Air Quality
Excellent
No health implications.
17
PM2.5
28
PM10
136
O3
1.3
CO
16
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
54
Good
Fri
21 Aug
54
Good
Sat
22 Aug
54
Good
Sun
23 Aug
55
Good
Mon
24 Aug
54
Good
Tue
25 Aug
57
Good
Wed
26 Aug
20
Excellent
Air quality in the last 12 months (Huili)
|
2026/07
|
36
|
25
|
23
|
17
|
29
|
30
|
29
|
32
|
36
|
30
|
24
|
29
|
25
|
31
|
34
|
30
|
25
|
26
|
35
|
40
|
45
|
38
|
41
|
31
|
39
|
31
|
28
|
22
|
23
|
23
|
25
|
|
2026/06
|
24
|
24
|
22
|
28
|
33
|
38
|
33
|
24
|
25
|
27
|
37
|
49
|
27
|
27
|
34
|
21
|
23
|
24
|
25
|
23
|
19
|
19
|
18
|
20
|
18
|
20
|
24
|
21
|
21
|
24
|
|
|
2026/05
|
32
|
25
|
24
|
22
|
36
|
34
|
33
|
37
|
32
|
27
|
31
|
28
|
30
|
33
|
30
|
33
|
33
|
33
|
35
|
37
|
41
|
35
|
31
|
28
|
31
|
34
|
34
|
42
|
43
|
26
|
27
|
|
2026/04
|
32
|
33
|
29
|
33
|
40
|
36
|
32
|
35
|
31
|
34
|
35
|
37
|
40
|
48
|
56
|
51
|
38
|
41
|
49
|
41
|
44
|
44
|
35
|
38
|
39
|
48
|
35
|
28
|
26
|
33
|
|
|
2026/03
|
50
|
46
|
48
|
34
|
53
|
67
|
73
|
60
|
29
|
30
|
51
|
54
|
33
|
28
|
24
|
34
|
34
|
28
|
36
|
35
|
38
|
40
|
31
|
31
|
35
|
33
|
35
|
41
|
33
|
29
|
29
|
|
2026/02
|
51
|
43
|
42
|
37
|
32
|
34
|
48
|
40
|
35
|
35
|
32
|
37
|
37
|
37
|
36
|
50
|
107
|
63
|
44
|
41
|
40
|
46
|
45
|
48
|
51
|
56
|
50
|
44
|
|||
|
2026/01
|
53
|
42
|
33
|
31
|
36
|
39
|
41
|
43
|
70
|
61
|
52
|
43
|
54
|
55
|
53
|
49
|
67
|
67
|
68
|
58
|
51
|
56
|
82
|
64
|
60
|
55
|
67
|
82
|
59
|
37
|
44
|
|
2025/12
|
61
|
57
|
45
|
46
|
41
|
48
|
45
|
51
|
49
|
50
|
61
|
53
|
57
|
59
|
52
|
61
|
56
|
66
|
63
|
59
|
50
|
47
|
58
|
51
|
39
|
61
|
65
|
63
|
65
|
56
|
58
|
|
2025/11
|
22
|
16
|
15
|
35
|
39
|
36
|
32
|
37
|
31
|
27
|
30
|
33
|
33
|
35
|
36
|
39
|
40
|
35
|
19
|
40
|
41
|
43
|
43
|
40
|
46
|
52
|
46
|
53
|
58
|
63
|
|
|
2025/10
|
20
|
21
|
25
|
24
|
23
|
25
|
22
|
18
|
21
|
26
|
25
|
24
|
27
|
30
|
28
|
27
|
21
|
23
|
25
|
28
|
21
|
21
|
30
|
38
|
43
|
28
|
28
|
37
|
36
|
35
|
36
|
|
2025/09
|
29
|
28
|
27
|
28
|
25
|
26
|
27
|
34
|
24
|
34
|
25
|
26
|
27
|
30
|
28
|
26
|
21
|
20
|
20
|
31
|
27
|
26
|
21
|
22
|
38
|
28
|
29
|
26
|
22
|
21
|
|
|
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
|
|
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