Air Quality
Excellent
No health implications.
14
PM2.5
19
PM10
72
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
55
Good
Sun
5 May
52
Good
Mon
6 May
54
Good
Tue
7 May
52
Good
Wed
8 May
53
Good
Thu
9 May
52
Good
Air quality in the last 12 months (Dehua)
|
2024/02
|
51
|
29
|
24
|
22
|
19
|
19
|
12
|
19
|
40
|
106
|
46
|
39
|
43
|
51
|
57
|
24
|
36
|
58
|
37
|
29
|
32
|
27
|
15
|
26
|
40
|
24
|
22
|
36
|
48
|
||
|
2024/01
|
77
|
65
|
34
|
37
|
50
|
60
|
71
|
62
|
56
|
43
|
66
|
70
|
46
|
41
|
62
|
50
|
39
|
54
|
53
|
33
|
19
|
16
|
20
|
29
|
41
|
54
|
64
|
69
|
40
|
35
|
46
|
|
2023/12
|
46
|
34
|
30
|
24
|
28
|
27
|
30
|
44
|
55
|
62
|
65
|
29
|
19
|
33
|
51
|
19
|
23
|
20
|
17
|
12
|
29
|
38
|
24
|
31
|
39
|
44
|
42
|
45
|
43
|
55
|
60
|
|
2023/11
|
28
|
33
|
40
|
45
|
58
|
47
|
31
|
37
|
41
|
38
|
18
|
19
|
19
|
24
|
24
|
21
|
48
|
53
|
51
|
42
|
36
|
35
|
40
|
60
|
38
|
33
|
46
|
53
|
52
|
56
|
|
|
2023/10
|
30
|
33
|
35
|
34
|
27
|
25
|
19
|
16
|
20
|
20
|
27
|
27
|
28
|
32
|
42
|
42
|
45
|
45
|
54
|
37
|
23
|
21
|
22
|
28
|
36
|
34
|
23
|
28
|
31
|
32
|
28
|
|
2023/09
|
22
|
19
|
15
|
13
|
14
|
13
|
19
|
25
|
31
|
35
|
38
|
39
|
40
|
40
|
30
|
43
|
48
|
40
|
33
|
37
|
41
|
27
|
22
|
23
|
24
|
24
|
26
|
27
|
22
|
26
|
|
|
2023/08
|
27
|
33
|
37
|
36
|
45
|
48
|
49
|
38
|
39
|
32
|
26
|
22
|
29
|
32
|
33
|
31
|
27
|
33
|
27
|
25
|
31
|
31
|
25
|
28
|
37
|
28
|
23
|
31
|
33
|
15
|
16
|
|
2023/07
|
20
|
18
|
20
|
21
|
23
|
31
|
32
|
37
|
46
|
42
|
33
|
28
|
30
|
35
|
34
|
20
|
21
|
20
|
22
|
28
|
24
|
25
|
28
|
33
|
25
|
17
|
14
|
14
|
17
|
21
|
27
|
|
2023/06
|
30
|
38
|
38
|
45
|
44
|
32
|
32
|
28
|
22
|
20
|
30
|
38
|
40
|
36
|
25
|
26
|
25
|
28
|
30
|
33
|
34
|
33
|
23
|
21
|
24
|
22
|
29
|
31
|
24
|
21
|
|
|
2023/05
|
43
|
44
|
47
|
33
|
29
|
29
|
19
|
24
|
28
|
37
|
43
|
47
|
53
|
62
|
68
|
52
|
41
|
34
|
44
|
34
|
36
|
29
|
42
|
53
|
59
|
58
|
50
|
36
|
24
|
25
|
26
|
|
2023/04
|
41
|
46
|
40
|
50
|
27
|
31
|
22
|
53
|
44
|
44
|
53
|
53
|
79
|
74
|
45
|
58
|
62
|
42
|
28
|
31
|
25
|
41
|
59
|
55
|
36
|
22
|
38
|
51
|
51
|
31
|
|
|
2023/03
|
50
|
59
|
56
|
54
|
51
|
53
|
51
|
56
|
61
|
51
|
51
|
51
|
56
|
50
|
58
|
62
|
50
|
48
|
37
|
60
|
70
|
54
|
42
|
34
|
22
|
21
|
37
|
38
|
27
|
38
|
38
|
|
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