Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
97
*
PM2.5
134
PM10
31
O3
0.6
CO
3
SO2
39
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
17 Mar
97
Good
Wed
18 Mar
101
Light
Thu
19 Mar
88
Good
Fri
20 Mar
96
Good
Sat
21 Mar
94
Good
Sun
22 Mar
24
Excellent
Mon
23 Mar
28
Excellent
Air quality in the last 12 months (Zhecheng)
|
2026/02
|
93
|
122
|
119
|
114
|
156
|
74
|
73
|
74
|
60
|
81
|
108
|
105
|
104
|
89
|
102
|
55
|
125
|
114
|
92
|
70
|
60
|
320
|
175
|
44
|
55
|
60
|
113
|
79
|
|||
|
2026/01
|
51
|
102
|
95
|
89
|
216
|
94
|
53
|
79
|
70
|
89
|
57
|
76
|
99
|
178
|
106
|
116
|
82
|
56
|
57
|
40
|
61
|
83
|
102
|
135
|
168
|
163
|
150
|
96
|
90
|
118
|
124
|
|
2025/12
|
133
|
84
|
59
|
98
|
121
|
117
|
115
|
90
|
80
|
111
|
182
|
47
|
55
|
83
|
62
|
125
|
191
|
171
|
177
|
202
|
91
|
47
|
74
|
90
|
85
|
56
|
77
|
98
|
170
|
167
|
89
|
|
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
|
|
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