Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
80
*
PM2.5
89
PM10
57
O3
0.6
CO
4
SO2
18
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
18 Mar
125
Light
Thu
19 Mar
99
Good
Fri
20 Mar
123
Light
Sat
21 Mar
108
Light
Sun
22 Mar
111
Light
Mon
23 Mar
18
Excellent
Tue
24 Mar
46
Excellent
Air quality in the last 12 months (Chengwu)
|
2026/02
|
119
|
160
|
136
|
116
|
172
|
62
|
59
|
63
|
60
|
86
|
134
|
94
|
116
|
105
|
109
|
50
|
134
|
89
|
89
|
69
|
60
|
324
|
101
|
46
|
55
|
71
|
121
|
119
|
|||
|
2026/01
|
44
|
67
|
101
|
114
|
248
|
129
|
61
|
64
|
69
|
93
|
53
|
71
|
111
|
188
|
110
|
117
|
66
|
52
|
50
|
33
|
51
|
78
|
110
|
153
|
186
|
154
|
203
|
116
|
110
|
123
|
126
|
|
2025/12
|
129
|
80
|
55
|
94
|
102
|
124
|
100
|
78
|
79
|
99
|
153
|
44
|
68
|
81
|
65
|
146
|
186
|
157
|
198
|
167
|
75
|
42
|
79
|
99
|
68
|
52
|
83
|
114
|
174
|
166
|
72
|
|
2025/11
|
110
|
88
|
59
|
81
|
99
|
73
|
66
|
99
|
77
|
71
|
60
|
76
|
111
|
165
|
173
|
153
|
42
|
54
|
62
|
88
|
156
|
100
|
87
|
116
|
53
|
107
|
236
|
124
|
103
|
140
|
|
|
2025/10
|
30
|
9
|
24
|
33
|
15
|
14
|
40
|
51
|
14
|
15
|
20
|
21
|
27
|
38
|
43
|
50
|
27
|
39
|
42
|
43
|
43
|
61
|
80
|
78
|
88
|
97
|
106
|
91
|
69
|
80
|
193
|
|
2025/09
|
24
|
34
|
39
|
45
|
48
|
33
|
50
|
23
|
24
|
37
|
27
|
19
|
43
|
31
|
25
|
16
|
22
|
22
|
13
|
27
|
42
|
28
|
18
|
25
|
38
|
35
|
25
|
20
|
38
|
36
|
|
|
2025/08
|
26
|
25
|
24
|
35
|
34
|
29
|
31
|
30
|
20
|
23
|
20
|
21
|
26
|
29
|
31
|
25
|
32
|
33
|
34
|
24
|
26
|
28
|
20
|
34
|
38
|
36
|
33
|
36
|
31
|
38
|
23
|
|
2025/07
|
24
|
30
|
20
|
25
|
31
|
35
|
39
|
34
|
23
|
50
|
55
|
37
|
40
|
41
|
40
|
42
|
35
|
35
|
44
|
33
|
21
|
24
|
23
|
28
|
29
|
29
|
27
|
27
|
19
|
33
|
35
|
|
2025/06
|
48
|
48
|
58
|
69
|
65
|
63
|
70
|
84
|
60
|
59
|
58
|
47
|
44
|
53
|
48
|
47
|
49
|
44
|
21
|
30
|
46
|
35
|
43
|
46
|
59
|
29
|
32
|
23
|
12
|
17
|
|
|
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
|
|
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