Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
*
PM2.5
84
PM10
28
O3
0.9
CO
9
SO2
43
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Feb
42
Excellent
Thu
20 Feb
45
Excellent
Fri
21 Feb
45
Excellent
Sat
22 Feb
49
Excellent
Sun
23 Feb
44
Excellent
Mon
24 Feb
45
Excellent
Tue
25 Feb
42
Excellent
Air quality in the last 12 months (Huidong)
|
2025/01
|
52
|
48
|
51
|
51
|
44
|
54
|
41
|
31
|
38
|
42
|
22
|
42
|
46
|
42
|
44
|
62
|
55
|
56
|
57
|
60
|
53
|
50
|
58
|
42
|
33
|
34
|
43
|
47
|
58
|
51
|
36
|
|
2024/12
|
41
|
41
|
44
|
39
|
38
|
42
|
42
|
43
|
34
|
31
|
37
|
43
|
40
|
31
|
41
|
52
|
45
|
41
|
40
|
36
|
46
|
40
|
40
|
43
|
47
|
48
|
55
|
54
|
54
|
45
|
43
|
|
2024/11
|
29
|
26
|
35
|
28
|
29
|
43
|
31
|
17
|
21
|
33
|
33
|
32
|
33
|
41
|
45
|
43
|
43
|
39
|
42
|
41
|
37
|
26
|
29
|
28
|
33
|
30
|
31
|
34
|
31
|
32
|
|
|
2024/10
|
14
|
23
|
29
|
32
|
21
|
18
|
20
|
29
|
21
|
21
|
21
|
25
|
32
|
31
|
25
|
23
|
30
|
37
|
42
|
36
|
29
|
25
|
25
|
36
|
39
|
36
|
25
|
32
|
42
|
39
|
35
|
|
2024/09
|
29
|
18
|
25
|
28
|
22
|
26
|
32
|
26
|
24
|
18
|
24
|
25
|
28
|
32
|
36
|
25
|
24
|
27
|
37
|
39
|
35
|
27
|
24
|
40
|
35
|
33
|
38
|
19
|
21
|
25
|
|
|
2024/08
|
38
|
40
|
33
|
28
|
25
|
23
|
21
|
18
|
19
|
24
|
46
|
41
|
43
|
46
|
45
|
39
|
37
|
31
|
35
|
38
|
39
|
41
|
30
|
36
|
34
|
29
|
26
|
37
|
40
|
42
|
35
|
|
2024/07
|
21
|
22
|
20
|
13
|
12
|
19
|
15
|
16
|
20
|
23
|
17
|
20
|
21
|
24
|
17
|
21
|
23
|
28
|
28
|
24
|
25
|
30
|
33
|
34
|
26
|
33
|
40
|
31
|
20
|
17
|
32
|
|
2024/06
|
32
|
36
|
25
|
23
|
17
|
24
|
18
|
18
|
13
|
25
|
22
|
20
|
25
|
21
|
29
|
34
|
21
|
24
|
24
|
30
|
32
|
28
|
23
|
20
|
24
|
28
|
25
|
16
|
20
|
25
|
|
|
2024/05
|
43
|
43
|
33
|
36
|
47
|
43
|
37
|
34
|
28
|
32
|
27
|
19
|
22
|
32
|
21
|
29
|
37
|
28
|
22
|
24
|
28
|
35
|
29
|
29
|
22
|
15
|
19
|
23
|
18
|
21
|
20
|
|
2024/04
|
23
|
34
|
41
|
41
|
41
|
52
|
40
|
34
|
40
|
38
|
45
|
47
|
36
|
43
|
46
|
47
|
53
|
38
|
38
|
36
|
25
|
37
|
42
|
36
|
33
|
40
|
41
|
46
|
33
|
40
|
|
|
2024/03
|
30
|
35
|
26
|
26
|
24
|
27
|
27
|
28
|
28
|
34
|
30
|
54
|
49
|
42
|
45
|
43
|
46
|
37
|
46
|
55
|
52
|
34
|
20
|
25
|
33
|
35
|
38
|
32
|
37
|
45
|
35
|
|
2024/02
|
35
|
49
|
39
|
30
|
34
|
29
|
27
|
30
|
32
|
43
|
44
|
39
|
31
|
31
|
39
|
38
|
28
|
31
|
29
|
29
|
34
|
41
|
49
|
39
|
40
|
35
|
31
|
28
|
32
|
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22
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27
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28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution