Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
21
O3
0.6
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
37
Excellent
Mon
18 May
36
Excellent
Tue
19 May
40
Excellent
Wed
20 May
42
Excellent
Thu
21 May
41
Excellent
Fri
22 May
35
Excellent
Sat
23 May
49
Excellent
Air quality in the last 12 months (Laifeng)
|
2026/04
|
25
|
27
|
31
|
47
|
45
|
30
|
33
|
30
|
38
|
38
|
27
|
27
|
25
|
20
|
19
|
24
|
29
|
37
|
35
|
44
|
28
|
19
|
19
|
30
|
43
|
45
|
26
|
24
|
29
|
34
|
|
|
2026/03
|
19
|
18
|
21
|
30
|
36
|
46
|
47
|
19
|
24
|
31
|
35
|
51
|
53
|
58
|
33
|
22
|
19
|
19
|
36
|
42
|
33
|
37
|
33
|
23
|
23
|
20
|
22
|
29
|
27
|
22
|
29
|
|
2026/02
|
46
|
57
|
71
|
84
|
104
|
94
|
106
|
72
|
56
|
53
|
55
|
62
|
66
|
68
|
72
|
36
|
68
|
66
|
56
|
51
|
53
|
53
|
41
|
34
|
40
|
22
|
20
|
21
|
|||
|
2026/01
|
28
|
50
|
66
|
62
|
64
|
54
|
59
|
65
|
71
|
85
|
75
|
68
|
92
|
112
|
139
|
132
|
132
|
166
|
55
|
30
|
56
|
62
|
69
|
67
|
59
|
51
|
69
|
71
|
48
|
19
|
40
|
|
2025/12
|
83
|
101
|
74
|
71
|
78
|
68
|
79
|
64
|
77
|
96
|
93
|
126
|
30
|
43
|
53
|
59
|
68
|
75
|
91
|
85
|
36
|
38
|
24
|
39
|
48
|
49
|
62
|
66
|
86
|
116
|
53
|
|
2025/11
|
34
|
32
|
29
|
29
|
31
|
19
|
16
|
15
|
16
|
39
|
44
|
38
|
33
|
42
|
48
|
50
|
43
|
19
|
24
|
30
|
37
|
48
|
57
|
40
|
51
|
51
|
55
|
67
|
77
|
82
|
|
|
2025/10
|
21
|
25
|
26
|
23
|
26
|
29
|
29
|
33
|
34
|
31
|
39
|
44
|
20
|
10
|
15
|
9
|
11
|
10
|
8
|
11
|
13
|
18
|
23
|
30
|
42
|
33
|
27
|
32
|
39
|
35
|
28
|
|
2025/09
|
24
|
23
|
24
|
22
|
26
|
31
|
25
|
27
|
17
|
14
|
15
|
23
|
13
|
12
|
18
|
22
|
24
|
17
|
16
|
13
|
24
|
25
|
18
|
14
|
19
|
16
|
19
|
23
|
29
|
27
|
|
|
2025/08
|
24
|
26
|
25
|
25
|
26
|
24
|
20
|
15
|
20
|
21
|
11
|
8
|
9
|
17
|
14
|
15
|
17
|
22
|
21
|
13
|
14
|
16
|
17
|
19
|
16
|
18
|
22
|
24
|
25
|
26
|
23
|
|
2025/07
|
15
|
17
|
14
|
14
|
15
|
17
|
24
|
24
|
24
|
22
|
24
|
29
|
27
|
21
|
22
|
20
|
20
|
20
|
22
|
24
|
17
|
15
|
10
|
11
|
13
|
17
|
20
|
16
|
18
|
19
|
20
|
|
2025/06
|
11
|
18
|
26
|
32
|
31
|
38
|
28
|
21
|
20
|
27
|
35
|
34
|
31
|
27
|
29
|
31
|
24
|
17
|
10
|
11
|
11
|
17
|
16
|
24
|
15
|
14
|
18
|
17
|
15
|
18
|
|
|
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
|
|
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