Air Quality
Excellent
No health implications.
15
PM2.5
26
PM10
59
O3
0.5
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
75
Good
Mon
28 Jul
80
Good
Tue
29 Jul
88
Good
Wed
30 Jul
100
Good
Thu
31 Jul
94
Good
Fri
1 Aug
48
Excellent
Sat
2 Aug
45
Excellent
Yichuan Air quality rank
Air quality in the last 12 months (Yichuan)
|
2025/06
|
44
|
43
|
42
|
50
|
50
|
54
|
59
|
48
|
60
|
56
|
57
|
54
|
57
|
45
|
46
|
50
|
48
|
43
|
27
|
36
|
35
|
41
|
43
|
47
|
47
|
32
|
37
|
28
|
41
|
30
|
|
|
2025/05
|
76
|
95
|
47
|
88
|
230
|
268
|
139
|
103
|
61
|
48
|
51
|
59
|
64
|
68
|
62
|
93
|
182
|
86
|
74
|
67
|
70
|
144
|
55
|
52
|
47
|
40
|
47
|
55
|
58
|
57
|
41
|
|
2025/04
|
70
|
70
|
81
|
103
|
70
|
88
|
101
|
107
|
100
|
63
|
154
|
191
|
128
|
58
|
57
|
114
|
122
|
88
|
68
|
72
|
124
|
159
|
101
|
59
|
63
|
62
|
54
|
49
|
62
|
118
|
|
|
2025/03
|
87
|
78
|
34
|
46
|
65
|
69
|
71
|
78
|
69
|
75
|
172
|
197
|
95
|
71
|
45
|
39
|
48
|
46
|
48
|
49
|
60
|
73
|
119
|
260
|
237
|
273
|
201
|
165
|
64
|
59
|
63
|
|
2025/02
|
125
|
95
|
38
|
53
|
38
|
89
|
55
|
37
|
58
|
72
|
75
|
76
|
73
|
78
|
77
|
77
|
75
|
81
|
74
|
78
|
91
|
78
|
51
|
55
|
70
|
70
|
74
|
75
|
|||
|
2025/01
|
95
|
72
|
73
|
92
|
102
|
57
|
56
|
55
|
54
|
68
|
75
|
72
|
95
|
62
|
44
|
61
|
84
|
95
|
92
|
97
|
100
|
114
|
138
|
129
|
59
|
71
|
38
|
79
|
153
|
107
|
127
|
|
2024/12
|
70
|
68
|
62
|
67
|
57
|
63
|
50
|
55
|
73
|
78
|
78
|
84
|
62
|
58
|
65
|
75
|
84
|
63
|
74
|
79
|
46
|
65
|
88
|
111
|
113
|
75
|
54
|
60
|
75
|
86
|
81
|
|
2024/11
|
69
|
61
|
68
|
56
|
62
|
66
|
80
|
85
|
85
|
105
|
102
|
95
|
55
|
48
|
69
|
67
|
49
|
51
|
44
|
59
|
70
|
86
|
102
|
96
|
50
|
48
|
70
|
52
|
51
|
62
|
|
|
2024/10
|
67
|
53
|
49
|
58
|
63
|
76
|
66
|
62
|
79
|
58
|
64
|
63
|
59
|
75
|
70
|
96
|
65
|
35
|
30
|
24
|
32
|
32
|
50
|
58
|
65
|
63
|
57
|
60
|
68
|
63
|
62
|
|
2024/09
|
47
|
50
|
39
|
42
|
34
|
43
|
30
|
45
|
52
|
45
|
40
|
37
|
46
|
32
|
48
|
41
|
40
|
45
|
38
|
29
|
26
|
46
|
53
|
64
|
74
|
69
|
81
|
62
|
33
|
26
|
|
|
2024/08
|
43
|
48
|
32
|
34
|
33
|
36
|
22
|
33
|
43
|
103
|
42
|
38
|
42
|
41
|
36
|
40
|
42
|
31
|
31
|
34
|
34
|
45
|
50
|
51
|
46
|
17
|
26
|
36
|
43
|
42
|
45
|
|
2024/07
|
33
|
45
|
39
|
37
|
34
|
42
|
44
|
35
|
40
|
47
|
48
|
46
|
52
|
56
|
42
|
26
|
29
|
26
|
37
|
21
|
30
|
41
|
35
|
27
|
57
|
53
|
49
|
54
|
39
|
23
|
39
|
|
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