Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
43
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
51
Good
Wed
16 Jul
51
Good
Thu
17 Jul
86
Good
Fri
18 Jul
116
Light
Sat
19 Jul
88
Good
Sun
20 Jul
59
Good
Mon
21 Jul
15
Excellent
Doumen Air quality rank
Air quality in the last 12 months (Doumen)
|
2025/06
|
28
|
25
|
25
|
24
|
20
|
22
|
19
|
14
|
14
|
13
|
13
|
12
|
12
|
20
|
26
|
20
|
15
|
13
|
11
|
9
|
12
|
11
|
10
|
11
|
15
|
11
|
10
|
9
|
9
|
11
|
|
|
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
|
|
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