Air Quality
Excellent
No health implications.
5
PM2.5
14
PM10
64
O3
0.4
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
41
Excellent
Mon
20 Oct
39
Excellent
Tue
21 Oct
38
Excellent
Wed
22 Oct
39
Excellent
Thu
23 Oct
43
Excellent
Fri
24 Oct
45
Excellent
Sat
25 Oct
30
Excellent
Air quality in the last 12 months (Yongjia)
|
2025/08
|
38
|
38
|
38
|
29
|
22
|
33
|
43
|
50
|
49
|
47
|
38
|
27
|
22
|
18
|
16
|
19
|
21
|
21
|
23
|
35
|
31
|
29
|
26
|
20
|
21
|
22
|
20
|
19
|
18
|
15
|
20
|
|
2025/07
|
21
|
24
|
27
|
29
|
20
|
17
|
9
|
9
|
19
|
22
|
24
|
25
|
28
|
38
|
49
|
40
|
36
|
21
|
18
|
18
|
11
|
16
|
23
|
20
|
17
|
12
|
18
|
20
|
18
|
17
|
35
|
|
2025/06
|
36
|
42
|
22
|
30
|
35
|
46
|
39
|
35
|
28
|
23
|
12
|
23
|
20
|
28
|
27
|
19
|
43
|
39
|
28
|
23
|
33
|
40
|
22
|
32
|
27
|
28
|
32
|
26
|
22
|
17
|
|
|
2025/05
|
41
|
50
|
59
|
33
|
44
|
52
|
62
|
52
|
44
|
34
|
34
|
38
|
39
|
36
|
35
|
41
|
47
|
23
|
33
|
40
|
29
|
28
|
42
|
25
|
62
|
52
|
29
|
32
|
20
|
44
|
52
|
|
2025/04
|
35
|
54
|
63
|
59
|
53
|
60
|
59
|
62
|
68
|
53
|
52
|
53
|
87
|
91
|
71
|
66
|
79
|
60
|
45
|
57
|
54
|
40
|
29
|
39
|
23
|
44
|
55
|
48
|
44
|
45
|
|
|
2025/03
|
53
|
55
|
55
|
29
|
17
|
21
|
44
|
58
|
59
|
46
|
57
|
52
|
30
|
37
|
18
|
33
|
44
|
54
|
54
|
63
|
55
|
56
|
64
|
76
|
79
|
64
|
63
|
29
|
42
|
32
|
30
|
|
2025/02
|
39
|
15
|
51
|
73
|
50
|
54
|
48
|
35
|
37
|
50
|
47
|
50
|
88
|
53
|
52
|
66
|
72
|
33
|
53
|
27
|
18
|
39
|
30
|
93
|
97
|
82
|
83
|
56
|
|||
|
2025/01
|
76
|
55
|
59
|
50
|
55
|
72
|
77
|
77
|
62
|
33
|
53
|
59
|
65
|
65
|
85
|
47
|
59
|
60
|
57
|
73
|
97
|
83
|
59
|
34
|
37
|
34
|
29
|
46
|
87
|
46
|
49
|
|
2024/12
|
61
|
61
|
62
|
58
|
52
|
28
|
45
|
63
|
40
|
55
|
26
|
39
|
19
|
100
|
83
|
53
|
58
|
57
|
36
|
41
|
62
|
60
|
47
|
49
|
54
|
90
|
122
|
59
|
59
|
59
|
76
|
|
2024/11
|
9
|
19
|
43
|
54
|
50
|
29
|
27
|
36
|
44
|
34
|
26
|
35
|
36
|
42
|
20
|
24
|
21
|
12
|
20
|
28
|
40
|
36
|
47
|
34
|
41
|
18
|
39
|
45
|
49
|
52
|
|
|
2024/10
|
18
|
15
|
20
|
18
|
26
|
20
|
15
|
16
|
40
|
48
|
58
|
48
|
39
|
47
|
37
|
26
|
39
|
43
|
31
|
17
|
38
|
40
|
21
|
33
|
31
|
25
|
22
|
18
|
52
|
38
|
26
|
|
2024/09
|
38
|
34
|
27
|
25
|
24
|
22
|
22
|
19
|
29
|
38
|
32
|
34
|
18
|
23
|
25
|
24
|
18
|
22
|
18
|
21
|
30
|
12
|
19
|
19
|
18
|
27
|
24
|
38
|
36
|
26
|
|
|
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