Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
33
O3
0.6
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
61
Good
Sat
10 May
54
Good
Sun
11 May
62
Good
Mon
12 May
92
Good
Tue
13 May
65
Good
Wed
14 May
59
Good
Thu
15 May
50
Excellent
Air quality in the last 12 months (Huilai)
|
2025/02
|
72
|
28
|
18
|
30
|
58
|
47
|
31
|
44
|
51
|
45
|
54
|
73
|
63
|
51
|
51
|
70
|
53
|
67
|
39
|
40
|
30
|
32
|
31
|
31
|
54
|
55
|
59
|
77
|
|||
|
2025/01
|
57
|
61
|
60
|
51
|
65
|
69
|
57
|
60
|
57
|
58
|
48
|
43
|
57
|
55
|
63
|
87
|
57
|
49
|
85
|
56
|
59
|
59
|
64
|
33
|
32
|
35
|
29
|
53
|
80
|
58
|
67
|
|
2024/12
|
66
|
72
|
66
|
40
|
45
|
51
|
51
|
46
|
44
|
32
|
47
|
38
|
35
|
62
|
55
|
53
|
59
|
51
|
53
|
49
|
51
|
61
|
60
|
43
|
46
|
51
|
58
|
82
|
65
|
68
|
81
|
|
2024/11
|
29
|
20
|
32
|
45
|
43
|
45
|
38
|
37
|
33
|
33
|
43
|
38
|
24
|
28
|
42
|
33
|
30
|
27
|
19
|
11
|
15
|
34
|
37
|
35
|
37
|
19
|
35
|
35
|
35
|
57
|
|
|
2024/10
|
25
|
25
|
32
|
27
|
27
|
38
|
34
|
33
|
31
|
42
|
46
|
41
|
33
|
36
|
32
|
26
|
31
|
44
|
48
|
19
|
29
|
39
|
31
|
38
|
46
|
44
|
50
|
25
|
30
|
48
|
37
|
|
2024/09
|
29
|
39
|
41
|
30
|
21
|
13
|
18
|
15
|
21
|
36
|
47
|
43
|
36
|
31
|
31
|
24
|
34
|
26
|
31
|
19
|
14
|
20
|
13
|
16
|
29
|
28
|
39
|
22
|
31
|
37
|
|
|
2024/08
|
28
|
29
|
31
|
35
|
42
|
43
|
46
|
39
|
31
|
23
|
29
|
25
|
26
|
25
|
28
|
23
|
14
|
20
|
12
|
12
|
15
|
28
|
34
|
33
|
41
|
35
|
32
|
39
|
47
|
26
|
17
|
|
2024/07
|
23
|
19
|
13
|
18
|
15
|
13
|
11
|
18
|
22
|
21
|
13
|
12
|
15
|
17
|
16
|
16
|
22
|
20
|
17
|
21
|
17
|
19
|
26
|
33
|
34
|
14
|
14
|
16
|
21
|
17
|
17
|
|
2024/06
|
15
|
14
|
19
|
28
|
30
|
44
|
15
|
19
|
21
|
14
|
15
|
23
|
21
|
26
|
23
|
18
|
18
|
17
|
16
|
14
|
25
|
25
|
15
|
12
|
16
|
16
|
17
|
16
|
11
|
17
|
|
|
2024/05
|
42
|
25
|
32
|
37
|
23
|
38
|
42
|
54
|
45
|
37
|
52
|
46
|
29
|
31
|
54
|
64
|
53
|
59
|
47
|
28
|
21
|
14
|
14
|
15
|
24
|
24
|
22
|
25
|
26
|
31
|
30
|
|
2024/04
|
42
|
46
|
24
|
40
|
46
|
31
|
35
|
50
|
19
|
45
|
46
|
54
|
60
|
36
|
36
|
33
|
24
|
29
|
48
|
46
|
27
|
37
|
25
|
37
|
32
|
20
|
27
|
19
|
31
|
22
|
|
|
2024/03
|
20
|
24
|
39
|
47
|
94
|
85
|
30
|
55
|
63
|
53
|
48
|
31
|
72
|
70
|
76
|
92
|
116
|
50
|
60
|
59
|
60
|
66
|
75
|
39
|
34
|
49
|
44
|
55
|
71
|
69
|
24
|
|
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