Air Quality
Excellent
No health implications.
16
PM2.5
35
PM10
19
O3
0.4
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
57
Good
Sat
10 May
59
Good
Sun
11 May
60
Good
Mon
12 May
61
Good
Tue
13 May
62
Good
Wed
14 May
49
Excellent
Thu
15 May
47
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