Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
107
O3
0.6
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
62
Good
Sun
7 Sep
58
Good
Mon
8 Sep
58
Good
Tue
9 Sep
50
Excellent
Wed
10 Sep
47
Excellent
Thu
11 Sep
49
Excellent
Fri
12 Sep
22
Excellent
Yifeng Air quality rank
Air quality in the last 12 months (Yifeng)
|
2025/08
|
30
|
36
|
37
|
25
|
22
|
13
|
20
|
16
|
25
|
28
|
33
|
36
|
34
|
20
|
11
|
24
|
25
|
26
|
16
|
17
|
14
|
24
|
40
|
28
|
23
|
27
|
35
|
29
|
25
|
28
|
23
|
|
2025/07
|
18
|
20
|
26
|
33
|
32
|
41
|
39
|
34
|
26
|
21
|
31
|
25
|
21
|
22
|
27
|
26
|
33
|
31
|
35
|
21
|
16
|
14
|
26
|
25
|
23
|
29
|
18
|
21
|
25
|
20
|
22
|
|
2025/06
|
28
|
16
|
24
|
35
|
44
|
36
|
35
|
29
|
21
|
29
|
22
|
28
|
35
|
26
|
15
|
29
|
21
|
13
|
15
|
17
|
20
|
10
|
13
|
23
|
42
|
38
|
19
|
13
|
25
|
27
|
|
|
2025/05
|
45
|
55
|
57
|
66
|
34
|
48
|
81
|
45
|
28
|
42
|
36
|
46
|
46
|
52
|
41
|
21
|
26
|
46
|
36
|
23
|
24
|
26
|
20
|
46
|
57
|
52
|
56
|
27
|
24
|
28
|
20
|
|
2025/04
|
56
|
68
|
60
|
67
|
60
|
60
|
62
|
65
|
61
|
47
|
52
|
260
|
191
|
130
|
58
|
58
|
73
|
69
|
34
|
37
|
41
|
23
|
35
|
35
|
32
|
38
|
38
|
41
|
58
|
59
|
|
|
2025/03
|
47
|
38
|
27
|
19
|
42
|
42
|
52
|
56
|
61
|
57
|
69
|
58
|
32
|
36
|
18
|
37
|
46
|
40
|
47
|
40
|
46
|
52
|
53
|
60
|
59
|
72
|
71
|
71
|
54
|
54
|
60
|
|
2025/02
|
37
|
30
|
37
|
43
|
55
|
58
|
65
|
54
|
43
|
58
|
74
|
84
|
95
|
81
|
53
|
41
|
54
|
45
|
48
|
32
|
45
|
27
|
57
|
80
|
95
|
79
|
91
|
64
|
|||
|
2025/01
|
101
|
86
|
123
|
137
|
151
|
97
|
76
|
68
|
53
|
48
|
53
|
59
|
70
|
61
|
65
|
53
|
55
|
63
|
65
|
79
|
88
|
77
|
88
|
125
|
47
|
24
|
52
|
71
|
127
|
74
|
52
|
|
2024/12
|
50
|
59
|
74
|
109
|
68
|
49
|
62
|
98
|
68
|
81
|
38
|
86
|
74
|
58
|
59
|
60
|
70
|
75
|
78
|
80
|
92
|
80
|
78
|
84
|
86
|
108
|
121
|
88
|
82
|
95
|
92
|
|
2024/11
|
40
|
56
|
53
|
61
|
66
|
52
|
49
|
53
|
56
|
51
|
50
|
53
|
56
|
57
|
31
|
50
|
30
|
21
|
36
|
44
|
41
|
39
|
61
|
70
|
40
|
27
|
37
|
39
|
44
|
50
|
|
|
2024/10
|
24
|
37
|
34
|
31
|
42
|
50
|
51
|
26
|
33
|
53
|
59
|
62
|
80
|
88
|
72
|
31
|
39
|
46
|
30
|
24
|
48
|
37
|
34
|
38
|
54
|
52
|
33
|
38
|
62
|
55
|
49
|
|
2024/09
|
41
|
44
|
50
|
47
|
42
|
39
|
39
|
41
|
40
|
36
|
36
|
29
|
29
|
34
|
38
|
34
|
28
|
34
|
36
|
35
|
22
|
27
|
34
|
42
|
46
|
50
|
55
|
35
|
31
|
37
|
|
|
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