Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
43
PM2.5
72
*
PM10
80
O3
0.6
CO
5
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Jun
126
Light
Wed
4 Jun
126
Light
Thu
5 Jun
137
Light
Fri
6 Jun
141
Light
Sat
7 Jun
124
Light
Sun
8 Jun
130
Light
Mon
9 Jun
43
Excellent
Air quality in the last 12 months (Chengwu)
|
2025/04
|
71
|
52
|
55
|
73
|
78
|
78
|
81
|
89
|
95
|
94
|
75
|
187
|
84
|
60
|
60
|
77
|
99
|
88
|
45
|
62
|
52
|
71
|
85
|
73
|
64
|
60
|
62
|
52
|
53
|
76
|
|
|
2025/03
|
157
|
40
|
36
|
41
|
63
|
84
|
79
|
86
|
101
|
99
|
114
|
156
|
100
|
61
|
70
|
44
|
52
|
49
|
60
|
57
|
54
|
68
|
91
|
188
|
140
|
95
|
108
|
138
|
57
|
58
|
76
|
|
2025/02
|
111
|
147
|
134
|
67
|
57
|
76
|
69
|
41
|
59
|
70
|
103
|
135
|
102
|
82
|
90
|
74
|
63
|
74
|
77
|
62
|
70
|
102
|
78
|
51
|
73
|
103
|
105
|
111
|
|||
|
2025/01
|
152
|
128
|
108
|
171
|
144
|
63
|
63
|
62
|
52
|
60
|
94
|
79
|
92
|
157
|
60
|
70
|
90
|
113
|
129
|
119
|
176
|
195
|
109
|
160
|
125
|
83
|
43
|
60
|
221
|
126
|
105
|
|
2024/12
|
86
|
82
|
71
|
123
|
171
|
175
|
88
|
53
|
60
|
109
|
117
|
88
|
99
|
87
|
70
|
88
|
101
|
45
|
60
|
95
|
61
|
54
|
78
|
111
|
160
|
132
|
73
|
78
|
73
|
105
|
115
|
|
2024/11
|
138
|
87
|
111
|
75
|
55
|
68
|
58
|
48
|
57
|
71
|
132
|
132
|
112
|
83
|
91
|
75
|
56
|
49
|
45
|
64
|
103
|
110
|
67
|
54
|
51
|
46
|
58
|
53
|
51
|
68
|
|
|
2024/10
|
44
|
32
|
43
|
51
|
48
|
54
|
90
|
75
|
84
|
104
|
64
|
96
|
88
|
110
|
131
|
97
|
51
|
16
|
31
|
34
|
55
|
79
|
81
|
65
|
92
|
80
|
128
|
109
|
130
|
134
|
121
|
|
2024/09
|
42
|
35
|
38
|
43
|
46
|
29
|
44
|
42
|
38
|
41
|
32
|
31
|
49
|
53
|
39
|
51
|
44
|
12
|
39
|
44
|
21
|
33
|
49
|
46
|
55
|
67
|
76
|
45
|
44
|
30
|
|
|
2024/08
|
23
|
18
|
25
|
25
|
15
|
10
|
26
|
17
|
34
|
59
|
94
|
44
|
42
|
46
|
35
|
46
|
44
|
37
|
16
|
27
|
39
|
39
|
46
|
53
|
53
|
38
|
20
|
33
|
39
|
34
|
42
|
|
2024/07
|
35
|
34
|
33
|
16
|
22
|
16
|
21
|
15
|
32
|
64
|
56
|
46
|
61
|
41
|
34
|
13
|
20
|
28
|
22
|
12
|
26
|
27
|
28
|
39
|
41
|
28
|
18
|
11
|
17
|
20
|
21
|
|
2024/06
|
51
|
79
|
93
|
84
|
74
|
67
|
56
|
61
|
56
|
61
|
54
|
58
|
66
|
58
|
55
|
48
|
41
|
48
|
52
|
55
|
45
|
50
|
72
|
104
|
88
|
55
|
58
|
43
|
24
|
28
|
|
|
2024/05
|
50
|
50
|
53
|
47
|
64
|
70
|
61
|
57
|
56
|
66
|
190
|
110
|
89
|
74
|
76
|
63
|
68
|
66
|
60
|
64
|
53
|
47
|
46
|
64
|
66
|
58
|
41
|
46
|
55
|
69
|
90
|
|
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