Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
20
O3
0.5
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
63
Good
Sun
11 May
59
Good
Mon
12 May
65
Good
Tue
13 May
63
Good
Wed
14 May
62
Good
Thu
15 May
47
Excellent
Fri
16 May
24
Excellent
Air quality in the last 12 months (Dehua)
|
2025/02
|
38
|
18
|
9
|
35
|
41
|
37
|
17
|
47
|
29
|
32
|
33
|
89
|
40
|
39
|
40
|
57
|
50
|
53
|
29
|
18
|
13
|
15
|
9
|
29
|
47
|
62
|
64
|
57
|
|||
|
2025/01
|
56
|
52
|
44
|
36
|
38
|
48
|
53
|
50
|
49
|
45
|
30
|
38
|
42
|
42
|
62
|
62
|
48
|
38
|
39
|
38
|
48
|
46
|
42
|
28
|
24
|
24
|
19
|
38
|
90
|
33
|
30
|
|
2024/12
|
41
|
41
|
30
|
34
|
36
|
39
|
24
|
35
|
38
|
31
|
30
|
15
|
16
|
42
|
59
|
49
|
43
|
37
|
40
|
30
|
37
|
52
|
35
|
23
|
30
|
44
|
59
|
69
|
48
|
45
|
54
|
|
2024/11
|
11
|
12
|
24
|
28
|
33
|
32
|
22
|
22
|
26
|
33
|
25
|
17
|
14
|
18
|
22
|
15
|
16
|
11
|
10
|
10
|
11
|
20
|
24
|
23
|
14
|
14
|
28
|
24
|
30
|
39
|
|
|
2024/10
|
9
|
7
|
14
|
13
|
13
|
18
|
17
|
10
|
18
|
30
|
32
|
30
|
25
|
31
|
26
|
21
|
24
|
32
|
31
|
12
|
18
|
22
|
23
|
23
|
19
|
19
|
20
|
11
|
22
|
28
|
14
|
|
2024/09
|
38
|
33
|
28
|
19
|
17
|
15
|
15
|
18
|
14
|
29
|
40
|
38
|
19
|
20
|
18
|
23
|
16
|
18
|
19
|
18
|
19
|
8
|
7
|
14
|
20
|
18
|
18
|
15
|
19
|
12
|
|
|
2024/08
|
28
|
37
|
44
|
40
|
31
|
33
|
34
|
36
|
33
|
37
|
41
|
39
|
29
|
25
|
20
|
16
|
14
|
18
|
20
|
15
|
17
|
24
|
28
|
34
|
35
|
35
|
48
|
37
|
30
|
39
|
37
|
|
2024/07
|
20
|
21
|
22
|
24
|
27
|
21
|
20
|
20
|
21
|
25
|
25
|
23
|
24
|
28
|
29
|
29
|
21
|
22
|
23
|
24
|
27
|
29
|
22
|
15
|
10
|
8
|
10
|
22
|
21
|
26
|
22
|
|
2024/06
|
14
|
6
|
15
|
24
|
18
|
18
|
22
|
32
|
25
|
21
|
21
|
28
|
24
|
23
|
22
|
19
|
20
|
24
|
26
|
21
|
25
|
29
|
26
|
21
|
25
|
27
|
23
|
21
|
19
|
20
|
|
|
2024/05
|
23
|
15
|
27
|
32
|
31
|
36
|
46
|
40
|
41
|
36
|
50
|
39
|
15
|
26
|
33
|
41
|
41
|
44
|
33
|
16
|
8
|
8
|
23
|
37
|
40
|
24
|
19
|
21
|
22
|
30
|
27
|
|
2024/04
|
29
|
47
|
43
|
34
|
22
|
30
|
19
|
32
|
19
|
41
|
46
|
58
|
62
|
57
|
59
|
60
|
44
|
38
|
42
|
47
|
28
|
34
|
33
|
26
|
47
|
35
|
34
|
26
|
39
|
28
|
|
|
2024/03
|
13
|
21
|
37
|
46
|
62
|
29
|
27
|
52
|
57
|
55
|
37
|
39
|
61
|
55
|
37
|
55
|
61
|
39
|
39
|
49
|
52
|
68
|
59
|
43
|
33
|
34
|
35
|
45
|
43
|
50
|
33
|
|
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