Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
37
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
56
Good
Mon
23 Jun
59
Good
Tue
24 Jun
52
Good
Wed
25 Jun
51
Good
Thu
26 Jun
53
Good
Fri
27 Jun
53
Good
Sat
28 Jun
46
Excellent
Doumen Air quality rank
Air quality in the last 12 months (Doumen)
|
2025/05
|
38
|
32
|
31
|
22
|
20
|
22
|
14
|
23
|
24
|
44
|
32
|
39
|
41
|
32
|
21
|
16
|
13
|
14
|
15
|
15
|
18
|
16
|
19
|
23
|
42
|
48
|
38
|
29
|
24
|
14
|
26
|
|
2025/04
|
33
|
44
|
38
|
41
|
34
|
62
|
65
|
59
|
48
|
39
|
26
|
26
|
166
|
155
|
110
|
88
|
66
|
51
|
31
|
25
|
23
|
24
|
25
|
20
|
20
|
27
|
38
|
42
|
44
|
50
|
|
|
2025/03
|
38
|
35
|
25
|
27
|
38
|
15
|
25
|
42
|
54
|
46
|
40
|
35
|
34
|
35
|
29
|
19
|
41
|
50
|
53
|
52
|
53
|
51
|
44
|
48
|
42
|
38
|
29
|
32
|
17
|
11
|
15
|
|
2025/02
|
41
|
32
|
12
|
19
|
38
|
47
|
27
|
35
|
48
|
45
|
43
|
41
|
50
|
45
|
38
|
57
|
52
|
59
|
48
|
39
|
41
|
48
|
42
|
25
|
51
|
91
|
65
|
40
|
|||
|
2025/01
|
89
|
76
|
60
|
67
|
78
|
90
|
62
|
63
|
75
|
52
|
44
|
39
|
62
|
56
|
63
|
62
|
57
|
68
|
81
|
77
|
51
|
62
|
69
|
41
|
26
|
19
|
18
|
36
|
81
|
42
|
33
|
|
2024/12
|
56
|
68
|
60
|
45
|
56
|
79
|
64
|
37
|
51
|
74
|
61
|
43
|
44
|
48
|
46
|
48
|
72
|
60
|
50
|
63
|
66
|
57
|
63
|
66
|
68
|
72
|
84
|
61
|
70
|
117
|
89
|
|
2024/11
|
41
|
31
|
51
|
57
|
47
|
60
|
56
|
46
|
52
|
51
|
52
|
59
|
55
|
29
|
17
|
30
|
30
|
34
|
17
|
12
|
26
|
33
|
39
|
52
|
47
|
28
|
34
|
37
|
41
|
57
|
|
|
2024/10
|
33
|
25
|
34
|
38
|
45
|
44
|
49
|
55
|
60
|
43
|
39
|
43
|
42
|
31
|
33
|
26
|
27
|
26
|
42
|
27
|
37
|
36
|
24
|
33
|
37
|
43
|
45
|
29
|
37
|
42
|
45
|
|
2024/09
|
15
|
19
|
33
|
35
|
28
|
14
|
21
|
23
|
12
|
20
|
32
|
23
|
25
|
26
|
38
|
25
|
29
|
19
|
27
|
31
|
13
|
12
|
12
|
18
|
16
|
17
|
23
|
33
|
23
|
36
|
|
|
2024/08
|
22
|
21
|
19
|
21
|
30
|
33
|
28
|
18
|
17
|
19
|
19
|
17
|
24
|
22
|
20
|
14
|
14
|
14
|
14
|
13
|
13
|
17
|
20
|
22
|
20
|
22
|
22
|
34
|
32
|
26
|
12
|
|
2024/07
|
25
|
22
|
13
|
12
|
17
|
14
|
10
|
14
|
16
|
12
|
9
|
12
|
11
|
13
|
12
|
13
|
11
|
15
|
15
|
17
|
12
|
13
|
13
|
18
|
23
|
21
|
21
|
14
|
8
|
7
|
12
|
|
2024/06
|
10
|
16
|
14
|
12
|
23
|
34
|
24
|
12
|
15
|
15
|
15
|
19
|
25
|
22
|
18
|
18
|
18
|
17
|
20
|
18
|
15
|
23
|
11
|
12
|
15
|
16
|
16
|
13
|
11
|
18
|
|
|
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