Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
48
O3
0.3
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
52
Good
Sun
29 Jun
57
Good
Mon
30 Jun
48
Excellent
Tue
1 Jul
47
Excellent
Wed
2 Jul
52
Good
Thu
3 Jul
49
Excellent
Fri
4 Jul
44
Excellent
Air quality in the last 12 months (Laifeng)
|
2025/05
|
46
|
62
|
54
|
49
|
35
|
44
|
56
|
26
|
26
|
31
|
40
|
37
|
40
|
51
|
38
|
40
|
40
|
41
|
43
|
41
|
42
|
20
|
38
|
52
|
46
|
38
|
39
|
28
|
35
|
34
|
22
|
|
2025/04
|
47
|
53
|
53
|
55
|
59
|
58
|
53
|
53
|
52
|
43
|
43
|
71
|
152
|
98
|
68
|
64
|
59
|
60
|
38
|
35
|
30
|
37
|
47
|
40
|
49
|
46
|
37
|
37
|
34
|
26
|
|
|
2025/03
|
59
|
69
|
19
|
23
|
30
|
30
|
39
|
47
|
48
|
52
|
59
|
60
|
55
|
42
|
25
|
35
|
42
|
33
|
36
|
47
|
50
|
63
|
56
|
53
|
48
|
58
|
85
|
62
|
41
|
41
|
45
|
|
2025/02
|
38
|
32
|
42
|
47
|
54
|
60
|
53
|
75
|
56
|
44
|
54
|
73
|
62
|
45
|
44
|
49
|
42
|
42
|
48
|
61
|
80
|
55
|
54
|
84
|
70
|
52
|
54
|
63
|
|||
|
2025/01
|
111
|
123
|
135
|
157
|
91
|
74
|
68
|
68
|
64
|
82
|
88
|
79
|
97
|
95
|
66
|
70
|
85
|
117
|
96
|
96
|
110
|
167
|
174
|
88
|
27
|
35
|
53
|
80
|
160
|
73
|
72
|
|
2024/12
|
60
|
82
|
106
|
62
|
27
|
41
|
44
|
41
|
51
|
50
|
42
|
57
|
74
|
78
|
74
|
65
|
72
|
76
|
88
|
98
|
124
|
80
|
78
|
83
|
91
|
105
|
94
|
100
|
117
|
131
|
103
|
|
2024/11
|
60
|
65
|
66
|
59
|
48
|
47
|
49
|
51
|
44
|
35
|
43
|
58
|
48
|
47
|
53
|
50
|
15
|
13
|
14
|
18
|
21
|
28
|
37
|
29
|
18
|
23
|
26
|
31
|
40
|
48
|
|
|
2024/10
|
16
|
25
|
34
|
36
|
42
|
44
|
29
|
30
|
42
|
49
|
57
|
65
|
36
|
30
|
29
|
31
|
24
|
19
|
23
|
17
|
15
|
20
|
21
|
27
|
32
|
33
|
43
|
43
|
39
|
40
|
50
|
|
2024/09
|
28
|
28
|
36
|
38
|
41
|
36
|
34
|
29
|
24
|
32
|
27
|
32
|
25
|
24
|
34
|
31
|
24
|
22
|
29
|
27
|
28
|
24
|
29
|
32
|
39
|
51
|
53
|
60
|
67
|
41
|
|
|
2024/08
|
13
|
14
|
14
|
15
|
17
|
16
|
18
|
23
|
26
|
27
|
48
|
47
|
31
|
28
|
31
|
31
|
22
|
19
|
20
|
24
|
26
|
29
|
25
|
21
|
19
|
20
|
24
|
20
|
22
|
23
|
23
|
|
2024/07
|
20
|
21
|
17
|
16
|
19
|
18
|
18
|
22
|
22
|
24
|
22
|
19
|
23
|
20
|
19
|
21
|
20
|
20
|
16
|
19
|
18
|
19
|
18
|
19
|
19
|
23
|
20
|
20
|
13
|
14
|
13
|
|
2024/06
|
29
|
31
|
30
|
22
|
18
|
18
|
29
|
30
|
20
|
20
|
23
|
20
|
21
|
28
|
34
|
32
|
18
|
18
|
22
|
15
|
16
|
18
|
23
|
25
|
22
|
17
|
15
|
10
|
17
|
19
|
|
|
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