Air Quality
Excellent
No health implications.
21
PM2.5
31
PM10
32
O3
0.7
CO
10
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Nov
66
Good
Thu
6 Nov
61
Good
Fri
7 Nov
72
Good
Sat
8 Nov
62
Good
Sun
9 Nov
67
Good
Mon
10 Nov
39
Excellent
Tue
11 Nov
44
Excellent
Yanchi Air quality rank
Air quality in the last 12 months (Yanchi)
|
2025/09
|
30
|
63
|
49
|
30
|
79
|
59
|
54
|
55
|
46
|
37
|
28
|
37
|
50
|
61
|
57
|
41
|
23
|
20
|
17
|
20
|
17
|
14
|
26
|
41
|
32
|
36
|
50
|
52
|
54
|
55
|
|
|
2025/08
|
41
|
38
|
38
|
42
|
48
|
50
|
41
|
23
|
33
|
35
|
52
|
42
|
46
|
32
|
40
|
30
|
25
|
24
|
25
|
55
|
29
|
39
|
15
|
26
|
23
|
27
|
21
|
26
|
22
|
22
|
28
|
|
2025/07
|
26
|
22
|
50
|
75
|
24
|
30
|
23
|
47
|
24
|
40
|
34
|
41
|
45
|
48
|
57
|
29
|
36
|
34
|
44
|
24
|
26
|
28
|
31
|
17
|
26
|
35
|
26
|
32
|
29
|
24
|
45
|
|
2025/06
|
43
|
46
|
27
|
27
|
25
|
49
|
60
|
41
|
56
|
38
|
50
|
68
|
52
|
55
|
54
|
51
|
46
|
50
|
37
|
30
|
37
|
44
|
40
|
39
|
36
|
24
|
25
|
36
|
40
|
28
|
|
|
2025/05
|
92
|
120
|
41
|
97
|
322
|
158
|
95
|
106
|
63
|
41
|
45
|
62
|
83
|
68
|
57
|
176
|
152
|
66
|
60
|
67
|
82
|
181
|
43
|
55
|
43
|
34
|
49
|
66
|
48
|
83
|
42
|
|
2025/04
|
56
|
58
|
129
|
103
|
59
|
108
|
87
|
114
|
89
|
73
|
296
|
165
|
103
|
44
|
87
|
215
|
114
|
83
|
98
|
104
|
192
|
102
|
65
|
53
|
61
|
67
|
46
|
42
|
92
|
189
|
|
|
2025/03
|
86
|
50
|
42
|
50
|
48
|
42
|
72
|
82
|
242
|
96
|
267
|
114
|
97
|
62
|
47
|
36
|
41
|
31
|
39
|
53
|
61
|
74
|
272
|
422
|
434
|
478
|
168
|
103
|
43
|
51
|
47
|
|
2025/02
|
59
|
26
|
29
|
37
|
41
|
98
|
45
|
32
|
52
|
66
|
84
|
49
|
52
|
62
|
67
|
84
|
70
|
63
|
39
|
52
|
49
|
38
|
32
|
46
|
66
|
65
|
62
|
71
|
|||
|
2025/01
|
60
|
60
|
58
|
86
|
73
|
31
|
37
|
35
|
40
|
48
|
74
|
96
|
227
|
31
|
34
|
44
|
47
|
62
|
63
|
52
|
69
|
71
|
93
|
141
|
79
|
68
|
49
|
60
|
53
|
49
|
45
|
|
2024/12
|
43
|
37
|
58
|
34
|
34
|
29
|
29
|
26
|
52
|
47
|
61
|
63
|
56
|
44
|
59
|
54
|
87
|
42
|
52
|
44
|
31
|
41
|
59
|
83
|
69
|
53
|
33
|
50
|
79
|
70
|
61
|
|
2024/11
|
41
|
40
|
48
|
46
|
60
|
66
|
72
|
50
|
63
|
59
|
56
|
44
|
67
|
40
|
70
|
41
|
40
|
37
|
47
|
64
|
53
|
42
|
71
|
48
|
53
|
73
|
71
|
42
|
33
|
42
|
|
|
2024/10
|
58
|
41
|
42
|
25
|
39
|
43
|
40
|
44
|
51
|
51
|
55
|
43
|
44
|
58
|
49
|
54
|
42
|
30
|
18
|
48
|
26
|
29
|
41
|
45
|
50
|
47
|
48
|
44
|
49
|
31
|
38
|
|
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