Air Quality
Excellent
No health implications.
16
PM2.5
36
PM10
70
O3
0.6
CO
10
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
59
Good
Tue
6 May
56
Good
Wed
7 May
58
Good
Thu
8 May
54
Good
Fri
9 May
57
Good
Sat
10 May
52
Good
Sun
11 May
42
Excellent
Air quality in the last 12 months (Huiyang)
|
2025/02
|
25
|
22
|
11
|
18
|
36
|
38
|
19
|
47
|
39
|
38
|
31
|
23
|
42
|
43
|
36
|
45
|
43
|
64
|
43
|
40
|
38
|
45
|
14
|
23
|
48
|
41
|
42
|
30
|
|||
|
2025/01
|
62
|
58
|
55
|
57
|
59
|
66
|
63
|
66
|
61
|
44
|
45
|
39
|
50
|
57
|
56
|
64
|
51
|
56
|
53
|
56
|
49
|
52
|
38
|
29
|
25
|
21
|
21
|
42
|
103
|
43
|
27
|
|
2024/12
|
52
|
53
|
46
|
46
|
50
|
60
|
49
|
30
|
35
|
43
|
46
|
23
|
29
|
55
|
39
|
37
|
48
|
40
|
48
|
60
|
45
|
50
|
58
|
60
|
51
|
48
|
58
|
67
|
71
|
70
|
62
|
|
2024/11
|
23
|
22
|
41
|
41
|
41
|
49
|
37
|
31
|
36
|
44
|
45
|
40
|
40
|
12
|
25
|
18
|
19
|
23
|
12
|
8
|
15
|
22
|
33
|
38
|
26
|
14
|
29
|
28
|
31
|
45
|
|
|
2024/10
|
25
|
26
|
34
|
29
|
30
|
32
|
32
|
41
|
38
|
28
|
35
|
42
|
32
|
28
|
28
|
24
|
23
|
25
|
37
|
28
|
28
|
27
|
23
|
33
|
35
|
38
|
41
|
15
|
19
|
33
|
32
|
|
2024/09
|
19
|
33
|
24
|
26
|
21
|
9
|
13
|
10
|
11
|
20
|
33
|
35
|
27
|
27
|
17
|
15
|
20
|
16
|
27
|
22
|
14
|
13
|
10
|
13
|
18
|
40
|
55
|
29
|
24
|
36
|
|
|
2024/08
|
23
|
22
|
27
|
34
|
50
|
36
|
33
|
39
|
23
|
23
|
26
|
24
|
19
|
27
|
26
|
19
|
11
|
16
|
18
|
17
|
13
|
20
|
29
|
34
|
32
|
33
|
39
|
44
|
30
|
25
|
13
|
|
2024/07
|
18
|
17
|
12
|
13
|
12
|
10
|
12
|
18
|
12
|
12
|
9
|
9
|
10
|
15
|
12
|
12
|
12
|
13
|
14
|
16
|
14
|
11
|
19
|
37
|
41
|
20
|
15
|
9
|
9
|
8
|
11
|
|
2024/06
|
12
|
26
|
19
|
26
|
25
|
20
|
17
|
15
|
11
|
16
|
23
|
29
|
28
|
26
|
19
|
22
|
22
|
21
|
23
|
17
|
21
|
26
|
16
|
26
|
12
|
16
|
13
|
12
|
12
|
14
|
|
|
2024/05
|
17
|
26
|
26
|
23
|
17
|
39
|
29
|
39
|
40
|
41
|
34
|
41
|
32
|
30
|
38
|
48
|
48
|
43
|
36
|
21
|
17
|
18
|
18
|
16
|
16
|
21
|
25
|
20
|
28
|
27
|
17
|
|
2024/04
|
43
|
45
|
23
|
26
|
41
|
25
|
29
|
28
|
20
|
35
|
44
|
50
|
52
|
28
|
33
|
37
|
25
|
34
|
29
|
22
|
16
|
29
|
26
|
27
|
16
|
20
|
29
|
11
|
23
|
22
|
|
|
2024/03
|
19
|
21
|
36
|
41
|
40
|
39
|
30
|
36
|
59
|
16
|
20
|
21
|
64
|
52
|
70
|
63
|
49
|
43
|
30
|
57
|
55
|
56
|
47
|
30
|
38
|
46
|
34
|
48
|
60
|
39
|
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