Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
52
*
PM2.5
81
PM10
6
O3
1.3
CO
14
SO2
88
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Jan
90
Good
Fri
10 Jan
88
Good
Sat
11 Jan
80
Good
Sun
12 Jan
91
Good
Mon
13 Jan
90
Good
Tue
14 Jan
17
Excellent
Wed
15 Jan
39
Excellent
Air quality in the last 12 months (Chengguan)
|
2024/12
|
89
|
73
|
74
|
57
|
65
|
65
|
48
|
58
|
63
|
69
|
75
|
61
|
63
|
87
|
119
|
125
|
105
|
71
|
79
|
84
|
80
|
119
|
115
|
92
|
112
|
83
|
56
|
89
|
92
|
89
|
106
|
|
2024/11
|
63
|
60
|
65
|
70
|
73
|
74
|
71
|
70
|
61
|
74
|
62
|
61
|
64
|
83
|
77
|
56
|
53
|
48
|
58
|
77
|
83
|
99
|
83
|
48
|
50
|
72
|
84
|
75
|
88
|
95
|
|
|
2024/10
|
40
|
50
|
41
|
44
|
49
|
55
|
57
|
58
|
55
|
59
|
53
|
47
|
60
|
58
|
48
|
41
|
54
|
53
|
56
|
51
|
47
|
51
|
67
|
53
|
48
|
52
|
70
|
75
|
63
|
44
|
52
|
|
2024/09
|
45
|
45
|
38
|
35
|
23
|
26
|
36
|
47
|
32
|
36
|
38
|
42
|
29
|
43
|
48
|
38
|
52
|
54
|
47
|
44
|
41
|
46
|
45
|
57
|
45
|
43
|
56
|
54
|
36
|
33
|
|
|
2024/08
|
44
|
29
|
37
|
39
|
41
|
35
|
33
|
35
|
74
|
40
|
40
|
45
|
38
|
35
|
42
|
34
|
36
|
41
|
43
|
41
|
44
|
47
|
40
|
41
|
34
|
53
|
35
|
35
|
36
|
34
|
57
|
|
2024/07
|
32
|
39
|
38
|
49
|
39
|
52
|
48
|
36
|
59
|
66
|
62
|
67
|
47
|
29
|
23
|
33
|
35
|
42
|
32
|
105
|
274
|
77
|
54
|
100
|
69
|
54
|
47
|
45
|
33
|
40
|
41
|
|
2024/06
|
52
|
41
|
43
|
41
|
47
|
31
|
37
|
39
|
43
|
46
|
44
|
51
|
50
|
46
|
49
|
34
|
36
|
51
|
55
|
38
|
37
|
50
|
44
|
55
|
49
|
39
|
36
|
30
|
44
|
35
|
|
|
2024/05
|
46
|
31
|
34
|
54
|
63
|
71
|
62
|
48
|
42
|
63
|
52
|
49
|
43
|
55
|
109
|
73
|
74
|
55
|
74
|
76
|
52
|
47
|
59
|
145
|
66
|
56
|
48
|
37
|
33
|
35
|
60
|
|
2024/04
|
74
|
86
|
70
|
59
|
59
|
58
|
59
|
62
|
51
|
54
|
61
|
61
|
58
|
401
|
152
|
93
|
62
|
43
|
51
|
45
|
44
|
60
|
153
|
61
|
53
|
71
|
63
|
376
|
44
|
50
|
|
|
2024/03
|
90
|
86
|
79
|
67
|
72
|
69
|
202
|
104
|
93
|
77
|
80
|
77
|
64
|
73
|
207
|
166
|
87
|
93
|
92
|
78
|
77
|
73
|
88
|
39
|
59
|
47
|
48
|
60
|
100
|
231
|
106
|
|
2024/02
|
89
|
96
|
88
|
102
|
96
|
62
|
68
|
94
|
86
|
135
|
80
|
77
|
77
|
55
|
58
|
65
|
105
|
296
|
113
|
281
|
161
|
109
|
114
|
188
|
148
|
96
|
107
|
94
|
65
|
||
|
2024/01
|
90
|
87
|
95
|
98
|
91
|
99
|
113
|
113
|
89
|
99
|
113
|
110
|
91
|
85
|
92
|
106
|
113
|
103
|
97
|
103
|
50
|
56
|
57
|
69
|
74
|
75
|
84
|
99
|
106
|
100
|
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