Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
27
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
59
Good
Sat
28 Jun
61
Good
Sun
29 Jun
58
Good
Mon
30 Jun
63
Good
Tue
1 Jul
56
Good
Wed
2 Jul
56
Good
Thu
3 Jul
46
Excellent
Air quality in the last 12 months (Huicheng)
|
2025/05
|
41
|
47
|
53
|
35
|
34
|
28
|
26
|
35
|
30
|
29
|
30
|
38
|
41
|
33
|
21
|
19
|
26
|
27
|
24
|
22
|
20
|
24
|
25
|
25
|
49
|
37
|
43
|
37
|
25
|
17
|
31
|
|
2025/04
|
18
|
29
|
41
|
50
|
25
|
45
|
52
|
57
|
49
|
43
|
36
|
40
|
195
|
153
|
105
|
89
|
65
|
55
|
30
|
34
|
28
|
30
|
35
|
25
|
19
|
22
|
33
|
32
|
33
|
48
|
|
|
2025/03
|
32
|
32
|
33
|
24
|
11
|
11
|
18
|
28
|
38
|
45
|
44
|
28
|
29
|
27
|
22
|
11
|
48
|
38
|
43
|
44
|
50
|
50
|
56
|
60
|
61
|
47
|
35
|
41
|
9
|
7
|
8
|
|
2025/02
|
29
|
36
|
9
|
23
|
36
|
38
|
21
|
53
|
38
|
43
|
33
|
28
|
41
|
43
|
48
|
54
|
39
|
47
|
40
|
41
|
24
|
31
|
12
|
25
|
43
|
38
|
49
|
31
|
|||
|
2025/01
|
67
|
58
|
54
|
56
|
61
|
73
|
69
|
64
|
60
|
41
|
44
|
36
|
50
|
60
|
54
|
63
|
50
|
57
|
57
|
57
|
59
|
54
|
48
|
34
|
28
|
18
|
24
|
43
|
78
|
51
|
39
|
|
2024/12
|
61
|
61
|
56
|
55
|
55
|
66
|
49
|
31
|
39
|
45
|
52
|
21
|
34
|
63
|
39
|
43
|
54
|
44
|
55
|
64
|
48
|
57
|
67
|
64
|
57
|
55
|
64
|
70
|
76
|
78
|
63
|
|
2024/11
|
24
|
25
|
42
|
44
|
42
|
51
|
40
|
36
|
43
|
45
|
49
|
45
|
40
|
20
|
19
|
13
|
24
|
23
|
13
|
14
|
19
|
24
|
32
|
36
|
25
|
13
|
29
|
31
|
33
|
45
|
|
|
2024/10
|
25
|
25
|
36
|
30
|
35
|
36
|
36
|
46
|
36
|
31
|
40
|
48
|
43
|
35
|
38
|
33
|
31
|
31
|
43
|
38
|
30
|
28
|
22
|
35
|
41
|
43
|
35
|
14
|
21
|
37
|
33
|
|
2024/09
|
24
|
36
|
28
|
25
|
18
|
10
|
15
|
14
|
12
|
23
|
36
|
41
|
30
|
25
|
18
|
19
|
18
|
16
|
30
|
25
|
13
|
18
|
12
|
13
|
21
|
43
|
43
|
25
|
31
|
35
|
|
|
2024/08
|
28
|
30
|
34
|
42
|
53
|
35
|
36
|
47
|
36
|
28
|
31
|
29
|
20
|
28
|
28
|
25
|
16
|
20
|
20
|
23
|
12
|
21
|
27
|
33
|
30
|
43
|
47
|
45
|
32
|
24
|
17
|
|
2024/07
|
21
|
22
|
14
|
19
|
23
|
16
|
17
|
27
|
22
|
19
|
14
|
16
|
16
|
20
|
17
|
15
|
14
|
20
|
22
|
20
|
18
|
17
|
23
|
34
|
47
|
20
|
16
|
8
|
12
|
12
|
14
|
|
2024/06
|
9
|
22
|
18
|
21
|
29
|
12
|
15
|
15
|
15
|
12
|
20
|
24
|
27
|
23
|
19
|
22
|
21
|
17
|
22
|
15
|
22
|
28
|
13
|
12
|
15
|
20
|
18
|
18
|
16
|
17
|
|
|
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