Air Quality
Excellent
No health implications.
23
PM2.5
36
PM10
112
O3
0.8
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Oct
56
Good
Mon
2 Oct
58
Good
Tue
3 Oct
68
Good
Wed
4 Oct
54
Good
Thu
5 Oct
49
Excellent
Fri
6 Oct
46
Excellent
Sat
7 Oct
38
Excellent
Air quality in the last 12 months (Huicheng)
|
2023/08
|
22
|
28
|
51
|
28
|
28
|
27
|
32
|
34
|
41
|
32
|
28
|
35
|
24
|
29
|
33
|
44
|
35
|
36
|
44
|
23
|
23
|
29
|
26
|
22
|
25
|
29
|
21
|
23
|
22
|
28
|
26
|
|
2023/07
|
22
|
17
|
17
|
18
|
24
|
21
|
21
|
24
|
20
|
24
|
29
|
25
|
22
|
30
|
48
|
23
|
17
|
22
|
14
|
20
|
33
|
22
|
20
|
21
|
38
|
37
|
25
|
24
|
34
|
19
|
20
|
|
2023/06
|
47
|
51
|
38
|
24
|
25
|
21
|
15
|
19
|
19
|
23
|
23
|
25
|
30
|
28
|
27
|
18
|
18
|
22
|
26
|
26
|
25
|
24
|
20
|
25
|
17
|
20
|
20
|
13
|
21
|
22
|
|
|
2023/05
|
48
|
41
|
36
|
28
|
28
|
26
|
26
|
28
|
36
|
42
|
36
|
20
|
32
|
42
|
40
|
35
|
26
|
49
|
41
|
41
|
28
|
32
|
27
|
36
|
38
|
26
|
32
|
33
|
55
|
62
|
47
|
|
2023/04
|
30
|
33
|
34
|
37
|
25
|
30
|
26
|
58
|
63
|
44
|
42
|
49
|
44
|
59
|
51
|
55
|
42
|
37
|
31
|
36
|
29
|
31
|
41
|
42
|
17
|
21
|
35
|
38
|
32
|
50
|
|
|
2023/03
|
62
|
61
|
73
|
57
|
59
|
64
|
59
|
67
|
61
|
61
|
54
|
55
|
79
|
74
|
57
|
57
|
46
|
50
|
34
|
37
|
41
|
35
|
39
|
29
|
28
|
13
|
15
|
18
|
23
|
25
|
27
|
|
2023/02
|
41
|
41
|
53
|
52
|
48
|
25
|
40
|
31
|
32
|
33
|
22
|
26
|
28
|
18
|
26
|
40
|
49
|
58
|
54
|
57
|
72
|
51
|
46
|
52
|
42
|
53
|
55
|
45
|
|||
|
2023/01
|
48
|
45
|
43
|
51
|
54
|
43
|
44
|
52
|
35
|
15
|
24
|
34
|
24
|
30
|
20
|
17
|
33
|
37
|
41
|
42
|
56
|
79
|
80
|
43
|
59
|
57
|
58
|
57
|
50
|
44
|
44
|
|
2022/12
|
12
|
14
|
26
|
20
|
16
|
18
|
23
|
34
|
36
|
37
|
46
|
55
|
58
|
27
|
26
|
17
|
44
|
30
|
37
|
55
|
44
|
42
|
45
|
33
|
35
|
50
|
52
|
58
|
91
|
52
|
43
|
|
2022/11
|
39
|
19
|
17
|
21
|
20
|
20
|
19
|
23
|
37
|
53
|
53
|
51
|
56
|
53
|
56
|
54
|
45
|
52
|
46
|
34
|
48
|
33
|
15
|
10
|
24
|
15
|
35
|
34
|
33
|
22
|
|
|
2022/10
|
24
|
23
|
23
|
38
|
40
|
32
|
39
|
33
|
42
|
37
|
42
|
42
|
44
|
47
|
47
|
47
|
49
|
54
|
40
|
47
|
50
|
49
|
51
|
58
|
52
|
50
|
48
|
50
|
42
|
36
|
48
|
|
2022/09
|
33
|
27
|
42
|
34
|
43
|
55
|
37
|
39
|
44
|
59
|
58
|
59
|
58
|
53
|
56
|
62
|
70
|
80
|
54
|
52
|
53
|
50
|
49
|
50
|
56
|
50
|
39
|
33
|
33
|
24
|
|
|
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