Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
44
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Aug
45
Excellent
Wed
19 Aug
53
Good
Thu
20 Aug
63
Good
Fri
21 Aug
67
Good
Sat
22 Aug
68
Good
Sun
23 Aug
71
Good
Mon
24 Aug
24
Excellent
Air quality in the last 12 months (Yantan)
|
2026/07
|
37
|
43
|
42
|
37
|
40
|
50
|
46
|
48
|
45
|
45
|
41
|
33
|
33
|
47
|
57
|
50
|
36
|
33
|
50
|
53
|
58
|
52
|
61
|
61
|
39
|
40
|
43
|
36
|
35
|
32
|
38
|
|
2026/06
|
62
|
45
|
46
|
53
|
65
|
65
|
45
|
32
|
41
|
46
|
45
|
42
|
41
|
52
|
58
|
45
|
32
|
32
|
37
|
40
|
26
|
25
|
24
|
22
|
24
|
29
|
30
|
31
|
25
|
32
|
|
|
2026/05
|
70
|
50
|
46
|
46
|
62
|
67
|
58
|
44
|
54
|
55
|
63
|
71
|
55
|
72
|
49
|
51
|
47
|
39
|
40
|
49
|
49
|
43
|
34
|
35
|
34
|
47
|
52
|
52
|
56
|
57
|
53
|
|
2026/04
|
45
|
49
|
45
|
62
|
69
|
60
|
30
|
35
|
51
|
56
|
47
|
48
|
44
|
39
|
47
|
54
|
51
|
60
|
66
|
123
|
59
|
48
|
55
|
71
|
92
|
112
|
59
|
34
|
38
|
48
|
|
|
2026/03
|
44
|
37
|
49
|
46
|
54
|
66
|
65
|
52
|
44
|
46
|
50
|
64
|
63
|
48
|
52
|
51
|
48
|
46
|
59
|
60
|
61
|
61
|
58
|
56
|
59
|
59
|
72
|
57
|
61
|
48
|
38
|
|
2026/02
|
73
|
86
|
114
|
109
|
101
|
111
|
81
|
44
|
45
|
50
|
52
|
68
|
79
|
86
|
86
|
55
|
115
|
85
|
87
|
78
|
78
|
99
|
98
|
54
|
59
|
43
|
57
|
41
|
|||
|
2026/01
|
33
|
34
|
24
|
49
|
65
|
66
|
76
|
104
|
121
|
165
|
193
|
175
|
154
|
164
|
162
|
204
|
206
|
201
|
95
|
25
|
45
|
41
|
66
|
88
|
83
|
80
|
92
|
91
|
97
|
42
|
36
|
|
2025/12
|
148
|
159
|
112
|
52
|
69
|
79
|
90
|
116
|
132
|
125
|
130
|
130
|
52
|
68
|
91
|
121
|
130
|
125
|
138
|
95
|
54
|
50
|
64
|
65
|
78
|
73
|
94
|
116
|
106
|
129
|
98
|
|
2025/11
|
31
|
32
|
35
|
40
|
54
|
49
|
48
|
41
|
55
|
39
|
31
|
40
|
38
|
44
|
45
|
52
|
38
|
38
|
45
|
62
|
79
|
96
|
97
|
73
|
83
|
90
|
104
|
112
|
129
|
155
|
|
|
2025/10
|
28
|
32
|
30
|
37
|
32
|
27
|
31
|
34
|
54
|
74
|
57
|
29
|
21
|
31
|
41
|
42
|
33
|
35
|
36
|
20
|
19
|
30
|
36
|
39
|
41
|
43
|
38
|
57
|
45
|
40
|
48
|
|
2025/09
|
38
|
48
|
42
|
43
|
42
|
41
|
53
|
45
|
46
|
50
|
38
|
18
|
23
|
31
|
44
|
59
|
30
|
25
|
22
|
29
|
23
|
17
|
21
|
30
|
41
|
38
|
34
|
34
|
21
|
34
|
|
|
2025/08
|
39
|
39
|
41
|
51
|
57
|
46
|
33
|
41
|
42
|
26
|
21
|
27
|
35
|
52
|
45
|
42
|
36
|
36
|
32
|
46
|
46
|
26
|
24
|
26
|
22
|
31
|
41
|
53
|
28
|
22
|
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