Air Quality
Excellent
No health implications.
7
PM2.5
22
PM10
89
O3
0.1
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
47
Excellent
Sat
19 Apr
49
Excellent
Sun
20 Apr
49
Excellent
Mon
21 Apr
51
Good
Tue
22 Apr
56
Good
Wed
23 Apr
53
Good
Thu
24 Apr
24
Excellent
Air quality in the last 12 months (Yumin)
|
2025/02
|
30
|
32
|
37
|
40
|
34
|
31
|
38
|
35
|
43
|
50
|
46
|
43
|
35
|
38
|
36
|
44
|
44
|
42
|
39
|
36
|
37
|
47
|
46
|
42
|
53
|
47
|
36
|
37
|
|||
|
2025/01
|
61
|
51
|
50
|
51
|
35
|
44
|
38
|
40
|
35
|
28
|
28
|
35
|
32
|
38
|
35
|
37
|
49
|
45
|
58
|
60
|
53
|
47
|
29
|
26
|
30
|
32
|
35
|
50
|
79
|
48
|
38
|
|
2024/12
|
50
|
44
|
29
|
26
|
26
|
30
|
32
|
35
|
27
|
24
|
25
|
27
|
42
|
144
|
144
|
81
|
23
|
46
|
38
|
77
|
56
|
47
|
38
|
43
|
36
|
59
|
80
|
50
|
48
|
50
|
69
|
|
2024/11
|
31
|
35
|
40
|
40
|
45
|
40
|
30
|
35
|
19
|
20
|
31
|
28
|
20
|
24
|
25
|
31
|
32
|
38
|
44
|
46
|
52
|
34
|
25
|
32
|
38
|
83
|
44
|
56
|
44
|
50
|
|
|
2024/10
|
58
|
35
|
42
|
38
|
44
|
39
|
46
|
28
|
36
|
45
|
49
|
35
|
28
|
32
|
38
|
31
|
24
|
24
|
23
|
28
|
37
|
46
|
38
|
23
|
24
|
33
|
30
|
30
|
20
|
21
|
21
|
|
2024/09
|
31
|
28
|
23
|
24
|
32
|
67
|
19
|
18
|
21
|
26
|
24
|
19
|
20
|
21
|
27
|
27
|
29
|
36
|
38
|
38
|
40
|
37
|
36
|
31
|
28
|
24
|
23
|
24
|
27
|
46
|
|
|
2024/08
|
24
|
25
|
30
|
29
|
32
|
28
|
22
|
26
|
27
|
37
|
27
|
24
|
23
|
24
|
24
|
31
|
30
|
29
|
19
|
28
|
28
|
25
|
33
|
32
|
28
|
28
|
30
|
35
|
23
|
26
|
30
|
|
2024/07
|
29
|
31
|
62
|
21
|
19
|
17
|
20
|
23
|
23
|
18
|
21
|
20
|
24
|
25
|
27
|
25
|
20
|
23
|
24
|
26
|
22
|
21
|
22
|
25
|
23
|
25
|
27
|
28
|
28
|
27
|
23
|
|
2024/06
|
26
|
30
|
25
|
28
|
30
|
29
|
29
|
27
|
36
|
35
|
28
|
42
|
26
|
22
|
25
|
23
|
25
|
25
|
22
|
26
|
28
|
33
|
32
|
37
|
37
|
43
|
30
|
35
|
38
|
33
|
|
|
2024/05
|
42
|
34
|
43
|
44
|
47
|
38
|
27
|
26
|
32
|
35
|
43
|
43
|
28
|
29
|
36
|
49
|
38
|
34
|
38
|
34
|
24
|
26
|
22
|
26
|
26
|
26
|
68
|
33
|
29
|
25
|
23
|
|
2024/04
|
20
|
24
|
30
|
23
|
27
|
31
|
38
|
33
|
35
|
26
|
21
|
51
|
72
|
121
|
100
|
65
|
37
|
28
|
34
|
37
|
37
|
42
|
43
|
41
|
44
|
42
|
42
|
38
|
34
|
38
|
|
|
2024/03
|
37
|
45
|
46
|
54
|
31
|
36
|
30
|
35
|
39
|
43
|
38
|
40
|
30
|
25
|
29
|
33
|
51
|
42
|
37
|
31
|
28
|
23
|
20
|
22
|
21
|
27
|
29
|
32
|
42
|
35
|
23
|
|
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