Air Quality
Excellent
No health implications.
11
PM2.5
26
PM10
27
O3
0.6
CO
10
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
51
Good
Thu
18 Sep
53
Good
Fri
19 Sep
52
Good
Sat
20 Sep
52
Good
Sun
21 Sep
55
Good
Mon
22 Sep
37
Excellent
Tue
23 Sep
43
Excellent
Huili Air quality rank
Air quality in the last 12 months (Huili)
|
2025/08
|
29
|
31
|
30
|
30
|
27
|
26
|
33
|
25
|
26
|
21
|
22
|
22
|
26
|
36
|
38
|
27
|
22
|
27
|
27
|
23
|
27
|
19
|
18
|
18
|
23
|
29
|
29
|
26
|
29
|
32
|
28
|
|
2025/07
|
26
|
20
|
25
|
23
|
26
|
21
|
28
|
25
|
20
|
27
|
24
|
27
|
29
|
34
|
34
|
34
|
36
|
38
|
22
|
28
|
23
|
22
|
19
|
23
|
19
|
22
|
27
|
23
|
35
|
37
|
24
|
|
2025/06
|
24
|
22
|
18
|
27
|
36
|
37
|
32
|
29
|
31
|
43
|
37
|
40
|
47
|
46
|
19
|
30
|
25
|
21
|
17
|
16
|
13
|
17
|
25
|
19
|
20
|
30
|
23
|
27
|
21
|
18
|
|
|
2025/05
|
41
|
35
|
29
|
25
|
26
|
28
|
28
|
26
|
33
|
35
|
35
|
36
|
32
|
29
|
31
|
34
|
30
|
31
|
31
|
29
|
31
|
31
|
42
|
29
|
48
|
37
|
23
|
17
|
20
|
23
|
15
|
|
2025/04
|
46
|
54
|
61
|
57
|
45
|
47
|
45
|
56
|
56
|
54
|
45
|
60
|
52
|
47
|
47
|
36
|
27
|
28
|
29
|
25
|
24
|
29
|
38
|
40
|
38
|
56
|
52
|
41
|
43
|
25
|
|
|
2025/03
|
39
|
43
|
32
|
39
|
37
|
30
|
39
|
59
|
54
|
51
|
47
|
49
|
64
|
59
|
44
|
31
|
29
|
15
|
27
|
47
|
63
|
68
|
49
|
33
|
29
|
31
|
35
|
68
|
72
|
60
|
54
|
|
2025/02
|
51
|
49
|
24
|
39
|
53
|
48
|
33
|
36
|
44
|
35
|
34
|
34
|
40
|
48
|
36
|
42
|
34
|
40
|
46
|
36
|
39
|
36
|
40
|
40
|
35
|
35
|
36
|
33
|
|||
|
2025/01
|
54
|
50
|
55
|
53
|
47
|
57
|
47
|
31
|
43
|
49
|
24
|
45
|
49
|
45
|
45
|
66
|
58
|
62
|
60
|
65
|
58
|
54
|
66
|
47
|
35
|
32
|
42
|
47
|
57
|
59
|
40
|
|
2024/12
|
45
|
45
|
49
|
42
|
42
|
45
|
44
|
45
|
39
|
34
|
41
|
48
|
44
|
35
|
43
|
55
|
49
|
47
|
42
|
41
|
52
|
45
|
41
|
48
|
54
|
52
|
59
|
60
|
59
|
48
|
44
|
|
2024/11
|
33
|
26
|
35
|
29
|
30
|
45
|
32
|
17
|
23
|
32
|
35
|
36
|
35
|
42
|
46
|
44
|
44
|
42
|
47
|
44
|
42
|
27
|
31
|
32
|
36
|
33
|
34
|
36
|
31
|
34
|
|
|
2024/10
|
15
|
24
|
32
|
35
|
22
|
19
|
22
|
30
|
22
|
22
|
23
|
27
|
36
|
32
|
26
|
25
|
33
|
40
|
45
|
39
|
31
|
27
|
27
|
35
|
42
|
39
|
23
|
34
|
44
|
41
|
36
|
|
2024/09
|
30
|
19
|
27
|
29
|
20
|
24
|
34
|
31
|
28
|
19
|
25
|
26
|
30
|
34
|
38
|
24
|
26
|
30
|
41
|
43
|
40
|
31
|
24
|
41
|
38
|
34
|
44
|
22
|
24
|
27
|
|
|
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