Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
44
O3
0.3
CO
4
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
65
Good
Fri
9 May
79
Good
Sat
10 May
77
Good
Sun
11 May
98
Good
Mon
12 May
99
Good
Tue
13 May
90
Good
Wed
14 May
31
Excellent
Air quality in the last 12 months (Yidu)
|
2025/02
|
56
|
58
|
65
|
56
|
57
|
56
|
93
|
64
|
60
|
69
|
94
|
102
|
91
|
78
|
76
|
69
|
80
|
54
|
77
|
100
|
95
|
77
|
75
|
86
|
102
|
93
|
70
|
77
|
|||
|
2025/01
|
136
|
132
|
148
|
191
|
65
|
82
|
69
|
90
|
84
|
79
|
97
|
85
|
134
|
135
|
73
|
80
|
93
|
120
|
120
|
121
|
164
|
209
|
229
|
127
|
26
|
32
|
46
|
69
|
177
|
132
|
120
|
|
2024/12
|
74
|
94
|
86
|
60
|
41
|
55
|
50
|
63
|
78
|
61
|
51
|
83
|
84
|
49
|
70
|
80
|
91
|
96
|
60
|
93
|
88
|
60
|
61
|
82
|
136
|
118
|
141
|
81
|
104
|
161
|
140
|
|
2024/11
|
70
|
72
|
82
|
67
|
69
|
72
|
71
|
82
|
94
|
65
|
73
|
87
|
70
|
67
|
68
|
44
|
15
|
17
|
25
|
36
|
42
|
45
|
63
|
78
|
35
|
42
|
47
|
46
|
49
|
57
|
|
|
2024/10
|
33
|
51
|
55
|
49
|
60
|
53
|
34
|
51
|
59
|
67
|
70
|
64
|
56
|
59
|
64
|
57
|
32
|
28
|
35
|
46
|
38
|
50
|
48
|
51
|
54
|
52
|
55
|
66
|
94
|
83
|
65
|
|
2024/09
|
44
|
44
|
42
|
55
|
53
|
35
|
37
|
41
|
43
|
41
|
39
|
27
|
33
|
57
|
33
|
35
|
28
|
29
|
24
|
27
|
38
|
41
|
47
|
55
|
64
|
71
|
78
|
88
|
80
|
44
|
|
|
2024/08
|
22
|
26
|
24
|
22
|
26
|
20
|
23
|
28
|
34
|
39
|
76
|
55
|
34
|
38
|
40
|
34
|
23
|
29
|
20
|
38
|
33
|
31
|
34
|
36
|
36
|
42
|
22
|
22
|
30
|
40
|
48
|
|
2024/07
|
27
|
26
|
34
|
24
|
24
|
20
|
19
|
22
|
25
|
22
|
33
|
36
|
21
|
22
|
26
|
28
|
25
|
23
|
16
|
21
|
19
|
23
|
27
|
33
|
29
|
25
|
19
|
14
|
15
|
19
|
17
|
|
2024/06
|
46
|
45
|
46
|
29
|
25
|
50
|
49
|
48
|
36
|
37
|
42
|
29
|
27
|
40
|
42
|
45
|
32
|
34
|
34
|
45
|
47
|
17
|
30
|
33
|
37
|
40
|
42
|
20
|
28
|
32
|
|
|
2024/05
|
30
|
43
|
36
|
34
|
47
|
43
|
61
|
60
|
70
|
79
|
65
|
71
|
72
|
65
|
73
|
63
|
60
|
60
|
52
|
26
|
39
|
43
|
57
|
57
|
51
|
33
|
42
|
43
|
39
|
29
|
51
|
|
2024/04
|
46
|
30
|
60
|
61
|
54
|
46
|
56
|
54
|
47
|
52
|
49
|
40
|
50
|
50
|
52
|
48
|
40
|
55
|
43
|
57
|
61
|
64
|
57
|
86
|
51
|
59
|
61
|
49
|
43
|
23
|
|
|
2024/03
|
90
|
80
|
65
|
73
|
93
|
98
|
89
|
109
|
89
|
85
|
79
|
68
|
84
|
94
|
123
|
115
|
109
|
51
|
71
|
91
|
78
|
69
|
66
|
42
|
33
|
44
|
65
|
62
|
48
|
48
|
50
|
|
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