Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
36
O3
0.5
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
44
Excellent
Fri
22 Aug
47
Excellent
Sat
23 Aug
58
Good
Sun
24 Aug
56
Good
Mon
25 Aug
61
Good
Tue
26 Aug
28
Excellent
Wed
27 Aug
30
Excellent
Air quality in the last 12 months (Yihuang)
|
2025/06
|
23
|
20
|
24
|
31
|
29
|
31
|
31
|
29
|
27
|
27
|
27
|
29
|
35
|
23
|
19
|
24
|
20
|
17
|
21
|
18
|
16
|
18
|
21
|
21
|
28
|
24
|
19
|
20
|
21
|
22
|
|
|
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
|
|
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