Air Quality
Excellent
No health implications.
20
PM2.5
35
PM10
92
O3
0.6
CO
9
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jul
103
Light
Fri
1 Aug
97
Good
Sat
2 Aug
109
Light
Sun
3 Aug
103
Light
Mon
4 Aug
114
Light
Tue
5 Aug
37
Excellent
Wed
6 Aug
45
Excellent
Air quality in the last 12 months (Gongyi)
|
2025/06
|
52
|
53
|
50
|
57
|
60
|
58
|
77
|
74
|
66
|
68
|
70
|
58
|
59
|
51
|
55
|
50
|
53
|
37
|
35
|
44
|
47
|
52
|
43
|
50
|
60
|
32
|
48
|
43
|
35
|
35
|
|
|
2025/05
|
71
|
111
|
74
|
66
|
145
|
165
|
166
|
94
|
89
|
45
|
47
|
58
|
70
|
70
|
55
|
67
|
140
|
89
|
102
|
82
|
88
|
71
|
88
|
67
|
59
|
55
|
73
|
73
|
83
|
66
|
54
|
|
2025/04
|
57
|
53
|
64
|
84
|
63
|
79
|
85
|
87
|
98
|
94
|
94
|
207
|
101
|
60
|
59
|
106
|
121
|
105
|
79
|
81
|
61
|
104
|
129
|
83
|
81
|
81
|
76
|
59
|
56
|
113
|
|
|
2025/03
|
101
|
48
|
43
|
61
|
91
|
107
|
86
|
87
|
103
|
115
|
104
|
125
|
159
|
73
|
57
|
49
|
39
|
54
|
51
|
39
|
43
|
63
|
84
|
253
|
139
|
153
|
107
|
143
|
61
|
51
|
64
|
|
2025/02
|
101
|
158
|
83
|
37
|
38
|
55
|
68
|
41
|
76
|
107
|
145
|
80
|
54
|
61
|
64
|
72
|
84
|
95
|
62
|
82
|
119
|
127
|
112
|
108
|
82
|
81
|
118
|
148
|
|||
|
2025/01
|
114
|
142
|
118
|
122
|
83
|
67
|
58
|
54
|
71
|
71
|
65
|
63
|
90
|
90
|
46
|
49
|
76
|
83
|
74
|
121
|
167
|
173
|
80
|
121
|
117
|
62
|
33
|
54
|
156
|
185
|
115
|
|
2024/12
|
53
|
61
|
68
|
125
|
42
|
50
|
61
|
71
|
116
|
118
|
119
|
125
|
66
|
55
|
48
|
58
|
89
|
77
|
74
|
83
|
59
|
75
|
105
|
134
|
105
|
102
|
78
|
45
|
58
|
70
|
82
|
|
2024/11
|
69
|
70
|
69
|
56
|
60
|
93
|
104
|
78
|
78
|
130
|
173
|
211
|
162
|
72
|
88
|
71
|
46
|
57
|
52
|
54
|
58
|
112
|
124
|
79
|
52
|
48
|
69
|
51
|
41
|
45
|
|
|
2024/10
|
55
|
51
|
64
|
65
|
77
|
90
|
112
|
147
|
140
|
66
|
103
|
128
|
131
|
122
|
131
|
126
|
78
|
19
|
32
|
29
|
52
|
36
|
47
|
66
|
86
|
85
|
71
|
161
|
151
|
151
|
214
|
|
2024/09
|
49
|
28
|
40
|
57
|
36
|
30
|
57
|
61
|
59
|
35
|
28
|
33
|
43
|
56
|
35
|
52
|
56
|
42
|
27
|
39
|
16
|
31
|
53
|
77
|
90
|
110
|
107
|
68
|
54
|
18
|
|
|
2024/08
|
35
|
42
|
32
|
30
|
36
|
27
|
31
|
31
|
29
|
111
|
71
|
30
|
41
|
39
|
47
|
53
|
43
|
36
|
36
|
30
|
27
|
40
|
56
|
53
|
44
|
35
|
21
|
31
|
46
|
52
|
49
|
|
2024/07
|
38
|
26
|
54
|
32
|
29
|
28
|
49
|
19
|
42
|
69
|
55
|
52
|
50
|
72
|
53
|
40
|
28
|
21
|
38
|
31
|
50
|
40
|
39
|
44
|
44
|
26
|
36
|
31
|
18
|
20
|
26
|
|
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