Air Quality
Excellent
No health implications.
29
PM2.5
49
PM10
94
O3
0.5
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
111
Light
Fri
15 May
99
Good
Sat
16 May
92
Good
Sun
17 May
53
Good
Mon
18 May
51
Good
Tue
19 May
50
Excellent
Wed
20 May
16
Excellent
Air quality in the last 12 months (Zhecheng)
|
2026/04
|
55
|
58
|
50
|
66
|
86
|
79
|
66
|
42
|
35
|
55
|
61
|
55
|
33
|
34
|
50
|
62
|
71
|
62
|
57
|
76
|
62
|
42
|
36
|
36
|
39
|
47
|
70
|
57
|
49
|
45
|
|
|
2026/03
|
67
|
64
|
82
|
99
|
65
|
81
|
77
|
83
|
119
|
118
|
130
|
198
|
119
|
126
|
58
|
114
|
98
|
72
|
63
|
90
|
94
|
98
|
112
|
114
|
93
|
72
|
77
|
78
|
71
|
72
|
71
|
|
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
|
|
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