Air Quality
Excellent
No health implications.
30
PM2.5
35
PM10
93
O3
0.5
CO
8
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Mar
57
Good
Mon
9 Mar
78
Good
Tue
10 Mar
86
Good
Wed
11 Mar
80
Good
Thu
12 Mar
94
Good
Fri
13 Mar
79
Good
Sat
14 Mar
44
Excellent
Chengguan Air quality rank
Air quality in the last 12 months (Chengguan)
|
2026/02
|
94
|
86
|
86
|
83
|
69
|
73
|
67
|
75
|
96
|
108
|
77
|
73
|
89
|
75
|
94
|
61
|
68
|
52
|
46
|
49
|
190
|
422
|
111
|
75
|
97
|
81
|
87
|
85
|
|||
|
2026/01
|
78
|
79
|
84
|
69
|
54
|
68
|
78
|
75
|
65
|
66
|
79
|
100
|
80
|
104
|
79
|
103
|
99
|
79
|
55
|
54
|
63
|
67
|
96
|
141
|
500
|
471
|
218
|
163
|
121
|
92
|
105
|
|
2025/12
|
90
|
65
|
69
|
73
|
82
|
100
|
76
|
70
|
84
|
87
|
99
|
86
|
73
|
81
|
97
|
88
|
88
|
97
|
63
|
48
|
85
|
92
|
50
|
53
|
56
|
69
|
88
|
105
|
94
|
104
|
72
|
|
2025/11
|
68
|
67
|
58
|
60
|
26
|
24
|
103
|
82
|
86
|
60
|
60
|
65
|
64
|
65
|
72
|
65
|
43
|
49
|
64
|
77
|
79
|
83
|
136
|
66
|
70
|
123
|
143
|
71
|
74
|
85
|
|
|
2025/10
|
32
|
37
|
52
|
63
|
57
|
45
|
37
|
32
|
41
|
33
|
31
|
33
|
50
|
51
|
51
|
54
|
39
|
50
|
56
|
52
|
41
|
39
|
28
|
39
|
48
|
42
|
60
|
62
|
67
|
64
|
67
|
|
2025/09
|
40
|
62
|
62
|
61
|
61
|
97
|
79
|
67
|
57
|
51
|
41
|
44
|
63
|
70
|
133
|
76
|
33
|
26
|
40
|
36
|
48
|
60
|
39
|
50
|
41
|
42
|
44
|
44
|
49
|
51
|
|
|
2025/08
|
52
|
39
|
41
|
27
|
38
|
47
|
37
|
23
|
38
|
52
|
47
|
38
|
48
|
39
|
45
|
46
|
34
|
33
|
40
|
99
|
27
|
35
|
31
|
43
|
37
|
26
|
37
|
32
|
37
|
50
|
49
|
|
2025/07
|
51
|
54
|
48
|
36
|
36
|
31
|
37
|
29
|
41
|
37
|
33
|
30
|
34
|
41
|
52
|
55
|
48
|
51
|
75
|
34
|
42
|
36
|
41
|
40
|
38
|
44
|
43
|
39
|
42
|
35
|
58
|
|
2025/06
|
43
|
46
|
42
|
37
|
42
|
41
|
53
|
55
|
40
|
46
|
48
|
52
|
68
|
43
|
66
|
47
|
54
|
57
|
40
|
46
|
47
|
29
|
37
|
37
|
35
|
45
|
34
|
41
|
52
|
38
|
|
|
2025/05
|
58
|
135
|
112
|
122
|
112
|
155
|
109
|
43
|
48
|
49
|
48
|
58
|
81
|
41
|
49
|
55
|
192
|
56
|
60
|
57
|
65
|
57
|
45
|
40
|
38
|
53
|
50
|
36
|
41
|
107
|
75
|
|
2025/04
|
115
|
114
|
93
|
119
|
80
|
67
|
70
|
87
|
128
|
72
|
127
|
380
|
108
|
75
|
67
|
182
|
93
|
255
|
157
|
138
|
92
|
78
|
62
|
57
|
54
|
48
|
66
|
49
|
57
|
94
|
|
|
2025/03
|
90
|
58
|
68
|
84
|
61
|
65
|
72
|
82
|
82
|
72
|
215
|
101
|
103
|
63
|
47
|
59
|
50
|
43
|
55
|
64
|
62
|
66
|
63
|
76
|
110
|
403
|
75
|
81
|
63
|
90
|
78
|
|
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