Air Quality
Excellent
No health implications.
19
PM2.5
26
PM10
95
O3
0.5
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Sep
56
Good
Tue
30 Sep
62
Good
Wed
1 Oct
58
Good
Thu
2 Oct
53
Good
Fri
3 Oct
53
Good
Sat
4 Oct
53
Good
Sun
5 Oct
22
Excellent
Air quality in the last 12 months (Dehua)
|
2025/08
|
28
|
24
|
19
|
17
|
16
|
22
|
30
|
37
|
28
|
24
|
20
|
25
|
20
|
15
|
13
|
13
|
17
|
19
|
20
|
17
|
19
|
29
|
35
|
30
|
19
|
15
|
14
|
16
|
15
|
15
|
22
|
|
2025/07
|
25
|
18
|
21
|
20
|
14
|
17
|
19
|
36
|
35
|
14
|
11
|
17
|
29
|
18
|
32
|
37
|
37
|
20
|
13
|
12
|
10
|
9
|
12
|
14
|
17
|
19
|
22
|
17
|
18
|
28
|
30
|
|
2025/06
|
35
|
35
|
12
|
16
|
28
|
33
|
39
|
38
|
23
|
26
|
24
|
13
|
16
|
17
|
19
|
21
|
24
|
26
|
19
|
19
|
19
|
22
|
29
|
27
|
25
|
21
|
21
|
19
|
26
|
22
|
|
|
2025/05
|
53
|
45
|
52
|
49
|
35
|
38
|
48
|
42
|
27
|
29
|
23
|
29
|
36
|
40
|
36
|
33
|
27
|
25
|
28
|
30
|
31
|
41
|
37
|
17
|
38
|
34
|
30
|
17
|
10
|
18
|
35
|
|
2025/04
|
14
|
28
|
36
|
45
|
46
|
42
|
49
|
52
|
68
|
41
|
44
|
45
|
103
|
82
|
76
|
62
|
59
|
59
|
48
|
26
|
39
|
45
|
31
|
25
|
11
|
8
|
25
|
37
|
37
|
40
|
|
|
2025/03
|
59
|
39
|
30
|
24
|
10
|
8
|
20
|
30
|
32
|
38
|
49
|
55
|
39
|
26
|
30
|
11
|
42
|
34
|
38
|
40
|
38
|
41
|
51
|
62
|
72
|
64
|
51
|
43
|
8
|
6
|
7
|
|
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
|
|
|
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