Air Quality
Excellent
No health implications.
22
PM2.5
29
PM10
32
O3
0.8
CO
4
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Nov
76
Good
Sat
8 Nov
80
Good
Sun
9 Nov
81
Good
Mon
10 Nov
84
Good
Tue
11 Nov
87
Good
Wed
12 Nov
82
Good
Thu
13 Nov
32
Excellent
Ji County Air quality rank
Air quality in the last 12 months (Ji County)
|
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
|
|
2024/11
|
77
|
73
|
85
|
61
|
65
|
68
|
80
|
85
|
84
|
108
|
111
|
112
|
68
|
57
|
73
|
70
|
54
|
54
|
49
|
70
|
84
|
97
|
106
|
105
|
51
|
50
|
74
|
50
|
52
|
67
|
|
|
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