Air Quality
Excellent
No health implications.
14
PM2.5
31
PM10
96
O3
0.5
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
74
Good
Sun
18 Oct
79
Good
Mon
19 Oct
83
Good
Tue
20 Oct
84
Good
Wed
21 Oct
58
Good
Thu
22 Oct
40
Excellent
Fri
23 Oct
41
Excellent
Air quality in the last 12 months (Huilai)
|
2026/08
|
11
|
14
|
25
|
40
|
37
|
36
|
37
|
42
|
30
|
30
|
51
|
45
|
29
|
21
|
18
|
31
|
39
|
24
|
23
|
16
|
19
|
19
|
22
|
23
|
23
|
29
|
25
|
25
|
37
|
34
|
19
|
|
2026/07
|
21
|
23
|
18
|
17
|
16
|
15
|
16
|
18
|
23
|
31
|
36
|
32
|
17
|
15
|
17
|
17
|
17
|
29
|
30
|
33
|
44
|
42
|
42
|
42
|
31
|
23
|
19
|
15
|
19
|
22
|
23
|
|
2026/06
|
44
|
42
|
28
|
27
|
32
|
36
|
22
|
21
|
23
|
24
|
33
|
38
|
28
|
17
|
17
|
17
|
17
|
17
|
22
|
21
|
20
|
24
|
23
|
31
|
27
|
22
|
29
|
23
|
17
|
18
|
|
|
2026/05
|
41
|
50
|
40
|
26
|
29
|
38
|
38
|
43
|
35
|
39
|
44
|
60
|
37
|
16
|
22
|
26
|
30
|
37
|
43
|
26
|
21
|
27
|
27
|
29
|
31
|
27
|
28
|
35
|
35
|
44
|
49
|
|
2026/04
|
31
|
32
|
54
|
41
|
28
|
31
|
35
|
40
|
47
|
26
|
27
|
27
|
21
|
21
|
25
|
28
|
30
|
49
|
46
|
39
|
31
|
30
|
26
|
20
|
27
|
46
|
45
|
39
|
30
|
22
|
|
|
2026/03
|
26
|
56
|
27
|
33
|
35
|
29
|
48
|
39
|
36
|
45
|
43
|
50
|
46
|
47
|
46
|
44
|
40
|
41
|
45
|
35
|
39
|
42
|
50
|
38
|
54
|
37
|
47
|
34
|
38
|
37
|
38
|
|
2026/02
|
31
|
35
|
47
|
52
|
57
|
54
|
32
|
41
|
41
|
45
|
57
|
47
|
49
|
49
|
43
|
45
|
39
|
43
|
43
|
63
|
69
|
73
|
64
|
83
|
70
|
27
|
46
|
13
|
|||
|
2026/01
|
38
|
28
|
38
|
52
|
59
|
33
|
45
|
51
|
55
|
65
|
65
|
64
|
76
|
61
|
56
|
56
|
60
|
57
|
53
|
33
|
44
|
45
|
49
|
49
|
33
|
45
|
53
|
36
|
34
|
53
|
39
|
|
2025/12
|
48
|
38
|
45
|
53
|
42
|
45
|
61
|
73
|
50
|
49
|
52
|
48
|
50
|
41
|
48
|
58
|
71
|
52
|
60
|
47
|
80
|
39
|
42
|
43
|
26
|
30
|
39
|
44
|
49
|
52
|
38
|
|
2025/11
|
30
|
43
|
48
|
33
|
24
|
33
|
32
|
36
|
47
|
30
|
33
|
20
|
15
|
28
|
45
|
44
|
43
|
45
|
29
|
53
|
46
|
52
|
64
|
66
|
45
|
66
|
65
|
70
|
88
|
77
|
|
|
2025/10
|
34
|
24
|
30
|
29
|
23
|
21
|
38
|
31
|
31
|
26
|
27
|
25
|
15
|
29
|
27
|
29
|
35
|
35
|
32
|
23
|
21
|
16
|
27
|
39
|
36
|
49
|
48
|
46
|
29
|
46
|
43
|
|
2025/09
|
23
|
25
|
26
|
21
|
23
|
32
|
13
|
17
|
17
|
19
|
19
|
25
|
19
|
17
|
18
|
27
|
23
|
24
|
13
|
15
|
16
|
32
|
23
|
29
|
25
|
30
|
26
|
26
|
34
|
31
|
|
|
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