Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
60
*
PM10
93
O3
0.4
CO
9
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 May
86
Good
Fri
3 May
87
Good
Sat
4 May
76
Good
Sun
5 May
71
Good
Mon
6 May
76
Good
Tue
7 May
73
Good
Air quality in the last 12 months (Chengwu)
|
2024/02
|
45
|
57
|
84
|
59
|
74
|
152
|
171
|
176
|
189
|
383
|
249
|
80
|
71
|
91
|
38
|
50
|
46
|
72
|
45
|
29
|
41
|
32
|
34
|
68
|
149
|
93
|
70
|
82
|
88
|
||
|
2024/01
|
169
|
209
|
205
|
92
|
142
|
130
|
44
|
67
|
143
|
124
|
194
|
252
|
287
|
174
|
57
|
55
|
84
|
94
|
57
|
58
|
55
|
30
|
55
|
77
|
87
|
97
|
116
|
113
|
125
|
204
|
214
|
|
2023/12
|
70
|
76
|
125
|
110
|
122
|
137
|
91
|
67
|
102
|
51
|
40
|
62
|
78
|
47
|
54
|
50
|
41
|
42
|
90
|
45
|
49
|
62
|
75
|
116
|
122
|
137
|
160
|
178
|
217
|
228
|
204
|
|
2023/11
|
64
|
65
|
130
|
85
|
35
|
49
|
51
|
80
|
123
|
38
|
52
|
62
|
58
|
86
|
122
|
93
|
58
|
66
|
97
|
151
|
101
|
148
|
111
|
43
|
50
|
83
|
96
|
107
|
66
|
42
|
|
|
2023/10
|
47
|
45
|
51
|
65
|
58
|
68
|
58
|
37
|
60
|
53
|
68
|
112
|
105
|
119
|
112
|
139
|
93
|
75
|
60
|
43
|
66
|
78
|
77
|
90
|
102
|
122
|
78
|
136
|
136
|
93
|
64
|
|
2023/09
|
51
|
70
|
63
|
61
|
70
|
75
|
64
|
51
|
52
|
60
|
62
|
57
|
48
|
49
|
54
|
52
|
46
|
50
|
35
|
31
|
36
|
42
|
45
|
30
|
42
|
43
|
44
|
46
|
39
|
52
|
|
|
2023/08
|
31
|
30
|
33
|
35
|
34
|
32
|
39
|
51
|
57
|
66
|
58
|
40
|
32
|
44
|
47
|
48
|
53
|
52
|
47
|
40
|
31
|
48
|
59
|
47
|
53
|
48
|
26
|
31
|
46
|
52
|
52
|
|
2023/07
|
61
|
47
|
24
|
31
|
51
|
42
|
37
|
67
|
61
|
37
|
36
|
27
|
29
|
50
|
59
|
51
|
54
|
41
|
32
|
23
|
25
|
37
|
38
|
42
|
45
|
38
|
36
|
22
|
17
|
17
|
27
|
|
2023/06
|
62
|
66
|
66
|
40
|
42
|
66
|
78
|
69
|
78
|
85
|
73
|
58
|
71
|
77
|
77
|
70
|
68
|
23
|
24
|
56
|
75
|
75
|
65
|
70
|
27
|
31
|
51
|
36
|
40
|
70
|
|
|
2023/05
|
81
|
67
|
44
|
16
|
24
|
56
|
51
|
47
|
52
|
62
|
61
|
56
|
58
|
67
|
64
|
60
|
49
|
75
|
46
|
73
|
95
|
49
|
57
|
46
|
47
|
61
|
60
|
17
|
44
|
47
|
60
|
|
2023/04
|
65
|
66
|
44
|
24
|
30
|
49
|
52
|
62
|
69
|
72
|
372
|
447
|
141
|
177
|
217
|
81
|
80
|
101
|
73
|
90
|
73
|
44
|
34
|
40
|
53
|
53
|
49
|
70
|
108
|
81
|
|
|
2023/03
|
111
|
78
|
94
|
118
|
108
|
80
|
90
|
107
|
116
|
60
|
164
|
77
|
91
|
73
|
138
|
76
|
42
|
60
|
71
|
81
|
126
|
209
|
386
|
126
|
88
|
104
|
104
|
89
|
68
|
64
|
64
|
|
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