Air Quality
Excellent
No health implications.
19
PM2.5
45
PM10
47
O3
0.6
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
89
Good
Sat
13 Dec
75
Good
Sun
14 Dec
86
Good
Mon
15 Dec
96
Good
Tue
16 Dec
91
Good
Wed
17 Dec
97
Good
Thu
18 Dec
29
Excellent
Air quality in the last 12 months (Ji County)
|
2025/11
|
70
|
70
|
74
|
79
|
85
|
70
|
53
|
55
|
89
|
86
|
89
|
82
|
62
|
81
|
94
|
70
|
22
|
29
|
63
|
72
|
76
|
91
|
106
|
129
|
84
|
203
|
224
|
132
|
122
|
104
|
|
|
2025/10
|
55
|
36
|
48
|
44
|
42
|
23
|
27
|
32
|
18
|
16
|
22
|
26
|
42
|
49
|
34
|
41
|
33
|
34
|
47
|
37
|
40
|
55
|
66
|
73
|
49
|
59
|
59
|
69
|
76
|
91
|
71
|
|
2025/09
|
47
|
45
|
21
|
19
|
40
|
58
|
65
|
61
|
51
|
50
|
30
|
27
|
48
|
55
|
54
|
38
|
27
|
23
|
25
|
52
|
29
|
25
|
37
|
47
|
48
|
43
|
40
|
54
|
56
|
63
|
|
|
2025/08
|
45
|
48
|
49
|
46
|
36
|
41
|
43
|
40
|
31
|
39
|
44
|
48
|
51
|
52
|
37
|
19
|
39
|
42
|
40
|
32
|
36
|
48
|
29
|
32
|
46
|
40
|
30
|
26
|
33
|
48
|
47
|
|
2025/07
|
38
|
31
|
33
|
40
|
25
|
39
|
34
|
39
|
43
|
45
|
52
|
55
|
52
|
48
|
52
|
52
|
48
|
50
|
48
|
35
|
42
|
49
|
30
|
27
|
32
|
34
|
36
|
43
|
44
|
42
|
41
|
|
2025/06
|
51
|
50
|
44
|
52
|
53
|
57
|
65
|
55
|
64
|
57
|
60
|
56
|
57
|
44
|
42
|
47
|
48
|
48
|
33
|
40
|
38
|
44
|
48
|
47
|
53
|
39
|
45
|
32
|
43
|
38
|
|
|
2025/05
|
76
|
92
|
46
|
75
|
221
|
225
|
128
|
94
|
59
|
48
|
53
|
60
|
67
|
61
|
60
|
86
|
168
|
81
|
79
|
70
|
72
|
109
|
49
|
47
|
50
|
47
|
50
|
58
|
61
|
57
|
52
|
|
2025/04
|
73
|
69
|
79
|
101
|
70
|
89
|
103
|
100
|
88
|
61
|
152
|
185
|
130
|
55
|
59
|
109
|
131
|
95
|
73
|
72
|
115
|
158
|
111
|
61
|
65
|
65
|
59
|
52
|
64
|
109
|
|
|
2025/03
|
84
|
81
|
38
|
47
|
71
|
75
|
74
|
80
|
71
|
79
|
141
|
214
|
99
|
76
|
45
|
39
|
49
|
45
|
49
|
50
|
60
|
75
|
118
|
283
|
286
|
269
|
215
|
167
|
66
|
59
|
64
|
|
2025/02
|
150
|
109
|
33
|
52
|
36
|
90
|
51
|
37
|
58
|
76
|
80
|
75
|
71
|
79
|
84
|
76
|
74
|
83
|
76
|
81
|
98
|
90
|
52
|
56
|
72
|
69
|
75
|
79
|
|||
|
2025/01
|
103
|
76
|
75
|
100
|
103
|
57
|
56
|
55
|
56
|
69
|
75
|
66
|
97
|
69
|
45
|
62
|
88
|
104
|
101
|
106
|
111
|
119
|
143
|
129
|
66
|
75
|
35
|
72
|
162
|
115
|
145
|
|
2024/12
|
77
|
69
|
62
|
68
|
55
|
63
|
49
|
57
|
73
|
86
|
86
|
89
|
69
|
61
|
71
|
80
|
88
|
67
|
73
|
81
|
47
|
69
|
97
|
124
|
136
|
89
|
55
|
62
|
82
|
96
|
81
|
|
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