Air Quality
Excellent
No health implications.
26
PM2.5
32
PM10
77
O3
0.5
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
52
Good
Wed
16 Jul
55
Good
Thu
17 Jul
52
Good
Fri
18 Jul
35
Excellent
Sat
19 Jul
38
Excellent
Sun
20 Jul
32
Excellent
Mon
21 Jul
23
Excellent
Air quality in the last 12 months (Yiliang)
|
2025/06
|
13
|
20
|
17
|
22
|
25
|
31
|
33
|
33
|
31
|
31
|
32
|
37
|
43
|
39
|
16
|
22
|
15
|
9
|
12
|
14
|
20
|
11
|
15
|
10
|
9
|
12
|
14
|
14
|
14
|
15
|
|
|
2025/05
|
39
|
27
|
24
|
19
|
27
|
31
|
30
|
31
|
45
|
32
|
24
|
32
|
28
|
33
|
28
|
24
|
30
|
28
|
34
|
26
|
34
|
31
|
52
|
32
|
18
|
17
|
14
|
14
|
13
|
13
|
11
|
|
2025/04
|
37
|
52
|
80
|
84
|
87
|
71
|
69
|
65
|
61
|
68
|
56
|
50
|
80
|
67
|
59
|
26
|
25
|
32
|
33
|
37
|
31
|
29
|
41
|
50
|
45
|
59
|
63
|
53
|
32
|
31
|
|
|
2025/03
|
44
|
45
|
47
|
47
|
54
|
47
|
39
|
55
|
47
|
44
|
51
|
61
|
61
|
68
|
61
|
35
|
27
|
21
|
37
|
45
|
64
|
65
|
57
|
48
|
42
|
44
|
45
|
84
|
104
|
62
|
54
|
|
2025/02
|
43
|
50
|
26
|
42
|
53
|
50
|
28
|
39
|
44
|
34
|
37
|
55
|
56
|
56
|
56
|
59
|
38
|
38
|
46
|
46
|
57
|
49
|
53
|
31
|
31
|
28
|
29
|
40
|
|||
|
2025/01
|
34
|
44
|
45
|
43
|
38
|
54
|
43
|
41
|
42
|
24
|
20
|
46
|
41
|
47
|
70
|
76
|
50
|
44
|
72
|
52
|
49
|
48
|
40
|
24
|
30
|
30
|
43
|
49
|
80
|
34
|
33
|
|
2024/12
|
20
|
28
|
21
|
22
|
29
|
26
|
31
|
37
|
16
|
21
|
31
|
28
|
47
|
39
|
45
|
41
|
29
|
29
|
42
|
33
|
37
|
32
|
36
|
36
|
37
|
46
|
48
|
36
|
32
|
28
|
48
|
|
2024/11
|
28
|
31
|
46
|
38
|
42
|
49
|
37
|
29
|
24
|
35
|
30
|
21
|
22
|
28
|
36
|
30
|
39
|
35
|
37
|
34
|
20
|
31
|
19
|
18
|
23
|
33
|
25
|
32
|
24
|
22
|
|
|
2024/10
|
13
|
19
|
31
|
27
|
22
|
30
|
34
|
35
|
30
|
20
|
23
|
23
|
25
|
25
|
25
|
16
|
15
|
29
|
40
|
26
|
20
|
26
|
27
|
39
|
39
|
36
|
44
|
45
|
51
|
45
|
36
|
|
2024/09
|
26
|
24
|
23
|
22
|
20
|
36
|
31
|
13
|
11
|
11
|
16
|
18
|
30
|
34
|
34
|
26
|
21
|
23
|
25
|
34
|
31
|
20
|
24
|
41
|
40
|
40
|
31
|
19
|
21
|
24
|
|
|
2024/08
|
35
|
31
|
24
|
18
|
17
|
16
|
16
|
15
|
13
|
19
|
42
|
50
|
53
|
44
|
36
|
35
|
36
|
40
|
34
|
43
|
35
|
21
|
19
|
23
|
22
|
17
|
21
|
26
|
29
|
34
|
30
|
|
2024/07
|
14
|
22
|
16
|
10
|
15
|
13
|
13
|
14
|
14
|
16
|
11
|
14
|
15
|
15
|
18
|
17
|
20
|
18
|
17
|
18
|
14
|
12
|
21
|
25
|
20
|
26
|
33
|
24
|
21
|
16
|
23
|
|
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