Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
30
O3
0.6
CO
18
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
32
Excellent
Mon
28 Jul
38
Excellent
Tue
29 Jul
32
Excellent
Wed
30 Jul
34
Excellent
Thu
31 Jul
37
Excellent
Fri
1 Aug
34
Excellent
Sat
2 Aug
35
Excellent
Air quality in the last 12 months (Lianghe)
|
2025/06
|
19
|
15
|
35
|
51
|
48
|
39
|
34
|
29
|
33
|
20
|
32
|
40
|
41
|
33
|
23
|
21
|
15
|
15
|
18
|
25
|
23
|
19
|
17
|
18
|
19
|
19
|
20
|
17
|
18
|
23
|
|
|
2025/05
|
38
|
22
|
29
|
28
|
33
|
39
|
42
|
42
|
49
|
56
|
62
|
52
|
39
|
44
|
38
|
39
|
38
|
35
|
41
|
36
|
39
|
35
|
41
|
37
|
17
|
18
|
30
|
20
|
16
|
18
|
17
|
|
2025/04
|
120
|
102
|
83
|
107
|
101
|
92
|
77
|
101
|
95
|
86
|
74
|
54
|
37
|
38
|
47
|
43
|
30
|
37
|
42
|
42
|
44
|
46
|
57
|
68
|
72
|
80
|
80
|
70
|
49
|
49
|
|
|
2025/03
|
56
|
63
|
58
|
52
|
62
|
65
|
76
|
84
|
75
|
61
|
71
|
88
|
97
|
67
|
63
|
56
|
62
|
80
|
72
|
74
|
85
|
78
|
67
|
59
|
49
|
48
|
68
|
113
|
133
|
117
|
110
|
|
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
|
|
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