Air Quality
Excellent
No health implications.
30
PM2.5
41
PM10
50
O3
0.8
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
76
Good
Sun
21 Apr
77
Good
Mon
22 Apr
79
Good
Tue
23 Apr
77
Good
Wed
24 Apr
79
Good
Thu
25 Apr
74
Good
Fri
26 Apr
78
Good
Air quality in the last 12 months (Lianghe)
|
2024/02
|
65
|
84
|
71
|
52
|
56
|
53
|
58
|
57
|
59
|
110
|
66
|
58
|
44
|
41
|
47
|
48
|
41
|
41
|
45
|
47
|
54
|
60
|
65
|
57
|
50
|
56
|
52
|
53
|
46
|
||
|
2024/01
|
45
|
40
|
40
|
37
|
39
|
43
|
47
|
47
|
46
|
48
|
51
|
51
|
51
|
47
|
42
|
43
|
43
|
42
|
50
|
58
|
57
|
50
|
55
|
58
|
50
|
47
|
49
|
45
|
45
|
47
|
45
|
|
2023/12
|
41
|
42
|
40
|
36
|
39
|
37
|
40
|
33
|
29
|
26
|
31
|
37
|
34
|
33
|
30
|
36
|
40
|
35
|
37
|
35
|
34
|
43
|
44
|
40
|
30
|
26
|
39
|
40
|
37
|
32
|
35
|
|
2023/11
|
32
|
27
|
28
|
31
|
32
|
36
|
41
|
35
|
37
|
38
|
37
|
35
|
37
|
34
|
31
|
36
|
24
|
17
|
20
|
26
|
27
|
29
|
31
|
34
|
31
|
28
|
33
|
37
|
38
|
40
|
|
|
2023/10
|
19
|
18
|
19
|
25
|
24
|
26
|
23
|
27
|
26
|
18
|
22
|
15
|
18
|
24
|
28
|
30
|
31
|
30
|
29
|
32
|
37
|
41
|
36
|
33
|
23
|
23
|
26
|
27
|
27
|
33
|
32
|
|
2023/09
|
24
|
25
|
32
|
39
|
42
|
38
|
31
|
27
|
32
|
30
|
26
|
23
|
22
|
30
|
32
|
43
|
36
|
26
|
22
|
18
|
23
|
23
|
27
|
27
|
26
|
24
|
27
|
32
|
22
|
21
|
|
|
2023/08
|
20
|
18
|
20
|
25
|
21
|
25
|
21
|
17
|
18
|
18
|
24
|
26
|
29
|
32
|
29
|
28
|
24
|
24
|
23
|
32
|
23
|
20
|
21
|
23
|
16
|
20
|
20
|
17
|
20
|
18
|
23
|
|
2023/07
|
28
|
28
|
24
|
26
|
21
|
20
|
19
|
28
|
25
|
18
|
19
|
17
|
19
|
21
|
22
|
31
|
37
|
41
|
44
|
28
|
25
|
23
|
29
|
23
|
23
|
25
|
21
|
21
|
22
|
27
|
25
|
|
2023/06
|
41
|
35
|
32
|
42
|
43
|
44
|
28
|
27
|
23
|
24
|
27
|
36
|
33
|
23
|
40
|
51
|
36
|
38
|
38
|
32
|
33
|
29
|
21
|
23
|
28
|
28
|
28
|
21
|
24
|
24
|
|
|
2023/05
|
57
|
44
|
34
|
35
|
37
|
44
|
43
|
55
|
69
|
63
|
61
|
65
|
48
|
33
|
26
|
27
|
41
|
48
|
50
|
57
|
52
|
52
|
55
|
47
|
40
|
40
|
38
|
42
|
43
|
44
|
45
|
|
2023/04
|
53
|
47
|
29
|
36
|
45
|
50
|
50
|
56
|
75
|
84
|
85
|
93
|
114
|
123
|
103
|
95
|
95
|
84
|
82
|
81
|
70
|
60
|
48
|
37
|
49
|
45
|
51
|
62
|
60
|
56
|
|
|
2023/03
|
60
|
57
|
58
|
61
|
66
|
77
|
78
|
73
|
71
|
76
|
66
|
62
|
68
|
104
|
103
|
51
|
56
|
62
|
63
|
47
|
31
|
32
|
31
|
39
|
44
|
51
|
69
|
61
|
48
|
52
|
62
|
|
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