Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
84
O3
0.3
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
79
Good
Fri
17 Jul
60
Good
Sat
18 Jul
54
Good
Sun
19 Jul
78
Good
Mon
20 Jul
88
Good
Tue
21 Jul
82
Good
Wed
22 Jul
18
Excellent
Air quality in the last 12 months (Yidu)
|
2026/06
|
46
|
32
|
42
|
49
|
70
|
54
|
35
|
21
|
27
|
36
|
39
|
31
|
26
|
38
|
44
|
45
|
52
|
44
|
22
|
30
|
26
|
18
|
21
|
21
|
25
|
35
|
42
|
46
|
49
|
28
|
|
|
2026/05
|
48
|
39
|
33
|
37
|
39
|
43
|
26
|
33
|
37
|
46
|
56
|
108
|
32
|
36
|
43
|
37
|
23
|
15
|
18
|
25
|
34
|
50
|
49
|
37
|
21
|
21
|
26
|
27
|
36
|
36
|
41
|
|
2026/04
|
48
|
41
|
29
|
54
|
61
|
53
|
54
|
62
|
40
|
34
|
30
|
48
|
44
|
37
|
50
|
49
|
51
|
47
|
50
|
97
|
36
|
25
|
28
|
50
|
55
|
60
|
52
|
26
|
31
|
38
|
|
|
2026/03
|
21
|
23
|
36
|
70
|
74
|
104
|
84
|
55
|
62
|
69
|
66
|
89
|
79
|
76
|
28
|
19
|
31
|
32
|
72
|
89
|
57
|
64
|
61
|
52
|
51
|
29
|
33
|
48
|
72
|
32
|
43
|
|
2026/02
|
102
|
96
|
117
|
150
|
155
|
134
|
105
|
95
|
92
|
87
|
88
|
81
|
100
|
92
|
93
|
26
|
77
|
65
|
69
|
59
|
57
|
74
|
82
|
59
|
52
|
32
|
32
|
59
|
|||
|
2026/01
|
41
|
61
|
91
|
89
|
82
|
76
|
71
|
68
|
74
|
61
|
73
|
84
|
86
|
101
|
119
|
113
|
131
|
145
|
48
|
46
|
56
|
75
|
79
|
97
|
80
|
99
|
118
|
132
|
73
|
57
|
82
|
|
2025/12
|
74
|
105
|
81
|
72
|
79
|
79
|
85
|
71
|
81
|
145
|
156
|
127
|
38
|
54
|
65
|
79
|
89
|
98
|
104
|
76
|
31
|
62
|
40
|
55
|
59
|
68
|
74
|
98
|
107
|
103
|
79
|
|
2025/11
|
52
|
42
|
58
|
90
|
90
|
75
|
28
|
21
|
27
|
45
|
52
|
50
|
57
|
67
|
78
|
84
|
39
|
27
|
28
|
41
|
43
|
54
|
64
|
45
|
52
|
60
|
59
|
67
|
64
|
80
|
|
|
2025/10
|
41
|
25
|
23
|
37
|
40
|
62
|
47
|
54
|
103
|
73
|
47
|
41
|
18
|
19
|
33
|
24
|
28
|
14
|
25
|
17
|
18
|
33
|
36
|
44
|
59
|
61
|
62
|
61
|
79
|
92
|
77
|
|
2025/09
|
16
|
29
|
35
|
23
|
38
|
17
|
35
|
37
|
20
|
27
|
31
|
21
|
17
|
21
|
33
|
28
|
25
|
13
|
19
|
18
|
26
|
27
|
18
|
22
|
23
|
16
|
29
|
33
|
18
|
29
|
|
|
2025/08
|
33
|
33
|
42
|
47
|
35
|
39
|
27
|
20
|
14
|
12
|
12
|
11
|
13
|
21
|
17
|
15
|
23
|
30
|
32
|
21
|
19
|
22
|
24
|
20
|
19
|
20
|
23
|
38
|
38
|
24
|
15
|
|
2025/07
|
24
|
19
|
16
|
19
|
25
|
30
|
25
|
30
|
26
|
19
|
33
|
35
|
26
|
33
|
32
|
29
|
26
|
21
|
26
|
29
|
23
|
20
|
10
|
17
|
23
|
25
|
20
|
17
|
18
|
20
|
25
|
|
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