Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
53
PM2.5
129
*
PM10
89
O3
0.5
CO
9
SO2
23
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 May
100
Good
Sat
3 May
72
Good
Sun
4 May
86
Good
Mon
5 May
89
Good
Tue
6 May
87
Good
Wed
7 May
20
Excellent
Thu
8 May
31
Excellent
Air quality in the last 12 months (Chencang)
|
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
|
|
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
|
|
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