Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
34
O3
0.7
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Nov
31
Excellent
Wed
5 Nov
35
Excellent
Thu
6 Nov
38
Excellent
Fri
7 Nov
32
Excellent
Sat
8 Nov
34
Excellent
Sun
9 Nov
32
Excellent
Mon
10 Nov
49
Excellent
Air quality in the last 12 months (Lianghe)
|
2025/09
|
26
|
26
|
26
|
24
|
25
|
22
|
22
|
28
|
30
|
29
|
27
|
22
|
16
|
15
|
16
|
15
|
19
|
26
|
28
|
28
|
25
|
28
|
27
|
24
|
28
|
34
|
27
|
28
|
27
|
19
|
|
|
2025/08
|
22
|
23
|
21
|
22
|
22
|
25
|
18
|
17
|
19
|
22
|
26
|
25
|
26
|
23
|
25
|
25
|
26
|
22
|
21
|
20
|
18
|
18
|
18
|
18
|
20
|
27
|
28
|
27
|
17
|
26
|
26
|
|
2025/07
|
18
|
20
|
21
|
18
|
14
|
15
|
16
|
16
|
18
|
21
|
21
|
24
|
26
|
19
|
17
|
17
|
18
|
20
|
18
|
26
|
18
|
24
|
29
|
24
|
15
|
16
|
16
|
25
|
23
|
19
|
18
|
|
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
|
|
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