Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
41
*
PM2.5
48
PM10
16
O3
0.7
CO
7
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 Feb
63
Good
Thu
12 Feb
73
Good
Fri
13 Feb
65
Good
Sat
14 Feb
64
Good
Sun
15 Feb
77
Good
Mon
16 Feb
26
Excellent
Tue
17 Feb
47
Excellent
Yifeng Air quality rank
Air quality in the last 12 months (Yifeng)
|
2026/01
|
30
|
42
|
64
|
65
|
56
|
62
|
52
|
59
|
59
|
63
|
70
|
75
|
74
|
71
|
85
|
102
|
115
|
176
|
81
|
26
|
51
|
63
|
74
|
78
|
88
|
89
|
78
|
56
|
67
|
42
|
30
|
|
2025/12
|
71
|
103
|
84
|
77
|
71
|
97
|
99
|
86
|
109
|
109
|
115
|
125
|
40
|
51
|
57
|
64
|
83
|
130
|
102
|
101
|
98
|
56
|
61
|
29
|
55
|
74
|
75
|
79
|
78
|
94
|
114
|
|
2025/11
|
39
|
48
|
60
|
68
|
52
|
51
|
52
|
17
|
18
|
34
|
53
|
47
|
46
|
50
|
55
|
59
|
66
|
26
|
30
|
43
|
48
|
55
|
58
|
54
|
73
|
72
|
79
|
86
|
67
|
59
|
|
|
2025/10
|
43
|
45
|
38
|
47
|
38
|
23
|
34
|
61
|
55
|
51
|
55
|
65
|
76
|
47
|
54
|
50
|
53
|
35
|
14
|
19
|
25
|
30
|
38
|
44
|
51
|
69
|
55
|
60
|
64
|
72
|
38
|
|
2025/09
|
29
|
28
|
26
|
36
|
37
|
34
|
34
|
22
|
20
|
23
|
23
|
28
|
24
|
33
|
35
|
35
|
36
|
36
|
36
|
25
|
32
|
39
|
33
|
24
|
26
|
40
|
36
|
43
|
47
|
39
|
|
|
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
|
|||
|
1
|
2
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3
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4
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5
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6
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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