Air Quality
Excellent
No health implications.
19
PM2.5
40
PM10
46
O3
0.7
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
77
Good
Sun
20 Jul
64
Good
Mon
21 Jul
76
Good
Tue
22 Jul
83
Good
Wed
23 Jul
78
Good
Thu
24 Jul
95
Good
Fri
25 Jul
19
Excellent
Air quality in the last 12 months (Zhouzhi)
|
2025/06
|
49
|
49
|
50
|
53
|
44
|
52
|
40
|
40
|
48
|
48
|
61
|
48
|
53
|
49
|
73
|
56
|
60
|
52
|
41
|
43
|
38
|
42
|
33
|
41
|
36
|
33
|
40
|
37
|
42
|
22
|
|
|
2025/05
|
97
|
68
|
86
|
71
|
117
|
441
|
165
|
98
|
83
|
53
|
51
|
58
|
40
|
74
|
72
|
68
|
214
|
117
|
72
|
70
|
72
|
83
|
53
|
49
|
39
|
40
|
53
|
50
|
44
|
53
|
47
|
|
2025/04
|
83
|
92
|
89
|
113
|
100
|
90
|
72
|
90
|
109
|
97
|
130
|
377
|
150
|
80
|
57
|
121
|
105
|
141
|
110
|
73
|
76
|
133
|
93
|
64
|
80
|
71
|
46
|
46
|
60
|
110
|
|
|
2025/03
|
182
|
63
|
31
|
52
|
71
|
72
|
81
|
93
|
81
|
80
|
229
|
218
|
103
|
43
|
58
|
52
|
56
|
47
|
51
|
60
|
68
|
74
|
83
|
67
|
56
|
225
|
230
|
112
|
88
|
85
|
78
|
|
2025/02
|
229
|
121
|
39
|
57
|
56
|
61
|
98
|
48
|
67
|
100
|
123
|
100
|
102
|
93
|
68
|
81
|
95
|
100
|
118
|
118
|
135
|
145
|
82
|
73
|
83
|
84
|
99
|
130
|
|||
|
2025/01
|
98
|
96
|
105
|
136
|
109
|
91
|
93
|
88
|
78
|
76
|
68
|
92
|
105
|
85
|
58
|
75
|
106
|
102
|
125
|
118
|
168
|
226
|
235
|
185
|
68
|
82
|
82
|
136
|
337
|
278
|
254
|
|
2024/12
|
71
|
99
|
95
|
79
|
65
|
74
|
71
|
56
|
82
|
104
|
137
|
124
|
47
|
70
|
85
|
111
|
101
|
103
|
112
|
159
|
84
|
78
|
97
|
98
|
108
|
118
|
71
|
66
|
91
|
61
|
89
|
|
2024/11
|
72
|
55
|
64
|
64
|
78
|
117
|
148
|
170
|
140
|
127
|
132
|
149
|
106
|
54
|
57
|
52
|
23
|
20
|
62
|
50
|
59
|
96
|
141
|
109
|
33
|
60
|
78
|
74
|
56
|
59
|
|
|
2024/10
|
40
|
50
|
59
|
62
|
101
|
98
|
81
|
137
|
69
|
59
|
78
|
97
|
84
|
72
|
67
|
70
|
89
|
50
|
46
|
32
|
32
|
28
|
55
|
91
|
102
|
55
|
41
|
53
|
89
|
100
|
75
|
|
2024/09
|
53
|
55
|
47
|
43
|
25
|
51
|
26
|
40
|
44
|
47
|
58
|
47
|
39
|
34
|
57
|
44
|
53
|
55
|
42
|
32
|
23
|
50
|
63
|
83
|
86
|
83
|
85
|
75
|
37
|
29
|
|
|
2024/08
|
41
|
47
|
33
|
33
|
39
|
39
|
33
|
39
|
48
|
93
|
56
|
42
|
44
|
53
|
35
|
31
|
37
|
26
|
38
|
43
|
32
|
48
|
54
|
59
|
55
|
30
|
29
|
45
|
53
|
58
|
44
|
|
2024/07
|
22
|
28
|
28
|
30
|
31
|
39
|
33
|
15
|
20
|
36
|
27
|
33
|
38
|
41
|
47
|
40
|
14
|
24
|
30
|
29
|
35
|
36
|
42
|
64
|
79
|
62
|
52
|
45
|
34
|
25
|
36
|
|
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