Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
79
*
PM10
97
O3
0.4
CO
5
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 May
98
Good
Sat
3 May
91
Good
Sun
4 May
88
Good
Mon
5 May
100
Good
Tue
6 May
98
Good
Wed
7 May
28
Excellent
Thu
8 May
20
Excellent
Air quality in the last 12 months (Zhecheng)
|
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
|
|
2024/11
|
155
|
112
|
124
|
82
|
58
|
78
|
59
|
54
|
62
|
97
|
116
|
123
|
116
|
111
|
116
|
82
|
48
|
45
|
36
|
61
|
84
|
112
|
60
|
51
|
51
|
49
|
70
|
56
|
55
|
71
|
|
|
2024/10
|
39
|
46
|
51
|
58
|
50
|
54
|
89
|
111
|
77
|
133
|
80
|
109
|
96
|
126
|
111
|
101
|
52
|
21
|
33
|
41
|
59
|
79
|
81
|
58
|
80
|
97
|
140
|
146
|
141
|
116
|
99
|
|
2024/09
|
45
|
36
|
39
|
44
|
50
|
33
|
51
|
50
|
45
|
44
|
38
|
35
|
61
|
53
|
44
|
50
|
41
|
14
|
31
|
40
|
25
|
31
|
46
|
47
|
59
|
62
|
57
|
48
|
48
|
34
|
|
|
2024/08
|
17
|
20
|
24
|
26
|
26
|
11
|
21
|
19
|
33
|
76
|
119
|
43
|
44
|
46
|
38
|
41
|
37
|
35
|
20
|
29
|
42
|
41
|
40
|
45
|
47
|
40
|
22
|
32
|
38
|
33
|
39
|
|
2024/07
|
38
|
33
|
31
|
13
|
22
|
15
|
22
|
23
|
26
|
61
|
45
|
35
|
44
|
37
|
25
|
19
|
15
|
15
|
21
|
16
|
23
|
27
|
30
|
34
|
35
|
33
|
16
|
12
|
14
|
17
|
19
|
|
2024/06
|
63
|
79
|
73
|
79
|
71
|
59
|
37
|
60
|
64
|
56
|
47
|
51
|
54
|
55
|
64
|
43
|
48
|
48
|
53
|
48
|
41
|
45
|
59
|
107
|
98
|
57
|
57
|
29
|
19
|
26
|
|
|
2024/05
|
57
|
52
|
53
|
48
|
53
|
61
|
61
|
64
|
61
|
74
|
186
|
114
|
97
|
76
|
114
|
62
|
69
|
63
|
62
|
62
|
57
|
48
|
49
|
58
|
66
|
62
|
50
|
57
|
67
|
73
|
109
|
|
2024/04
|
83
|
103
|
66
|
50
|
55
|
52
|
56
|
60
|
69
|
65
|
54
|
52
|
60
|
41
|
43
|
70
|
84
|
68
|
75
|
79
|
77
|
67
|
112
|
103
|
82
|
76
|
60
|
42
|
71
|
57
|
|
|
2024/03
|
88
|
87
|
76
|
93
|
128
|
99
|
107
|
58
|
55
|
85
|
89
|
95
|
89
|
72
|
68
|
100
|
128
|
81
|
104
|
97
|
86
|
80
|
80
|
49
|
50
|
50
|
53
|
72
|
62
|
80
|
88
|
|
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