Air Quality
Excellent
No health implications.
8
PM2.5
37
PM10
61
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
51
Good
Tue
20 Jan
59
Good
Wed
21 Jan
55
Good
Thu
22 Jan
67
Good
Fri
23 Jan
52
Good
Sat
24 Jan
55
Good
Sun
25 Jan
35
Excellent
Air quality in the last 12 months (Kuancheng)
|
2025/11
|
40
|
24
|
48
|
68
|
123
|
97
|
51
|
55
|
34
|
45
|
52
|
76
|
33
|
66
|
93
|
46
|
22
|
32
|
51
|
33
|
45
|
68
|
93
|
73
|
30
|
65
|
35
|
71
|
80
|
59
|
|
|
2025/10
|
54
|
55
|
44
|
53
|
40
|
22
|
42
|
27
|
14
|
20
|
30
|
36
|
46
|
53
|
63
|
39
|
33
|
19
|
22
|
26
|
38
|
45
|
50
|
72
|
91
|
40
|
36
|
64
|
130
|
92
|
53
|
|
2025/09
|
38
|
39
|
49
|
57
|
50
|
37
|
42
|
35
|
51
|
35
|
56
|
60
|
57
|
39
|
32
|
31
|
26
|
32
|
46
|
44
|
43
|
34
|
33
|
50
|
54
|
55
|
61
|
50
|
51
|
57
|
|
|
2025/08
|
45
|
48
|
36
|
29
|
24
|
37
|
33
|
35
|
26
|
32
|
39
|
41
|
27
|
40
|
44
|
31
|
34
|
42
|
33
|
26
|
23
|
24
|
35
|
23
|
26
|
33
|
30
|
17
|
39
|
42
|
40
|
|
2025/07
|
37
|
38
|
28
|
43
|
40
|
23
|
34
|
41
|
45
|
48
|
48
|
49
|
26
|
30
|
33
|
25
|
26
|
30
|
38
|
30
|
28
|
41
|
39
|
24
|
35
|
43
|
32
|
25
|
21
|
29
|
37
|
|
2025/06
|
53
|
54
|
29
|
25
|
45
|
43
|
33
|
40
|
49
|
29
|
47
|
55
|
46
|
42
|
20
|
21
|
37
|
51
|
42
|
32
|
30
|
41
|
51
|
63
|
54
|
55
|
50
|
31
|
52
|
43
|
|
|
2025/05
|
38
|
41
|
32
|
42
|
47
|
29
|
56
|
77
|
30
|
32
|
56
|
73
|
76
|
43
|
47
|
65
|
42
|
34
|
58
|
73
|
62
|
68
|
44
|
36
|
46
|
55
|
55
|
56
|
63
|
78
|
65
|
|
2025/04
|
51
|
21
|
48
|
64
|
27
|
55
|
66
|
40
|
46
|
61
|
75
|
103
|
42
|
27
|
52
|
69
|
66
|
41
|
32
|
55
|
64
|
47
|
68
|
41
|
41
|
72
|
43
|
47
|
61
|
65
|
|
|
2025/03
|
125
|
58
|
38
|
57
|
65
|
39
|
55
|
85
|
123
|
115
|
137
|
60
|
70
|
54
|
35
|
31
|
39
|
24
|
43
|
43
|
35
|
48
|
88
|
82
|
56
|
98
|
56
|
36
|
36
|
45
|
59
|
|
2025/02
|
78
|
76
|
23
|
21
|
23
|
50
|
27
|
21
|
35
|
67
|
96
|
51
|
67
|
69
|
85
|
39
|
23
|
41
|
38
|
35
|
27
|
35
|
26
|
49
|
56
|
58
|
100
|
149
|
|||
|
2025/01
|
62
|
33
|
46
|
72
|
65
|
38
|
29
|
26
|
26
|
37
|
54
|
53
|
57
|
40
|
31
|
55
|
74
|
92
|
58
|
74
|
63
|
55
|
79
|
107
|
129
|
88
|
21
|
41
|
128
|
45
|
60
|
|
2024/12
|
72
|
27
|
45
|
36
|
40
|
31
|
25
|
37
|
60
|
59
|
47
|
82
|
44
|
32
|
49
|
53
|
33
|
40
|
64
|
55
|
32
|
38
|
52
|
74
|
87
|
30
|
28
|
43
|
72
|
78
|
52
|
|
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