Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
13
PM2.5
36
PM10
169
O3
0.4
CO
4
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Jun
124
Light
Tue
24 Jun
131
Light
Wed
25 Jun
118
Light
Thu
26 Jun
74
Good
Fri
27 Jun
93
Good
Sat
28 Jun
116
Light
Sun
29 Jun
43
Excellent
Air quality in the last 12 months (Chengwu)
|
2025/05
|
56
|
84
|
49
|
51
|
88
|
104
|
74
|
64
|
36
|
28
|
52
|
54
|
54
|
59
|
62
|
82
|
117
|
70
|
85
|
65
|
61
|
64
|
65
|
56
|
50
|
53
|
58
|
58
|
56
|
64
|
70
|
|
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
|
|
|
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