Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
52
O3
0.8
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Apr
61
Good
Thu
2 Apr
60
Good
Fri
3 Apr
61
Good
Sat
4 Apr
56
Good
Sun
5 Apr
58
Good
Mon
6 Apr
49
Excellent
Tue
7 Apr
47
Excellent
Huilai Air quality rank
Air quality in the last 12 months (Huilai)
|
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
|
|
|
2025/08
|
26
|
17
|
19
|
11
|
11
|
28
|
36
|
37
|
24
|
12
|
10
|
20
|
33
|
11
|
23
|
28
|
19
|
14
|
16
|
33
|
25
|
40
|
31
|
18
|
27
|
23
|
19
|
25
|
26
|
19
|
23
|
|
2025/07
|
16
|
23
|
27
|
29
|
12
|
21
|
35
|
29
|
23
|
17
|
14
|
36
|
39
|
33
|
30
|
29
|
34
|
25
|
21
|
22
|
23
|
16
|
25
|
30
|
32
|
35
|
34
|
21
|
22
|
33
|
24
|
|
2025/06
|
43
|
22
|
23
|
21
|
34
|
25
|
36
|
19
|
21
|
24
|
17
|
20
|
15
|
32
|
29
|
20
|
14
|
24
|
14
|
13
|
12
|
13
|
14
|
14
|
14
|
14
|
20
|
18
|
12
|
12
|
|
|
2025/05
|
46
|
63
|
57
|
43
|
35
|
27
|
36
|
56
|
45
|
32
|
30
|
42
|
38
|
37
|
27
|
20
|
17
|
17
|
21
|
16
|
16
|
21
|
20
|
24
|
30
|
40
|
34
|
28
|
23
|
21
|
36
|
|
2025/04
|
20
|
42
|
57
|
60
|
39
|
57
|
62
|
69
|
50
|
35
|
48
|
36
|
147
|
124
|
124
|
94
|
71
|
60
|
32
|
37
|
30
|
31
|
34
|
31
|
19
|
22
|
41
|
46
|
37
|
59
|
|
|
2025/03
|
69
|
42
|
35
|
29
|
20
|
21
|
26
|
33
|
41
|
48
|
55
|
62
|
52
|
27
|
31
|
16
|
49
|
52
|
51
|
55
|
62
|
61
|
62
|
69
|
56
|
41
|
34
|
42
|
43
|
11
|
13
|
|
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