Air Quality
Excellent
No health implications.
15
PM2.5
37
PM10
58
O3
0.6
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
39
Excellent
Sat
3 May
38
Excellent
Sun
4 May
66
Good
Mon
5 May
71
Good
Tue
6 May
70
Good
Wed
7 May
72
Good
Thu
8 May
45
Excellent
Air quality in the last 12 months (Lianghe)
|
2025/02
|
77
|
75
|
62
|
64
|
69
|
75
|
64
|
54
|
57
|
56
|
47
|
52
|
51
|
66
|
60
|
71
|
57
|
58
|
62
|
67
|
64
|
64
|
58
|
58
|
57
|
52
|
47
|
55
|
|||
|
2025/01
|
51
|
48
|
45
|
47
|
51
|
48
|
47
|
43
|
39
|
44
|
46
|
51
|
49
|
49
|
49
|
48
|
49
|
46
|
47
|
44
|
46
|
48
|
55
|
47
|
49
|
70
|
51
|
59
|
118
|
71
|
63
|
|
2024/12
|
37
|
36
|
35
|
33
|
35
|
36
|
43
|
46
|
44
|
40
|
53
|
57
|
45
|
42
|
37
|
35
|
38
|
38
|
38
|
32
|
45
|
62
|
37
|
36
|
43
|
48
|
54
|
54
|
44
|
43
|
44
|
|
2024/11
|
43
|
44
|
40
|
37
|
30
|
23
|
21
|
23
|
25
|
28
|
28
|
26
|
25
|
25
|
28
|
32
|
36
|
34
|
33
|
34
|
28
|
36
|
35
|
36
|
34
|
32
|
37
|
37
|
41
|
35
|
|
|
2024/10
|
20
|
15
|
25
|
19
|
17
|
20
|
21
|
21
|
24
|
26
|
28
|
31
|
34
|
39
|
44
|
32
|
28
|
35
|
41
|
41
|
30
|
31
|
32
|
30
|
27
|
29
|
36
|
35
|
30
|
30
|
36
|
|
2024/09
|
19
|
25
|
21
|
26
|
24
|
25
|
34
|
34
|
31
|
28
|
20
|
23
|
25
|
20
|
30
|
30
|
32
|
33
|
34
|
42
|
39
|
29
|
28
|
30
|
34
|
26
|
22
|
21
|
22
|
20
|
|
|
2024/08
|
18
|
14
|
16
|
19
|
17
|
16
|
20
|
16
|
15
|
19
|
21
|
24
|
30
|
35
|
35
|
25
|
25
|
21
|
20
|
21
|
21
|
18
|
37
|
21
|
21
|
22
|
26
|
21
|
27
|
27
|
20
|
|
2024/07
|
14
|
14
|
14
|
12
|
20
|
20
|
16
|
18
|
19
|
17
|
12
|
16
|
25
|
23
|
22
|
23
|
28
|
22
|
19
|
18
|
16
|
14
|
17
|
21
|
20
|
20
|
17
|
19
|
18
|
16
|
23
|
|
2024/06
|
48
|
39
|
36
|
39
|
40
|
36
|
33
|
31
|
35
|
45
|
47
|
31
|
13
|
16
|
22
|
36
|
34
|
30
|
38
|
41
|
34
|
30
|
23
|
22
|
19
|
29
|
17
|
18
|
19
|
19
|
|
|
2024/05
|
70
|
51
|
41
|
58
|
66
|
29
|
44
|
48
|
50
|
40
|
33
|
41
|
40
|
45
|
47
|
43
|
41
|
45
|
52
|
50
|
35
|
37
|
37
|
30
|
28
|
19
|
14
|
23
|
37
|
40
|
46
|
|
2024/04
|
50
|
61
|
68
|
63
|
56
|
68
|
65
|
69
|
67
|
63
|
68
|
71
|
74
|
63
|
66
|
95
|
110
|
60
|
62
|
51
|
44
|
58
|
63
|
61
|
55
|
61
|
65
|
64
|
57
|
71
|
|
|
2024/03
|
47
|
46
|
48
|
52
|
50
|
49
|
50
|
47
|
41
|
54
|
64
|
77
|
75
|
70
|
71
|
74
|
80
|
65
|
62
|
79
|
80
|
33
|
32
|
49
|
44
|
53
|
54
|
56
|
61
|
71
|
65
|
|
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