Air Quality
Excellent
No health implications.
13
PM2.5
17
PM10
57
O3
0.5
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
42
Excellent
Mon
28 Jul
44
Excellent
Tue
29 Jul
50
Excellent
Wed
30 Jul
51
Good
Thu
31 Jul
58
Good
Fri
1 Aug
59
Good
Sat
2 Aug
20
Excellent
Air quality in the last 12 months (Yongji)
|
2025/06
|
35
|
42
|
21
|
28
|
25
|
31
|
28
|
27
|
36
|
19
|
22
|
22
|
30
|
33
|
29
|
19
|
37
|
29
|
33
|
27
|
13
|
20
|
27
|
38
|
41
|
32
|
52
|
30
|
36
|
31
|
|
|
2025/05
|
29
|
19
|
23
|
22
|
29
|
26
|
45
|
46
|
48
|
29
|
37
|
47
|
47
|
46
|
39
|
31
|
24
|
31
|
24
|
30
|
47
|
43
|
29
|
32
|
30
|
34
|
42
|
34
|
40
|
39
|
52
|
|
2025/04
|
67
|
57
|
58
|
52
|
31
|
52
|
43
|
65
|
67
|
88
|
84
|
35
|
11
|
30
|
30
|
39
|
57
|
46
|
29
|
69
|
116
|
29
|
28
|
74
|
36
|
60
|
58
|
60
|
70
|
57
|
|
|
2025/03
|
70
|
27
|
43
|
35
|
46
|
68
|
63
|
69
|
89
|
76
|
65
|
96
|
47
|
40
|
40
|
52
|
78
|
78
|
69
|
83
|
59
|
73
|
68
|
83
|
101
|
67
|
41
|
20
|
32
|
37
|
62
|
|
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
|
|
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