Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
75
*
PM2.5
93
PM10
65
O3
0.6
CO
7
SO2
29
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
62
Good
Sun
28 Apr
56
Good
Mon
29 Apr
64
Good
Tue
30 Apr
59
Good
Wed
1 May
72
Good
Thu
2 May
64
Good
Air quality in the last 12 months (Changtu)
|
2024/02
|
96
|
111
|
104
|
102
|
94
|
107
|
101
|
119
|
179
|
262
|
77
|
57
|
86
|
43
|
46
|
55
|
47
|
32
|
39
|
38
|
37
|
45
|
62
|
85
|
142
|
69
|
68
|
100
|
74
|
||
|
2024/01
|
91
|
129
|
111
|
55
|
36
|
50
|
24
|
34
|
85
|
61
|
54
|
52
|
45
|
50
|
52
|
48
|
71
|
65
|
71
|
48
|
38
|
36
|
69
|
70
|
67
|
84
|
71
|
79
|
74
|
123
|
82
|
|
2023/12
|
43
|
41
|
40
|
74
|
93
|
67
|
37
|
85
|
27
|
27
|
35
|
55
|
65
|
64
|
49
|
31
|
34
|
79
|
71
|
62
|
74
|
71
|
88
|
112
|
89
|
63
|
60
|
96
|
79
|
97
|
60
|
|
2023/11
|
51
|
64
|
29
|
58
|
138
|
58
|
37
|
50
|
51
|
34
|
55
|
66
|
57
|
74
|
78
|
44
|
27
|
45
|
38
|
37
|
72
|
71
|
25
|
26
|
37
|
55
|
85
|
37
|
32
|
38
|
|
|
2023/10
|
31
|
36
|
47
|
32
|
28
|
40
|
40
|
42
|
38
|
42
|
49
|
51
|
59
|
57
|
49
|
42
|
42
|
40
|
33
|
24
|
31
|
46
|
70
|
75
|
81
|
44
|
71
|
103
|
112
|
63
|
93
|
|
2023/09
|
32
|
40
|
38
|
40
|
25
|
38
|
31
|
49
|
37
|
41
|
38
|
27
|
23
|
29
|
39
|
44
|
57
|
43
|
19
|
25
|
27
|
36
|
28
|
30
|
31
|
32
|
45
|
34
|
34
|
27
|
|
|
2023/08
|
44
|
36
|
39
|
38
|
19
|
16
|
16
|
26
|
23
|
24
|
21
|
20
|
15
|
25
|
27
|
30
|
32
|
40
|
37
|
39
|
32
|
27
|
26
|
28
|
19
|
23
|
29
|
26
|
17
|
21
|
24
|
|
2023/07
|
40
|
58
|
45
|
33
|
45
|
60
|
43
|
31
|
31
|
29
|
34
|
35
|
33
|
25
|
24
|
15
|
21
|
44
|
72
|
83
|
56
|
37
|
24
|
30
|
34
|
38
|
32
|
22
|
24
|
22
|
33
|
|
2023/06
|
51
|
33
|
32
|
33
|
38
|
44
|
41
|
34
|
32
|
29
|
29
|
37
|
39
|
60
|
72
|
69
|
79
|
72
|
76
|
33
|
35
|
39
|
36
|
64
|
43
|
37
|
34
|
61
|
42
|
51
|
|
|
2023/05
|
41
|
61
|
53
|
44
|
43
|
33
|
46
|
55
|
44
|
44
|
41
|
56
|
49
|
44
|
56
|
71
|
30
|
27
|
41
|
282
|
106
|
37
|
44
|
60
|
66
|
56
|
48
|
49
|
30
|
33
|
43
|
|
2023/04
|
86
|
80
|
80
|
136
|
332
|
104
|
70
|
55
|
100
|
91
|
313
|
151
|
255
|
77
|
120
|
79
|
70
|
80
|
84
|
85
|
103
|
50
|
48
|
54
|
54
|
32
|
49
|
43
|
35
|
40
|
|
|
2023/03
|
73
|
72
|
67
|
59
|
103
|
107
|
120
|
56
|
75
|
127
|
118
|
43
|
69
|
82
|
72
|
47
|
135
|
97
|
114
|
99
|
93
|
317
|
183
|
49
|
65
|
56
|
83
|
95
|
90
|
93
|
102
|
|
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