Air Quality
Excellent
No health implications.
26
PM2.5
45
PM10
48
O3
0.4
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jan
58
Good
Wed
21 Jan
61
Good
Thu
22 Jan
82
Good
Fri
23 Jan
146
Light
Sat
24 Jan
148
Light
Sun
25 Jan
106
Light
Mon
26 Jan
19
Excellent
Air quality in the last 12 months (Liuhe)
|
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
|
|||
|
2025/01
|
79
|
90
|
82
|
72
|
97
|
69
|
43
|
62
|
31
|
43
|
58
|
59
|
77
|
94
|
49
|
54
|
65
|
78
|
90
|
119
|
140
|
118
|
52
|
38
|
29
|
60
|
37
|
86
|
154
|
65
|
76
|
|
2024/12
|
57
|
77
|
50
|
42
|
64
|
101
|
99
|
31
|
52
|
45
|
48
|
51
|
81
|
52
|
58
|
56
|
79
|
55
|
42
|
59
|
72
|
53
|
57
|
68
|
94
|
99
|
60
|
67
|
71
|
71
|
93
|
|
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