Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
98
O3
0.4
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Jul
88
Good
Sun
6 Jul
88
Good
Mon
7 Jul
81
Good
Tue
8 Jul
76
Good
Wed
9 Jul
104
Light
Thu
10 Jul
104
Light
Fri
11 Jul
41
Excellent
Air quality in the last 12 months (Ji County)
|
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
|
|
|
2024/10
|
69
|
55
|
52
|
61
|
68
|
85
|
76
|
63
|
79
|
62
|
67
|
67
|
64
|
85
|
72
|
103
|
64
|
37
|
30
|
25
|
38
|
33
|
53
|
62
|
68
|
69
|
63
|
65
|
71
|
69
|
69
|
|
2024/09
|
53
|
50
|
43
|
46
|
32
|
43
|
36
|
48
|
52
|
49
|
43
|
38
|
49
|
36
|
48
|
39
|
42
|
49
|
39
|
35
|
27
|
49
|
56
|
68
|
78
|
73
|
81
|
61
|
34
|
24
|
|
|
2024/08
|
48
|
49
|
36
|
38
|
37
|
37
|
24
|
36
|
39
|
94
|
39
|
41
|
45
|
42
|
42
|
44
|
42
|
35
|
39
|
36
|
38
|
50
|
53
|
54
|
48
|
18
|
25
|
41
|
48
|
48
|
49
|
|
2024/07
|
36
|
49
|
43
|
42
|
38
|
44
|
46
|
35
|
43
|
50
|
52
|
49
|
54
|
56
|
48
|
31
|
33
|
28
|
40
|
23
|
35
|
45
|
42
|
33
|
60
|
53
|
50
|
54
|
40
|
22
|
41
|
|
2024/06
|
68
|
52
|
56
|
54
|
39
|
56
|
57
|
62
|
67
|
62
|
75
|
72
|
71
|
59
|
62
|
57
|
47
|
45
|
46
|
50
|
43
|
63
|
72
|
108
|
92
|
89
|
66
|
66
|
62
|
55
|
|
|
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