Air Quality
Excellent
No health implications.
15
PM2.5
20
PM10
41
O3
0.4
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
48
Excellent
Mon
14 Apr
48
Excellent
Tue
15 Apr
56
Good
Wed
16 Apr
56
Good
Thu
17 Apr
80
Good
Fri
18 Apr
99
Good
Sat
19 Apr
17
Excellent
Air quality in the last 12 months (Kuancheng)
|
2025/02
|
130
|
143
|
68
|
62
|
64
|
66
|
42
|
33
|
54
|
74
|
91
|
80
|
62
|
66
|
75
|
39
|
34
|
35
|
37
|
37
|
43
|
48
|
44
|
54
|
132
|
62
|
89
|
129
|
|||
|
2025/01
|
39
|
34
|
34
|
69
|
85
|
103
|
75
|
51
|
57
|
85
|
106
|
113
|
99
|
56
|
51
|
51
|
57
|
73
|
72
|
104
|
108
|
104
|
111
|
103
|
118
|
106
|
111
|
62
|
76
|
56
|
82
|
|
2024/12
|
54
|
22
|
30
|
28
|
37
|
47
|
43
|
46
|
65
|
66
|
38
|
51
|
65
|
44
|
36
|
38
|
49
|
52
|
60
|
89
|
74
|
47
|
51
|
42
|
61
|
37
|
37
|
41
|
56
|
61
|
47
|
|
2024/11
|
57
|
62
|
114
|
27
|
26
|
38
|
56
|
87
|
67
|
58
|
111
|
64
|
95
|
56
|
43
|
72
|
60
|
146
|
80
|
66
|
129
|
83
|
138
|
76
|
62
|
64
|
27
|
48
|
37
|
62
|
|
|
2024/10
|
29
|
33
|
30
|
44
|
52
|
36
|
42
|
57
|
50
|
26
|
38
|
59
|
62
|
55
|
18
|
34
|
65
|
37
|
27
|
41
|
37
|
34
|
44
|
61
|
85
|
69
|
43
|
65
|
68
|
89
|
80
|
|
2024/09
|
16
|
23
|
31
|
32
|
19
|
23
|
31
|
33
|
34
|
23
|
32
|
36
|
31
|
19
|
39
|
29
|
45
|
46
|
43
|
18
|
20
|
38
|
40
|
41
|
33
|
55
|
62
|
51
|
45
|
29
|
|
|
2024/08
|
13
|
22
|
30
|
29
|
17
|
27
|
37
|
36
|
25
|
37
|
28
|
22
|
20
|
26
|
34
|
49
|
46
|
47
|
22
|
24
|
17
|
14
|
25
|
41
|
29
|
23
|
21
|
31
|
37
|
37
|
23
|
|
2024/07
|
77
|
59
|
19
|
29
|
24
|
27
|
48
|
63
|
55
|
72
|
79
|
77
|
84
|
70
|
63
|
41
|
18
|
33
|
47
|
24
|
34
|
25
|
17
|
19
|
26
|
10
|
14
|
9
|
20
|
27
|
20
|
|
2024/06
|
19
|
22
|
36
|
46
|
50
|
38
|
40
|
27
|
25
|
36
|
44
|
26
|
41
|
20
|
19
|
24
|
26
|
42
|
54
|
40
|
45
|
67
|
13
|
9
|
21
|
39
|
49
|
45
|
36
|
41
|
|
|
2024/05
|
48
|
66
|
65
|
56
|
42
|
65
|
50
|
57
|
72
|
52
|
61
|
30
|
39
|
46
|
23
|
42
|
52
|
47
|
23
|
23
|
36
|
49
|
26
|
28
|
46
|
13
|
17
|
25
|
30
|
28
|
15
|
|
2024/04
|
66
|
100
|
55
|
69
|
151
|
81
|
78
|
72
|
91
|
180
|
94
|
156
|
62
|
52
|
128
|
124
|
68
|
70
|
135
|
274
|
224
|
77
|
65
|
49
|
58
|
71
|
73
|
39
|
77
|
62
|
|
|
2024/03
|
43
|
45
|
36
|
37
|
42
|
50
|
48
|
32
|
51
|
79
|
106
|
49
|
54
|
62
|
119
|
84
|
25
|
51
|
43
|
41
|
52
|
44
|
57
|
24
|
39
|
45
|
85
|
181
|
88
|
57
|
48
|
|
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