12 Jan
85
Good
Tue
13 Jan
86
Good
Wed
14 Jan
74
Good
Thu
15 Jan
27
Excellent
Fri
16 Jan
39
Excellent
Chencang Air quality rank
Air quality in the last 12 months (Chencang)
|
2025/11
|
60
|
67
|
110
|
135
|
143
|
111
|
66
|
59
|
68
|
76
|
77
|
73
|
66
|
76
|
61
|
59
|
39
|
40
|
44
|
60
|
61
|
63
|
56
|
79
|
67
|
166
|
147
|
75
|
64
|
57
|
|
|
2025/10
|
29
|
26
|
39
|
19
|
30
|
17
|
13
|
25
|
11
|
11
|
12
|
15
|
33
|
60
|
25
|
38
|
15
|
34
|
38
|
22
|
42
|
53
|
67
|
75
|
72
|
40
|
63
|
62
|
74
|
67
|
59
|
|
2025/09
|
39
|
43
|
55
|
30
|
42
|
48
|
48
|
38
|
47
|
51
|
32
|
19
|
37
|
47
|
46
|
40
|
28
|
11
|
15
|
35
|
17
|
17
|
25
|
28
|
43
|
49
|
31
|
27
|
35
|
43
|
|
|
2025/08
|
41
|
44
|
45
|
40
|
29
|
37
|
42
|
31
|
19
|
25
|
33
|
36
|
38
|
51
|
38
|
32
|
26
|
29
|
22
|
41
|
47
|
33
|
16
|
25
|
41
|
49
|
20
|
14
|
14
|
22
|
29
|
|
2025/07
|
31
|
37
|
21
|
22
|
19
|
12
|
14
|
31
|
34
|
47
|
34
|
39
|
46
|
41
|
33
|
41
|
45
|
35
|
39
|
25
|
26
|
57
|
37
|
27
|
21
|
24
|
26
|
35
|
35
|
36
|
42
|
|
2025/06
|
49
|
43
|
44
|
36
|
33
|
48
|
34
|
39
|
48
|
41
|
52
|
45
|
46
|
50
|
74
|
50
|
51
|
51
|
46
|
45
|
32
|
32
|
31
|
38
|
30
|
30
|
30
|
28
|
35
|
22
|
|
|
2025/05
|
89
|
58
|
96
|
70
|
101
|
318
|
161
|
77
|
88
|
54
|
54
|
60
|
45
|
72
|
68
|
65
|
201
|
133
|
70
|
67
|
63
|
92
|
49
|
50
|
42
|
42
|
51
|
46
|
39
|
51
|
37
|
|
2025/04
|
92
|
90
|
89
|
109
|
97
|
81
|
68
|
82
|
104
|
92
|
135
|
403
|
138
|
70
|
57
|
155
|
96
|
171
|
126
|
79
|
73
|
119
|
84
|
62
|
69
|
54
|
41
|
48
|
61
|
106
|
|
|
2025/03
|
166
|
67
|
37
|
52
|
70
|
74
|
83
|
92
|
92
|
83
|
297
|
196
|
103
|
40
|
69
|
56
|
57
|
50
|
53
|
64
|
68
|
72
|
72
|
58
|
54
|
325
|
230
|
99
|
91
|
91
|
74
|
|
2025/02
|
225
|
129
|
46
|
65
|
65
|
63
|
101
|
52
|
72
|
103
|
119
|
136
|
127
|
86
|
64
|
77
|
93
|
111
|
137
|
127
|
135
|
145
|
101
|
66
|
83
|
76
|
80
|
95
|
|||
|
2025/01
|
107
|
84
|
113
|
115
|
82
|
87
|
82
|
80
|
71
|
79
|
74
|
98
|
105
|
76
|
65
|
78
|
108
|
119
|
113
|
116
|
159
|
218
|
246
|
213
|
69
|
77
|
92
|
121
|
248
|
257
|
234
|
|
2024/12
|
67
|
79
|
109
|
83
|
66
|
75
|
67
|
56
|
68
|
95
|
115
|
108
|
52
|
66
|
83
|
98
|
101
|
91
|
125
|
150
|
104
|
85
|
96
|
100
|
112
|
135
|
75
|
71
|
110
|
78
|
88
|
|
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