Air Quality
Excellent
No health implications.
32
PM2.5
37
PM10
22
O3
0.4
CO
2
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
76
Good
Sun
14 Dec
78
Good
Mon
15 Dec
84
Good
Tue
16 Dec
137
Light
Wed
17 Dec
181
Moderate
Thu
18 Dec
26
Excellent
Fri
19 Dec
23
Excellent
Air quality in the last 12 months (Zhecheng)
|
2025/11
|
112
|
86
|
62
|
65
|
102
|
74
|
59
|
85
|
66
|
80
|
58
|
65
|
107
|
150
|
144
|
134
|
39
|
48
|
54
|
73
|
108
|
87
|
78
|
111
|
74
|
100
|
231
|
119
|
84
|
120
|
|
|
2025/10
|
27
|
10
|
26
|
30
|
26
|
17
|
43
|
62
|
23
|
16
|
20
|
26
|
20
|
30
|
42
|
47
|
15
|
36
|
42
|
36
|
48
|
56
|
74
|
80
|
87
|
93
|
107
|
75
|
70
|
78
|
202
|
|
2025/09
|
29
|
34
|
31
|
44
|
47
|
40
|
49
|
20
|
27
|
32
|
20
|
20
|
42
|
30
|
25
|
22
|
25
|
21
|
15
|
32
|
44
|
35
|
16
|
25
|
37
|
37
|
19
|
21
|
31
|
36
|
|
|
2025/08
|
24
|
21
|
25
|
29
|
34
|
30
|
22
|
25
|
21
|
25
|
17
|
21
|
25
|
21
|
27
|
30
|
25
|
30
|
33
|
27
|
28
|
29
|
24
|
29
|
29
|
34
|
33
|
38
|
35
|
40
|
24
|
|
2025/07
|
24
|
23
|
25
|
24
|
31
|
39
|
38
|
37
|
19
|
44
|
60
|
33
|
33
|
42
|
36
|
44
|
40
|
36
|
38
|
37
|
28
|
25
|
23
|
26
|
30
|
28
|
24
|
25
|
22
|
31
|
34
|
|
2025/06
|
49
|
47
|
63
|
62
|
54
|
54
|
53
|
60
|
43
|
48
|
47
|
43
|
46
|
47
|
47
|
59
|
50
|
31
|
19
|
23
|
35
|
24
|
42
|
44
|
52
|
21
|
27
|
22
|
16
|
19
|
|
|
2025/05
|
66
|
95
|
48
|
49
|
82
|
150
|
93
|
70
|
59
|
30
|
51
|
51
|
53
|
58
|
73
|
81
|
140
|
85
|
97
|
63
|
58
|
74
|
77
|
63
|
58
|
52
|
65
|
64
|
67
|
64
|
69
|
|
2025/04
|
69
|
51
|
54
|
70
|
82
|
82
|
78
|
82
|
99
|
104
|
78
|
232
|
99
|
58
|
56
|
79
|
87
|
90
|
45
|
62
|
52
|
70
|
93
|
95
|
72
|
61
|
71
|
43
|
53
|
73
|
|
|
2025/03
|
129
|
57
|
38
|
36
|
66
|
81
|
71
|
80
|
102
|
95
|
95
|
142
|
106
|
50
|
66
|
44
|
50
|
55
|
59
|
52
|
48
|
64
|
81
|
207
|
74
|
81
|
121
|
127
|
65
|
62
|
76
|
|
2025/02
|
102
|
136
|
148
|
72
|
55
|
60
|
86
|
52
|
56
|
67
|
110
|
124
|
139
|
84
|
88
|
78
|
67
|
73
|
97
|
58
|
63
|
99
|
91
|
50
|
71
|
98
|
104
|
97
|
|||
|
2025/01
|
137
|
143
|
122
|
198
|
132
|
70
|
65
|
64
|
47
|
68
|
88
|
63
|
90
|
147
|
55
|
66
|
92
|
114
|
133
|
137
|
178
|
225
|
113
|
133
|
131
|
78
|
42
|
78
|
288
|
152
|
100
|
|
2024/12
|
75
|
87
|
69
|
103
|
142
|
140
|
114
|
48
|
60
|
100
|
122
|
104
|
100
|
78
|
65
|
82
|
99
|
54
|
57
|
106
|
80
|
57
|
81
|
115
|
159
|
180
|
98
|
68
|
80
|
100
|
104
|
|
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