Air Quality
Excellent
No health implications.
15
PM2.5
32
PM10
109
O3
0.8
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Aug
52
Good
Fri
28 Aug
45
Excellent
Sat
29 Aug
53
Good
Sun
30 Aug
65
Good
Mon
31 Aug
67
Good
Tue
1 Sep
72
Good
Wed
2 Sep
48
Excellent
Yichuan Air quality rank
Air quality in the last 12 months (Yichuan)
|
2026/07
|
39
|
39
|
43
|
42
|
44
|
47
|
46
|
51
|
55
|
50
|
30
|
29
|
46
|
51
|
32
|
41
|
30
|
45
|
58
|
43
|
49
|
41
|
48
|
40
|
48
|
44
|
31
|
34
|
30
|
34
|
32
|
|
2026/06
|
67
|
61
|
61
|
49
|
47
|
41
|
38
|
38
|
35
|
35
|
50
|
51
|
44
|
50
|
54
|
56
|
57
|
43
|
36
|
30
|
35
|
37
|
36
|
48
|
35
|
45
|
48
|
48
|
48
|
35
|
|
|
2026/05
|
54
|
33
|
40
|
51
|
51
|
58
|
47
|
46
|
50
|
63
|
71
|
74
|
61
|
43
|
65
|
42
|
27
|
33
|
46
|
44
|
49
|
34
|
47
|
50
|
32
|
39
|
58
|
47
|
48
|
45
|
55
|
|
2026/04
|
52
|
65
|
122
|
76
|
85
|
77
|
75
|
67
|
64
|
60
|
58
|
59
|
53
|
56
|
55
|
42
|
47
|
62
|
152
|
120
|
55
|
39
|
50
|
59
|
60
|
65
|
139
|
68
|
58
|
56
|
|
|
2026/03
|
27
|
41
|
71
|
74
|
63
|
39
|
50
|
73
|
80
|
102
|
69
|
79
|
133
|
62
|
55
|
71
|
69
|
77
|
76
|
82
|
86
|
101
|
83
|
67
|
76
|
72
|
64
|
71
|
57
|
59
|
47
|
|
2026/02
|
96
|
70
|
69
|
93
|
104
|
77
|
39
|
46
|
68
|
97
|
89
|
91
|
89
|
88
|
63
|
68
|
164
|
84
|
67
|
68
|
160
|
444
|
119
|
71
|
75
|
84
|
55
|
28
|
|||
|
2026/01
|
88
|
90
|
116
|
112
|
70
|
44
|
58
|
63
|
69
|
74
|
59
|
74
|
83
|
99
|
109
|
84
|
91
|
81
|
40
|
34
|
54
|
69
|
88
|
90
|
117
|
143
|
116
|
121
|
109
|
122
|
120
|
|
2025/12
|
83
|
51
|
53
|
70
|
81
|
97
|
90
|
79
|
92
|
107
|
94
|
65
|
96
|
101
|
95
|
102
|
86
|
80
|
85
|
57
|
65
|
76
|
96
|
84
|
54
|
64
|
75
|
90
|
87
|
74
|
64
|
|
2025/11
|
64
|
66
|
70
|
74
|
82
|
69
|
41
|
50
|
91
|
90
|
83
|
73
|
59
|
75
|
83
|
66
|
22
|
32
|
57
|
67
|
72
|
83
|
89
|
114
|
79
|
192
|
199
|
108
|
102
|
96
|
|
|
2025/10
|
49
|
32
|
41
|
36
|
32
|
21
|
22
|
26
|
15
|
14
|
20
|
23
|
36
|
43
|
29
|
36
|
31
|
31
|
43
|
35
|
36
|
47
|
61
|
65
|
44
|
52
|
56
|
64
|
68
|
74
|
61
|
|
2025/09
|
42
|
41
|
18
|
15
|
43
|
49
|
61
|
57
|
50
|
46
|
30
|
24
|
41
|
51
|
51
|
35
|
26
|
20
|
21
|
42
|
23
|
18
|
28
|
36
|
42
|
43
|
34
|
44
|
47
|
56
|
|
|
2025/08
|
40
|
46
|
48
|
41
|
32
|
40
|
41
|
37
|
27
|
33
|
40
|
43
|
46
|
49
|
37
|
19
|
35
|
38
|
36
|
27
|
38
|
44
|
24
|
28
|
41
|
39
|
26
|
22
|
27
|
37
|
37
|
|
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