Air Quality
Excellent
No health implications.
18
PM2.5
46
PM10
82
O3
0.8
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
75
Good
Tue
7 May
84
Good
Wed
8 May
66
Good
Thu
9 May
66
Good
Fri
10 May
60
Good
Sat
11 May
56
Good
Sun
12 May
59
Good
Air quality in the last 12 months (Huilai)
|
2024/02
|
63
|
43
|
34
|
35
|
36
|
28
|
25
|
13
|
30
|
79
|
114
|
89
|
97
|
77
|
75
|
52
|
33
|
51
|
41
|
39
|
24
|
33
|
29
|
49
|
49
|
49
|
42
|
38
|
58
|
||
|
2024/01
|
72
|
62
|
55
|
42
|
64
|
81
|
66
|
66
|
58
|
47
|
68
|
85
|
72
|
45
|
62
|
42
|
40
|
56
|
56
|
43
|
32
|
28
|
20
|
41
|
51
|
62
|
63
|
58
|
78
|
66
|
77
|
|
2023/12
|
52
|
50
|
46
|
48
|
41
|
38
|
39
|
68
|
72
|
76
|
64
|
65
|
38
|
48
|
63
|
35
|
33
|
45
|
41
|
27
|
29
|
52
|
49
|
48
|
50
|
70
|
99
|
62
|
47
|
60
|
73
|
|
2023/11
|
41
|
36
|
44
|
50
|
54
|
53
|
48
|
44
|
54
|
56
|
29
|
34
|
31
|
36
|
37
|
42
|
53
|
60
|
69
|
63
|
47
|
49
|
62
|
70
|
52
|
48
|
65
|
63
|
64
|
76
|
|
|
2023/10
|
38
|
39
|
51
|
50
|
34
|
29
|
20
|
22
|
23
|
29
|
32
|
38
|
37
|
34
|
51
|
52
|
54
|
50
|
59
|
69
|
30
|
33
|
37
|
35
|
39
|
35
|
39
|
35
|
40
|
43
|
39
|
|
2023/09
|
20
|
25
|
46
|
37
|
29
|
28
|
20
|
22
|
28
|
35
|
32
|
24
|
23
|
26
|
23
|
31
|
35
|
38
|
31
|
36
|
44
|
31
|
26
|
27
|
25
|
26
|
39
|
34
|
34
|
46
|
|
|
2023/08
|
37
|
40
|
33
|
26
|
29
|
33
|
34
|
31
|
35
|
32
|
27
|
21
|
23
|
30
|
36
|
33
|
38
|
34
|
37
|
21
|
26
|
24
|
28
|
37
|
40
|
33
|
35
|
36
|
38
|
27
|
26
|
|
2023/07
|
15
|
16
|
20
|
19
|
23
|
17
|
23
|
30
|
17
|
19
|
18
|
21
|
22
|
32
|
38
|
25
|
27
|
28
|
22
|
28
|
25
|
19
|
21
|
23
|
27
|
38
|
38
|
30
|
26
|
21
|
25
|
|
2023/06
|
32
|
44
|
36
|
23
|
26
|
20
|
28
|
18
|
18
|
19
|
21
|
26
|
33
|
44
|
31
|
25
|
24
|
21
|
15
|
19
|
17
|
19
|
18
|
17
|
21
|
14
|
13
|
23
|
19
|
18
|
|
|
2023/05
|
45
|
46
|
49
|
37
|
26
|
24
|
29
|
29
|
36
|
46
|
47
|
73
|
36
|
61
|
52
|
43
|
27
|
44
|
35
|
32
|
24
|
24
|
43
|
64
|
59
|
40
|
35
|
37
|
43
|
44
|
39
|
|
2023/04
|
37
|
40
|
41
|
49
|
42
|
37
|
26
|
51
|
48
|
36
|
51
|
50
|
70
|
69
|
50
|
55
|
48
|
34
|
33
|
42
|
32
|
41
|
56
|
59
|
36
|
30
|
43
|
52
|
48
|
38
|
|
|
2023/03
|
63
|
67
|
51
|
47
|
63
|
52
|
52
|
59
|
73
|
64
|
55
|
61
|
57
|
50
|
57
|
67
|
41
|
51
|
36
|
39
|
54
|
28
|
29
|
47
|
29
|
21
|
26
|
36
|
53
|
51
|
33
|
|
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