Air Quality
Excellent
No health implications.
3
PM2.5
19
PM10
57
O3
0.4
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
102
Light
Tue
17 Feb
138
Light
Wed
18 Feb
111
Light
Thu
19 Feb
103
Light
Fri
20 Feb
79
Good
Sat
21 Feb
23
Excellent
Sun
22 Feb
42
Excellent
Air quality in the last 12 months (Liuhe)
|
2026/01
|
32
|
46
|
53
|
80
|
135
|
112
|
46
|
73
|
74
|
85
|
61
|
67
|
84
|
86
|
90
|
143
|
106
|
59
|
21
|
43
|
48
|
46
|
60
|
94
|
85
|
20
|
56
|
65
|
56
|
29
|
28
|
|
2025/12
|
93
|
53
|
47
|
54
|
71
|
75
|
84
|
79
|
65
|
67
|
101
|
25
|
41
|
64
|
66
|
71
|
103
|
78
|
94
|
119
|
37
|
37
|
39
|
82
|
63
|
39
|
60
|
75
|
92
|
108
|
26
|
|
2025/11
|
117
|
68
|
31
|
52
|
51
|
45
|
43
|
19
|
47
|
46
|
29
|
47
|
71
|
118
|
81
|
84
|
23
|
35
|
47
|
52
|
88
|
112
|
98
|
94
|
80
|
69
|
212
|
121
|
92
|
91
|
|
|
2025/10
|
36
|
36
|
18
|
31
|
55
|
59
|
39
|
33
|
35
|
44
|
68
|
52
|
22
|
22
|
45
|
17
|
31
|
18
|
25
|
24
|
21
|
25
|
27
|
43
|
43
|
49
|
52
|
49
|
43
|
33
|
37
|
|
2025/09
|
22
|
25
|
36
|
37
|
54
|
54
|
42
|
39
|
15
|
30
|
36
|
33
|
19
|
43
|
18
|
40
|
27
|
21
|
30
|
22
|
29
|
32
|
39
|
17
|
10
|
21
|
33
|
24
|
38
|
27
|
|
|
2025/08
|
14
|
10
|
18
|
26
|
40
|
33
|
20
|
24
|
31
|
12
|
14
|
18
|
45
|
20
|
23
|
32
|
36
|
38
|
40
|
39
|
42
|
30
|
28
|
32
|
24
|
18
|
39
|
32
|
38
|
29
|
18
|
|
2025/07
|
32
|
36
|
35
|
42
|
44
|
47
|
33
|
17
|
19
|
48
|
34
|
25
|
29
|
27
|
40
|
39
|
25
|
28
|
25
|
16
|
19
|
18
|
22
|
27
|
29
|
21
|
23
|
16
|
24
|
17
|
10
|
|
2025/06
|
20
|
12
|
40
|
57
|
42
|
42
|
32
|
32
|
31
|
45
|
38
|
39
|
33
|
40
|
21
|
40
|
43
|
39
|
16
|
28
|
17
|
29
|
33
|
30
|
40
|
44
|
22
|
14
|
15
|
23
|
|
|
2025/05
|
53
|
59
|
47
|
39
|
41
|
71
|
76
|
49
|
25
|
34
|
37
|
51
|
49
|
60
|
81
|
24
|
51
|
71
|
69
|
49
|
34
|
54
|
46
|
51
|
51
|
49
|
44
|
53
|
54
|
51
|
58
|
|
2025/04
|
46
|
55
|
40
|
65
|
67
|
61
|
63
|
70
|
72
|
79
|
77
|
169
|
86
|
62
|
55
|
56
|
69
|
66
|
80
|
39
|
55
|
49
|
45
|
57
|
60
|
47
|
45
|
53
|
54
|
57
|
|
|
2025/03
|
52
|
50
|
22
|
28
|
51
|
41
|
59
|
70
|
66
|
56
|
72
|
84
|
57
|
34
|
30
|
33
|
34
|
38
|
47
|
46
|
41
|
51
|
59
|
80
|
71
|
64
|
97
|
62
|
103
|
62
|
38
|
|
2025/02
|
37
|
71
|
80
|
60
|
46
|
37
|
47
|
31
|
39
|
55
|
54
|
83
|
52
|
64
|
80
|
70
|
55
|
42
|
62
|
41
|
42
|
61
|
55
|
56
|
72
|
83
|
79
|
67
|
|||
|
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