Air Quality
Excellent
No health implications.
5
PM2.5
21
PM10
26
O3
0.6
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
46
Excellent
Mon
20 Oct
47
Excellent
Tue
21 Oct
51
Good
Wed
22 Oct
55
Good
Thu
23 Oct
59
Good
Fri
24 Oct
26
Excellent
Sat
25 Oct
30
Excellent
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