Air Quality
Excellent
No health implications.
2
PM2.5
7
PM10
59
O3
0.3
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Aug
58
Good
Thu
14 Aug
63
Good
Fri
15 Aug
55
Good
Sat
16 Aug
68
Good
Sun
17 Aug
78
Good
Mon
18 Aug
46
Excellent
Tue
19 Aug
24
Excellent
Air quality in the last 12 months (Yidu)
|
2025/06
|
12
|
23
|
32
|
37
|
41
|
46
|
34
|
20
|
24
|
32
|
28
|
26
|
35
|
33
|
31
|
42
|
34
|
18
|
12
|
13
|
14
|
23
|
23
|
27
|
18
|
17
|
31
|
26
|
23
|
22
|
|
|
2025/05
|
57
|
71
|
60
|
43
|
43
|
170
|
145
|
32
|
31
|
54
|
48
|
56
|
70
|
55
|
47
|
40
|
57
|
98
|
68
|
52
|
49
|
25
|
46
|
62
|
66
|
64
|
61
|
42
|
47
|
33
|
21
|
|
2025/04
|
59
|
63
|
66
|
58
|
66
|
70
|
66
|
61
|
58
|
47
|
44
|
268
|
167
|
141
|
88
|
80
|
76
|
72
|
61
|
63
|
58
|
68
|
75
|
64
|
68
|
73
|
54
|
56
|
54
|
33
|
|
|
2025/03
|
147
|
104
|
27
|
41
|
48
|
45
|
80
|
89
|
66
|
59
|
83
|
74
|
62
|
57
|
38
|
47
|
53
|
46
|
45
|
46
|
50
|
58
|
54
|
56
|
49
|
60
|
113
|
55
|
68
|
63
|
64
|
|
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
|
|
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