Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
87
O3
0.5
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
86
Good
Mon
23 Jun
86
Good
Tue
24 Jun
88
Good
Wed
25 Jun
83
Good
Thu
26 Jun
92
Good
Fri
27 Jun
88
Good
Sat
28 Jun
29
Excellent
Air quality in the last 12 months (Yanchi)
|
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
|
|
|
2024/08
|
34
|
28
|
31
|
30
|
38
|
22
|
15
|
15
|
86
|
119
|
27
|
25
|
28
|
25
|
46
|
34
|
34
|
27
|
27
|
23
|
32
|
36
|
36
|
34
|
23
|
15
|
17
|
29
|
35
|
34
|
47
|
|
2024/07
|
38
|
34
|
38
|
33
|
64
|
53
|
22
|
34
|
39
|
40
|
38
|
59
|
57
|
49
|
29
|
23
|
23
|
31
|
24
|
63
|
179
|
69
|
64
|
201
|
59
|
45
|
37
|
32
|
26
|
34
|
39
|
|
2024/06
|
50
|
22
|
24
|
39
|
33
|
30
|
28
|
45
|
33
|
33
|
50
|
52
|
62
|
38
|
33
|
30
|
36
|
31
|
42
|
41
|
34
|
103
|
90
|
166
|
74
|
62
|
34
|
52
|
43
|
30
|
|
|
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