Air Quality
Excellent
No health implications.
18
PM2.5
36
PM10
68
O3
0.7
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Aug
45
Excellent
Tue
12 Aug
50
Excellent
Wed
13 Aug
47
Excellent
Thu
14 Aug
42
Excellent
Fri
15 Aug
43
Excellent
Sat
16 Aug
53
Good
Sun
17 Aug
50
Excellent
Air quality in the last 12 months (Yongfeng)
|
2025/06
|
22
|
18
|
27
|
33
|
33
|
30
|
32
|
25
|
26
|
30
|
24
|
26
|
36
|
19
|
17
|
22
|
15
|
16
|
19
|
15
|
17
|
17
|
22
|
23
|
31
|
30
|
16
|
19
|
21
|
22
|
|
|
2025/05
|
49
|
51
|
53
|
48
|
25
|
34
|
56
|
37
|
23
|
42
|
36
|
38
|
37
|
37
|
39
|
21
|
26
|
20
|
22
|
20
|
22
|
26
|
22
|
51
|
57
|
54
|
51
|
29
|
27
|
26
|
25
|
|
2025/04
|
48
|
71
|
54
|
62
|
58
|
59
|
57
|
60
|
59
|
50
|
42
|
127
|
149
|
109
|
69
|
54
|
66
|
60
|
24
|
23
|
33
|
22
|
35
|
37
|
28
|
25
|
20
|
38
|
53
|
52
|
|
|
2025/03
|
36
|
29
|
36
|
21
|
32
|
41
|
47
|
43
|
52
|
38
|
48
|
53
|
29
|
21
|
19
|
36
|
48
|
41
|
46
|
38
|
44
|
49
|
53
|
59
|
66
|
65
|
56
|
72
|
48
|
32
|
41
|
|
2025/02
|
35
|
23
|
45
|
56
|
53
|
61
|
59
|
51
|
37
|
50
|
68
|
75
|
83
|
76
|
59
|
43
|
53
|
50
|
43
|
25
|
33
|
23
|
38
|
51
|
70
|
74
|
60
|
44
|
|||
|
2025/01
|
117
|
88
|
99
|
115
|
127
|
112
|
71
|
63
|
61
|
43
|
51
|
58
|
70
|
62
|
69
|
58
|
55
|
66
|
68
|
74
|
76
|
72
|
61
|
102
|
53
|
22
|
51
|
70
|
138
|
71
|
58
|
|
2024/12
|
50
|
60
|
63
|
86
|
67
|
47
|
50
|
74
|
57
|
63
|
37
|
62
|
67
|
59
|
56
|
57
|
60
|
69
|
66
|
69
|
80
|
79
|
63
|
79
|
90
|
81
|
102
|
86
|
75
|
85
|
92
|
|
2024/11
|
33
|
40
|
51
|
60
|
61
|
51
|
48
|
48
|
54
|
49
|
49
|
49
|
54
|
59
|
30
|
35
|
39
|
25
|
36
|
46
|
39
|
33
|
54
|
63
|
50
|
32
|
43
|
44
|
47
|
49
|
|
|
2024/10
|
40
|
41
|
39
|
35
|
41
|
44
|
40
|
23
|
33
|
46
|
59
|
56
|
63
|
79
|
69
|
33
|
37
|
48
|
32
|
32
|
42
|
44
|
36
|
46
|
52
|
52
|
27
|
27
|
54
|
53
|
45
|
|
2024/09
|
45
|
50
|
49
|
44
|
45
|
34
|
25
|
28
|
30
|
36
|
41
|
31
|
41
|
42
|
41
|
37
|
36
|
42
|
37
|
25
|
31
|
35
|
35
|
36
|
39
|
37
|
48
|
44
|
37
|
37
|
|
|
2024/08
|
23
|
27
|
30
|
40
|
29
|
31
|
31
|
31
|
34
|
40
|
35
|
26
|
26
|
28
|
34
|
32
|
26
|
21
|
25
|
33
|
27
|
21
|
31
|
34
|
35
|
35
|
39
|
26
|
29
|
41
|
43
|
|
2024/07
|
26
|
25
|
23
|
26
|
29
|
28
|
24
|
25
|
33
|
34
|
36
|
31
|
31
|
25
|
28
|
28
|
22
|
23
|
22
|
21
|
23
|
29
|
33
|
44
|
41
|
23
|
17
|
16
|
16
|
19
|
21
|
|
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