Air Quality
Excellent
No health implications.
8
PM2.5
8
PM10
34
O3
0.3
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
43
Excellent
Sat
18 Oct
46
Excellent
Sun
19 Oct
45
Excellent
Mon
20 Oct
47
Excellent
Tue
21 Oct
45
Excellent
Wed
22 Oct
34
Excellent
Thu
23 Oct
26
Excellent
Air quality in the last 12 months (Duolun)
|
2025/08
|
28
|
33
|
19
|
25
|
18
|
13
|
13
|
18
|
14
|
15
|
25
|
14
|
15
|
18
|
26
|
18
|
19
|
23
|
22
|
20
|
19
|
16
|
16
|
18
|
15
|
14
|
11
|
13
|
19
|
23
|
20
|
|
2025/07
|
22
|
24
|
20
|
26
|
19
|
15
|
23
|
25
|
28
|
32
|
35
|
29
|
18
|
18
|
27
|
14
|
15
|
17
|
30
|
15
|
13
|
20
|
30
|
19
|
16
|
24
|
16
|
16
|
14
|
14
|
18
|
|
2025/06
|
27
|
17
|
19
|
17
|
22
|
17
|
15
|
22
|
24
|
19
|
33
|
48
|
30
|
29
|
11
|
18
|
23
|
40
|
22
|
16
|
17
|
31
|
29
|
36
|
46
|
44
|
47
|
29
|
31
|
25
|
|
|
2025/05
|
16
|
15
|
19
|
17
|
42
|
17
|
38
|
65
|
24
|
42
|
23
|
31
|
44
|
22
|
31
|
47
|
24
|
12
|
14
|
39
|
47
|
64
|
30
|
30
|
45
|
32
|
14
|
23
|
45
|
52
|
30
|
|
2025/04
|
16
|
13
|
38
|
45
|
13
|
26
|
40
|
25
|
25
|
30
|
61
|
56
|
48
|
36
|
35
|
58
|
40
|
14
|
12
|
38
|
48
|
40
|
49
|
19
|
22
|
40
|
21
|
21
|
45
|
22
|
|
|
2025/03
|
56
|
28
|
28
|
37
|
30
|
15
|
31
|
56
|
70
|
75
|
159
|
28
|
33
|
45
|
31
|
19
|
21
|
14
|
13
|
16
|
25
|
29
|
130
|
42
|
29
|
106
|
23
|
20
|
23
|
20
|
17
|
|
2025/02
|
53
|
38
|
11
|
14
|
23
|
25
|
13
|
10
|
13
|
29
|
56
|
27
|
40
|
33
|
78
|
17
|
14
|
15
|
12
|
15
|
11
|
17
|
12
|
23
|
24
|
24
|
51
|
45
|
|||
|
2025/01
|
35
|
14
|
17
|
21
|
26
|
11
|
12
|
11
|
11
|
14
|
23
|
15
|
14
|
13
|
24
|
41
|
31
|
32
|
24
|
32
|
20
|
24
|
48
|
57
|
73
|
70
|
10
|
17
|
79
|
28
|
46
|
|
2024/12
|
25
|
13
|
14
|
12
|
15
|
18
|
12
|
16
|
16
|
27
|
24
|
31
|
15
|
17
|
19
|
19
|
14
|
13
|
20
|
28
|
12
|
13
|
21
|
37
|
44
|
15
|
14
|
27
|
60
|
47
|
30
|
|
2024/11
|
52
|
50
|
34
|
13
|
17
|
19
|
43
|
75
|
86
|
47
|
34
|
32
|
48
|
44
|
38
|
35
|
21
|
24
|
42
|
34
|
14
|
17
|
39
|
65
|
32
|
17
|
19
|
12
|
11
|
20
|
|
|
2024/10
|
12
|
11
|
13
|
33
|
48
|
22
|
12
|
17
|
33
|
19
|
27
|
44
|
64
|
46
|
18
|
40
|
48
|
24
|
16
|
21
|
32
|
14
|
25
|
28
|
51
|
59
|
14
|
16
|
25
|
24
|
53
|
|
2024/09
|
14
|
12
|
17
|
21
|
13
|
13
|
12
|
16
|
20
|
13
|
18
|
21
|
16
|
11
|
13
|
13
|
10
|
15
|
31
|
11
|
12
|
12
|
17
|
26
|
17
|
19
|
34
|
35
|
33
|
9
|
|
|
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