Air Quality
Excellent
No health implications.
27
PM2.5
41
PM10
23
O3
0.6
CO
13
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
56
Good
Mon
15 Dec
59
Good
Tue
16 Dec
64
Good
Wed
17 Dec
73
Good
Thu
18 Dec
146
Light
Fri
19 Dec
147
Light
Sat
20 Dec
37
Excellent
Air quality in the last 12 months (Yongfeng)
|
2025/11
|
49
|
53
|
53
|
40
|
31
|
40
|
47
|
27
|
20
|
25
|
54
|
33
|
36
|
42
|
52
|
60
|
63
|
27
|
32
|
39
|
49
|
55
|
62
|
62
|
67
|
70
|
66
|
71
|
57
|
57
|
|
|
2025/10
|
44
|
41
|
35
|
47
|
33
|
24
|
42
|
44
|
46
|
47
|
44
|
43
|
58
|
56
|
46
|
54
|
49
|
52
|
23
|
26
|
33
|
30
|
41
|
42
|
52
|
67
|
56
|
68
|
61
|
80
|
50
|
|
2025/09
|
25
|
25
|
23
|
30
|
29
|
34
|
33
|
22
|
18
|
19
|
21
|
26
|
23
|
28
|
31
|
29
|
33
|
33
|
31
|
33
|
35
|
42
|
36
|
35
|
29
|
36
|
42
|
42
|
45
|
44
|
|
|
2025/08
|
32
|
33
|
22
|
17
|
19
|
14
|
16
|
19
|
28
|
33
|
33
|
36
|
28
|
23
|
15
|
24
|
23
|
22
|
16
|
16
|
17
|
25
|
32
|
21
|
19
|
29
|
27
|
22
|
25
|
27
|
32
|
|
2025/07
|
21
|
23
|
31
|
38
|
32
|
39
|
47
|
44
|
29
|
25
|
28
|
20
|
23
|
25
|
29
|
28
|
37
|
39
|
30
|
19
|
19
|
15
|
26
|
24
|
26
|
30
|
21
|
24
|
25
|
25
|
30
|
|
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
|
|
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