Air Quality
Excellent
No health implications.
24
PM2.5
49
PM10
155
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
96
Good
Mon
5 May
59
Good
Tue
6 May
91
Good
Wed
7 May
89
Good
Thu
8 May
57
Good
Fri
9 May
60
Good
Sat
10 May
21
Excellent
Air quality in the last 12 months (Yixiu)
|
2025/02
|
64
|
48
|
97
|
77
|
61
|
44
|
83
|
41
|
41
|
57
|
75
|
95
|
78
|
63
|
97
|
100
|
81
|
55
|
66
|
69
|
39
|
56
|
87
|
110
|
94
|
108
|
66
|
50
|
|||
|
2025/01
|
112
|
125
|
216
|
144
|
124
|
91
|
46
|
51
|
57
|
40
|
71
|
83
|
82
|
88
|
70
|
58
|
59
|
69
|
92
|
126
|
123
|
174
|
214
|
95
|
38
|
36
|
54
|
72
|
226
|
93
|
104
|
|
2024/12
|
55
|
59
|
135
|
81
|
65
|
67
|
106
|
58
|
59
|
77
|
89
|
98
|
75
|
67
|
66
|
74
|
83
|
107
|
42
|
81
|
88
|
60
|
87
|
96
|
148
|
123
|
100
|
91
|
87
|
95
|
100
|
|
2024/11
|
34
|
50
|
53
|
58
|
41
|
49
|
45
|
52
|
57
|
43
|
47
|
55
|
52
|
66
|
77
|
61
|
16
|
27
|
37
|
51
|
37
|
63
|
68
|
54
|
37
|
45
|
49
|
60
|
52
|
51
|
|
|
2024/10
|
19
|
37
|
24
|
33
|
45
|
18
|
11
|
33
|
44
|
54
|
60
|
68
|
71
|
59
|
42
|
38
|
36
|
28
|
18
|
37
|
48
|
32
|
47
|
49
|
44
|
25
|
20
|
60
|
66
|
46
|
34
|
|
2024/09
|
47
|
45
|
41
|
44
|
43
|
36
|
50
|
53
|
42
|
36
|
21
|
17
|
37
|
26
|
32
|
25
|
35
|
26
|
32
|
17
|
21
|
29
|
30
|
40
|
45
|
63
|
36
|
31
|
43
|
45
|
|
|
2024/08
|
18
|
21
|
27
|
28
|
35
|
30
|
28
|
33
|
40
|
38
|
37
|
49
|
34
|
19
|
25
|
32
|
42
|
41
|
33
|
18
|
32
|
32
|
33
|
40
|
47
|
50
|
25
|
11
|
27
|
34
|
44
|
|
2024/07
|
16
|
15
|
20
|
23
|
23
|
24
|
26
|
26
|
32
|
28
|
36
|
36
|
13
|
24
|
39
|
46
|
27
|
26
|
25
|
25
|
27
|
27
|
36
|
34
|
23
|
23
|
11
|
14
|
17
|
24
|
26
|
|
2024/06
|
27
|
41
|
33
|
42
|
36
|
31
|
31
|
36
|
46
|
27
|
24
|
30
|
28
|
28
|
35
|
53
|
32
|
37
|
20
|
19
|
27
|
13
|
19
|
25
|
29
|
33
|
17
|
12
|
22
|
18
|
|
|
2024/05
|
28
|
40
|
41
|
22
|
27
|
30
|
39
|
48
|
54
|
59
|
45
|
92
|
76
|
61
|
67
|
53
|
73
|
60
|
81
|
78
|
41
|
31
|
39
|
34
|
44
|
25
|
15
|
22
|
34
|
29
|
31
|
|
2024/04
|
44
|
19
|
33
|
44
|
45
|
45
|
42
|
17
|
38
|
53
|
55
|
54
|
61
|
39
|
40
|
55
|
32
|
44
|
32
|
38
|
34
|
42
|
67
|
122
|
72
|
41
|
63
|
36
|
18
|
28
|
|
|
2024/03
|
61
|
56
|
41
|
40
|
55
|
78
|
93
|
76
|
65
|
80
|
79
|
84
|
90
|
97
|
101
|
98
|
75
|
69
|
73
|
75
|
67
|
57
|
46
|
40
|
25
|
43
|
55
|
37
|
44
|
49
|
63
|
|
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