Air Quality
Excellent
No health implications.
13
PM2.5
30
PM10
76
O3
0.8
CO
14
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
79
Good
Sat
4 May
77
Good
Sun
5 May
81
Good
Mon
6 May
80
Good
Tue
7 May
80
Good
Wed
8 May
85
Good
Air quality in the last 12 months (Huili)
|
2024/02
|
35
|
51
|
37
|
30
|
34
|
29
|
28
|
31
|
32
|
42
|
44
|
41
|
31
|
30
|
36
|
36
|
29
|
31
|
28
|
27
|
34
|
41
|
50
|
39
|
36
|
35
|
31
|
27
|
33
|
||
|
2024/01
|
47
|
40
|
49
|
49
|
51
|
63
|
59
|
55
|
53
|
52
|
54
|
71
|
82
|
88
|
75
|
43
|
37
|
41
|
46
|
64
|
58
|
33
|
48
|
48
|
36
|
29
|
36
|
32
|
36
|
41
|
30
|
|
2023/12
|
51
|
38
|
41
|
39
|
46
|
32
|
47
|
63
|
59
|
34
|
29
|
44
|
43
|
27
|
36
|
43
|
40
|
24
|
32
|
48
|
58
|
44
|
39
|
46
|
41
|
34
|
44
|
48
|
45
|
50
|
53
|
|
2023/11
|
43
|
46
|
41
|
38
|
28
|
40
|
48
|
45
|
45
|
47
|
49
|
51
|
44
|
41
|
35
|
30
|
50
|
68
|
66
|
58
|
50
|
49
|
52
|
48
|
42
|
44
|
53
|
59
|
50
|
55
|
|
|
2023/10
|
21
|
18
|
18
|
20
|
24
|
26
|
20
|
28
|
24
|
23
|
37
|
38
|
24
|
23
|
28
|
38
|
34
|
38
|
40
|
27
|
48
|
55
|
48
|
47
|
36
|
29
|
32
|
40
|
38
|
47
|
47
|
|
2023/09
|
38
|
34
|
39
|
42
|
50
|
49
|
50
|
50
|
46
|
35
|
42
|
31
|
27
|
40
|
50
|
50
|
41
|
32
|
25
|
30
|
32
|
28
|
27
|
29
|
26
|
26
|
34
|
27
|
22
|
26
|
|
|
2023/08
|
27
|
32
|
29
|
28
|
22
|
33
|
27
|
35
|
33
|
30
|
33
|
40
|
32
|
50
|
42
|
42
|
46
|
41
|
37
|
41
|
29
|
32
|
40
|
24
|
32
|
29
|
25
|
31
|
42
|
32
|
41
|
|
2023/07
|
26
|
25
|
24
|
24
|
33
|
20
|
22
|
25
|
27
|
24
|
15
|
17
|
20
|
25
|
35
|
38
|
37
|
42
|
34
|
34
|
31
|
31
|
32
|
25
|
27
|
28
|
26
|
27
|
27
|
38
|
42
|
|
2023/06
|
39
|
35
|
34
|
34
|
35
|
34
|
37
|
27
|
32
|
35
|
37
|
34
|
44
|
38
|
29
|
45
|
35
|
31
|
29
|
28
|
29
|
24
|
28
|
37
|
47
|
55
|
44
|
30
|
25
|
26
|
|
|
2023/05
|
39
|
37
|
31
|
34
|
36
|
37
|
36
|
39
|
38
|
48
|
50
|
39
|
37
|
41
|
38
|
46
|
39
|
46
|
36
|
36
|
37
|
38
|
41
|
45
|
37
|
34
|
33
|
33
|
36
|
41
|
39
|
|
2023/04
|
42
|
36
|
34
|
37
|
37
|
36
|
43
|
47
|
48
|
50
|
58
|
63
|
65
|
78
|
52
|
74
|
69
|
55
|
50
|
49
|
44
|
45
|
40
|
35
|
36
|
39
|
41
|
38
|
41
|
44
|
|
|
2023/03
|
47
|
49
|
44
|
52
|
59
|
66
|
60
|
48
|
53
|
53
|
54
|
50
|
38
|
56
|
60
|
43
|
53
|
48
|
57
|
30
|
29
|
30
|
33
|
33
|
37
|
42
|
41
|
45
|
44
|
41
|
42
|
|
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