Air Quality
Excellent
No health implications.
21
PM2.5
45
PM10
52
O3
0.5
CO
21
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
61
Good
Tue
22 Apr
55
Good
Wed
23 Apr
87
Good
Thu
24 Apr
82
Good
Fri
25 Apr
76
Good
Sat
26 Apr
57
Good
Sun
27 Apr
24
Excellent
Air quality in the last 12 months (Yuehu)
|
2025/02
|
29
|
17
|
31
|
51
|
40
|
53
|
63
|
49
|
31
|
48
|
63
|
69
|
74
|
87
|
45
|
54
|
56
|
35
|
41
|
18
|
16
|
20
|
19
|
48
|
81
|
70
|
59
|
45
|
|||
|
2025/01
|
82
|
83
|
77
|
70
|
101
|
70
|
70
|
79
|
58
|
46
|
52
|
54
|
59
|
61
|
76
|
51
|
46
|
55
|
56
|
58
|
61
|
65
|
58
|
59
|
37
|
20
|
54
|
62
|
104
|
52
|
39
|
|
2024/12
|
46
|
52
|
60
|
95
|
53
|
42
|
36
|
68
|
45
|
53
|
24
|
28
|
85
|
57
|
52
|
48
|
56
|
61
|
62
|
66
|
64
|
73
|
56
|
82
|
90
|
101
|
111
|
71
|
74
|
78
|
80
|
|
2024/11
|
20
|
37
|
42
|
56
|
70
|
49
|
38
|
41
|
44
|
47
|
44
|
53
|
51
|
47
|
29
|
27
|
29
|
24
|
32
|
34
|
48
|
33
|
65
|
51
|
36
|
30
|
40
|
46
|
54
|
46
|
|
|
2024/10
|
33
|
26
|
32
|
33
|
36
|
25
|
24
|
15
|
29
|
41
|
56
|
58
|
53
|
53
|
65
|
22
|
34
|
39
|
24
|
17
|
39
|
36
|
32
|
47
|
33
|
43
|
11
|
15
|
40
|
49
|
33
|
|
2024/09
|
56
|
61
|
52
|
45
|
40
|
37
|
34
|
35
|
32
|
33
|
35
|
16
|
29
|
39
|
35
|
37
|
29
|
25
|
42
|
39
|
25
|
18
|
23
|
21
|
39
|
40
|
31
|
33
|
41
|
40
|
|
|
2024/08
|
14
|
23
|
29
|
39
|
39
|
43
|
33
|
37
|
37
|
42
|
36
|
24
|
28
|
27
|
27
|
39
|
36
|
36
|
21
|
26
|
20
|
27
|
27
|
42
|
42
|
44
|
37
|
29
|
38
|
46
|
45
|
|
2024/07
|
31
|
20
|
26
|
21
|
21
|
19
|
19
|
20
|
22
|
27
|
29
|
26
|
22
|
31
|
30
|
28
|
17
|
14
|
17
|
24
|
28
|
29
|
34
|
32
|
20
|
19
|
20
|
19
|
22
|
21
|
19
|
|
2024/06
|
11
|
14
|
25
|
34
|
28
|
24
|
30
|
38
|
41
|
27
|
12
|
21
|
31
|
22
|
21
|
26
|
16
|
17
|
38
|
30
|
32
|
25
|
34
|
24
|
13
|
16
|
26
|
39
|
23
|
23
|
|
|
2024/05
|
12
|
33
|
46
|
29
|
14
|
25
|
41
|
47
|
58
|
55
|
51
|
40
|
60
|
49
|
46
|
60
|
48
|
49
|
51
|
32
|
21
|
29
|
28
|
23
|
21
|
23
|
22
|
17
|
35
|
47
|
28
|
|
2024/04
|
32
|
28
|
25
|
19
|
20
|
29
|
28
|
32
|
32
|
46
|
46
|
42
|
41
|
33
|
53
|
39
|
15
|
23
|
31
|
17
|
23
|
27
|
36
|
47
|
44
|
45
|
36
|
28
|
28
|
15
|
|
|
2024/03
|
26
|
35
|
35
|
40
|
24
|
26
|
32
|
53
|
61
|
61
|
55
|
48
|
67
|
40
|
45
|
51
|
33
|
30
|
54
|
64
|
53
|
52
|
47
|
36
|
25
|
20
|
42
|
25
|
38
|
45
|
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