Air Quality
Excellent
No health implications.
16
PM2.5
27
PM10
34
O3
0.6
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
38
Excellent
Sat
20 Apr
30
Excellent
Sun
21 Apr
40
Excellent
Mon
22 Apr
33
Excellent
Tue
23 Apr
35
Excellent
Wed
24 Apr
40
Excellent
Thu
25 Apr
57
Good
Air quality in the last 12 months (Huicheng)
|
2024/02
|
38
|
30
|
23
|
31
|
14
|
23
|
13
|
12
|
28
|
68
|
79
|
68
|
54
|
46
|
41
|
33
|
28
|
29
|
30
|
22
|
27
|
28
|
25
|
19
|
16
|
19
|
20
|
39
|
36
|
||
|
2024/01
|
69
|
77
|
47
|
35
|
62
|
66
|
57
|
62
|
53
|
26
|
40
|
62
|
68
|
59
|
56
|
51
|
58
|
54
|
44
|
44
|
25
|
22
|
29
|
34
|
36
|
41
|
47
|
39
|
53
|
54
|
53
|
|
2023/12
|
44
|
39
|
44
|
46
|
26
|
31
|
36
|
56
|
60
|
48
|
47
|
43
|
41
|
53
|
49
|
26
|
31
|
37
|
16
|
28
|
29
|
51
|
40
|
39
|
42
|
60
|
66
|
68
|
67
|
59
|
50
|
|
2023/11
|
46
|
49
|
52
|
46
|
40
|
44
|
40
|
58
|
48
|
48
|
27
|
16
|
17
|
29
|
36
|
41
|
56
|
64
|
63
|
67
|
61
|
63
|
64
|
61
|
66
|
55
|
62
|
54
|
65
|
51
|
|
|
2023/10
|
36
|
31
|
42
|
46
|
32
|
31
|
17
|
13
|
13
|
13
|
18
|
25
|
28
|
43
|
50
|
45
|
46
|
47
|
45
|
30
|
21
|
26
|
33
|
46
|
52
|
50
|
52
|
41
|
35
|
35
|
40
|
|
2023/09
|
18
|
17
|
20
|
34
|
30
|
17
|
18
|
21
|
26
|
25
|
19
|
21
|
20
|
18
|
15
|
17
|
22
|
32
|
30
|
41
|
48
|
44
|
37
|
29
|
27
|
30
|
36
|
39
|
32
|
33
|
|
|
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
|
|
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