Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
24
O3
0.6
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
43
Excellent
Sat
28 Jun
47
Excellent
Sun
29 Jun
46
Excellent
Mon
30 Jun
42
Excellent
Tue
1 Jul
43
Excellent
Wed
2 Jul
46
Excellent
Thu
3 Jul
35
Excellent
Yihuang Air quality rank
Air quality in the last 12 months (Yihuang)
|
2025/05
|
51
|
47
|
51
|
52
|
28
|
35
|
56
|
39
|
23
|
44
|
36
|
35
|
38
|
36
|
46
|
24
|
23
|
17
|
24
|
23
|
24
|
29
|
24
|
56
|
58
|
55
|
49
|
33
|
24
|
27
|
27
|
|
2025/04
|
45
|
55
|
52
|
58
|
51
|
56
|
56
|
59
|
56
|
38
|
38
|
137
|
141
|
104
|
71
|
51
|
65
|
60
|
30
|
23
|
34
|
22
|
42
|
41
|
24
|
20
|
19
|
36
|
52
|
53
|
|
|
2025/03
|
42
|
34
|
35
|
22
|
32
|
32
|
45
|
43
|
52
|
35
|
46
|
48
|
30
|
22
|
21
|
39
|
46
|
42
|
46
|
39
|
44
|
46
|
51
|
60
|
61
|
66
|
58
|
68
|
45
|
30
|
41
|
|
2025/02
|
38
|
27
|
49
|
56
|
48
|
54
|
61
|
51
|
36
|
48
|
63
|
71
|
79
|
69
|
49
|
42
|
53
|
48
|
42
|
24
|
28
|
23
|
26
|
41
|
65
|
66
|
51
|
39
|
|||
|
2025/01
|
110
|
84
|
96
|
98
|
100
|
94
|
67
|
61
|
59
|
46
|
50
|
55
|
59
|
58
|
71
|
56
|
53
|
64
|
64
|
70
|
68
|
64
|
61
|
101
|
54
|
26
|
56
|
82
|
138
|
70
|
52
|
|
2024/12
|
46
|
51
|
57
|
88
|
56
|
44
|
45
|
69
|
55
|
57
|
35
|
51
|
70
|
58
|
55
|
55
|
57
|
65
|
63
|
60
|
64
|
74
|
60
|
72
|
79
|
82
|
107
|
75
|
71
|
79
|
84
|
|
2024/11
|
30
|
38
|
46
|
54
|
59
|
51
|
47
|
47
|
53
|
56
|
45
|
47
|
52
|
52
|
31
|
36
|
38
|
27
|
35
|
44
|
45
|
34
|
51
|
55
|
41
|
35
|
40
|
46
|
47
|
47
|
|
|
2024/10
|
39
|
38
|
39
|
34
|
38
|
37
|
31
|
21
|
28
|
42
|
56
|
53
|
52
|
74
|
56
|
29
|
36
|
41
|
29
|
29
|
42
|
42
|
37
|
48
|
49
|
52
|
21
|
22
|
48
|
51
|
42
|
|
2024/09
|
44
|
47
|
51
|
43
|
41
|
33
|
24
|
26
|
25
|
30
|
37
|
27
|
32
|
37
|
36
|
34
|
34
|
36
|
35
|
30
|
28
|
30
|
31
|
28
|
37
|
39
|
42
|
33
|
37
|
34
|
|
|
2024/08
|
21
|
27
|
31
|
39
|
29
|
34
|
32
|
30
|
36
|
39
|
35
|
24
|
24
|
25
|
32
|
32
|
27
|
22
|
23
|
31
|
24
|
24
|
31
|
37
|
34
|
33
|
36
|
24
|
30
|
43
|
44
|
|
2024/07
|
25
|
24
|
23
|
23
|
27
|
22
|
22
|
21
|
28
|
29
|
30
|
27
|
24
|
23
|
27
|
30
|
20
|
21
|
20
|
21
|
23
|
25
|
32
|
39
|
33
|
20
|
17
|
19
|
19
|
21
|
21
|
|
2024/06
|
21
|
22
|
26
|
33
|
29
|
32
|
34
|
38
|
37
|
30
|
21
|
24
|
24
|
21
|
22
|
21
|
21
|
28
|
34
|
27
|
26
|
28
|
33
|
25
|
18
|
23
|
27
|
29
|
22
|
25
|
|
|
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