Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
84
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Apr
51
Good
Tue
15 Apr
57
Good
Wed
16 Apr
62
Good
Thu
17 Apr
65
Good
Fri
18 Apr
63
Good
Sat
19 Apr
56
Good
Sun
20 Apr
36
Excellent
Air quality in the last 12 months (Yongji)
|
2025/02
|
108
|
123
|
74
|
48
|
65
|
59
|
51
|
37
|
42
|
57
|
69
|
48
|
54
|
60
|
69
|
43
|
27
|
29
|
33
|
37
|
39
|
44
|
49
|
35
|
82
|
56
|
70
|
111
|
|||
|
2025/01
|
35
|
33
|
34
|
60
|
99
|
110
|
71
|
67
|
61
|
76
|
102
|
110
|
83
|
61
|
28
|
49
|
42
|
54
|
68
|
144
|
112
|
127
|
96
|
92
|
118
|
85
|
47
|
74
|
78
|
46
|
72
|
|
2024/12
|
50
|
19
|
17
|
20
|
24
|
39
|
39
|
41
|
55
|
63
|
46
|
41
|
61
|
39
|
26
|
36
|
40
|
49
|
59
|
66
|
76
|
37
|
52
|
35
|
49
|
35
|
31
|
28
|
38
|
52
|
38
|
|
2024/11
|
82
|
80
|
79
|
46
|
20
|
33
|
43
|
68
|
64
|
41
|
89
|
42
|
40
|
34
|
27
|
36
|
53
|
57
|
41
|
63
|
59
|
52
|
79
|
58
|
49
|
41
|
23
|
53
|
32
|
46
|
|
|
2024/10
|
12
|
20
|
24
|
28
|
38
|
45
|
43
|
35
|
32
|
28
|
23
|
46
|
37
|
27
|
16
|
20
|
50
|
55
|
20
|
28
|
21
|
41
|
67
|
63
|
72
|
160
|
83
|
38
|
46
|
92
|
61
|
|
2024/09
|
16
|
18
|
22
|
25
|
19
|
17
|
23
|
28
|
28
|
20
|
25
|
24
|
22
|
23
|
26
|
27
|
33
|
31
|
28
|
23
|
22
|
33
|
26
|
24
|
24
|
22
|
28
|
28
|
34
|
18
|
|
|
2024/08
|
20
|
19
|
25
|
24
|
16
|
22
|
34
|
37
|
29
|
28
|
21
|
27
|
24
|
35
|
38
|
38
|
41
|
41
|
24
|
23
|
13
|
16
|
19
|
35
|
29
|
21
|
23
|
22
|
23
|
23
|
21
|
|
2024/07
|
64
|
47
|
17
|
27
|
30
|
20
|
36
|
65
|
63
|
66
|
77
|
92
|
88
|
66
|
64
|
44
|
18
|
27
|
30
|
29
|
25
|
22
|
16
|
24
|
22
|
9
|
9
|
7
|
12
|
25
|
18
|
|
2024/06
|
23
|
30
|
25
|
38
|
43
|
34
|
34
|
23
|
19
|
24
|
31
|
32
|
29
|
21
|
17
|
20
|
23
|
28
|
46
|
37
|
40
|
55
|
42
|
14
|
14
|
29
|
40
|
48
|
34
|
43
|
|
|
2024/05
|
39
|
54
|
68
|
55
|
48
|
41
|
44
|
34
|
47
|
54
|
72
|
47
|
38
|
45
|
27
|
31
|
36
|
52
|
34
|
34
|
25
|
43
|
36
|
28
|
25
|
17
|
12
|
24
|
27
|
25
|
19
|
|
2024/04
|
72
|
82
|
68
|
57
|
78
|
75
|
62
|
53
|
68
|
81
|
63
|
65
|
60
|
73
|
180
|
117
|
83
|
90
|
156
|
187
|
135
|
79
|
130
|
76
|
55
|
95
|
87
|
53
|
57
|
36
|
|
|
2024/03
|
45
|
47
|
39
|
38
|
43
|
49
|
39
|
35
|
41
|
73
|
94
|
45
|
46
|
45
|
58
|
68
|
32
|
36
|
38
|
42
|
35
|
35
|
43
|
24
|
28
|
49
|
55
|
318
|
123
|
59
|
49
|
|
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