Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
51
*
PM10
41
O3
0.7
CO
19
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 Oct
55
Good
Tue
14 Oct
58
Good
Wed
15 Oct
62
Good
Thu
16 Oct
58
Good
Fri
17 Oct
60
Good
Sat
18 Oct
38
Excellent
Sun
19 Oct
37
Excellent
Air quality in the last 12 months (Yanchi)
|
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
|
|
2024/09
|
34
|
29
|
35
|
39
|
37
|
23
|
21
|
34
|
57
|
39
|
28
|
37
|
24
|
19
|
23
|
26
|
29
|
43
|
48
|
40
|
26
|
33
|
43
|
53
|
39
|
46
|
62
|
64
|
45
|
55
|
|
|
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