Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
34
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Nov
58
Good
Sat
15 Nov
60
Good
Sun
16 Nov
62
Good
Mon
17 Nov
61
Good
Tue
18 Nov
55
Good
Wed
19 Nov
38
Excellent
Thu
20 Nov
34
Excellent
Air quality in the last 12 months (Huilai)
|
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
|
|
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
|
|
|
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