Air Quality
Excellent
No health implications.
28
PM2.5
48
PM10
125
O3
0.5
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
98
Good
Mon
26 May
98
Good
Tue
27 May
104
Light
Wed
28 May
109
Light
Thu
29 May
116
Light
Fri
30 May
128
Light
Sat
31 May
37
Excellent
Air quality in the last 12 months (Dengfeng)
|
2025/04
|
61
|
55
|
66
|
86
|
67
|
82
|
82
|
88
|
104
|
101
|
95
|
235
|
99
|
64
|
59
|
106
|
112
|
98
|
72
|
81
|
62
|
109
|
130
|
84
|
85
|
79
|
79
|
57
|
57
|
107
|
|
|
2025/03
|
95
|
40
|
43
|
60
|
91
|
101
|
87
|
88
|
101
|
101
|
98
|
131
|
161
|
69
|
57
|
52
|
42
|
56
|
53
|
39
|
44
|
64
|
84
|
210
|
102
|
135
|
107
|
157
|
71
|
55
|
68
|
|
2025/02
|
101
|
141
|
77
|
40
|
43
|
53
|
75
|
44
|
76
|
103
|
138
|
80
|
59
|
68
|
66
|
73
|
88
|
98
|
68
|
84
|
113
|
128
|
121
|
111
|
80
|
82
|
116
|
146
|
|||
|
2025/01
|
120
|
145
|
124
|
130
|
92
|
68
|
62
|
54
|
73
|
74
|
67
|
68
|
90
|
93
|
51
|
52
|
79
|
85
|
75
|
124
|
184
|
179
|
77
|
112
|
109
|
64
|
36
|
59
|
173
|
191
|
122
|
|
2024/12
|
60
|
66
|
75
|
134
|
48
|
56
|
65
|
72
|
111
|
118
|
116
|
125
|
72
|
56
|
47
|
65
|
96
|
78
|
77
|
87
|
61
|
79
|
104
|
130
|
104
|
107
|
88
|
48
|
67
|
70
|
83
|
|
2024/11
|
81
|
74
|
73
|
59
|
59
|
99
|
104
|
79
|
87
|
133
|
164
|
210
|
167
|
64
|
86
|
64
|
41
|
56
|
51
|
52
|
55
|
119
|
135
|
76
|
53
|
49
|
68
|
56
|
42
|
49
|
|
|
2024/10
|
59
|
54
|
67
|
72
|
81
|
94
|
107
|
152
|
132
|
71
|
115
|
135
|
137
|
126
|
129
|
139
|
76
|
17
|
30
|
32
|
55
|
36
|
47
|
65
|
85
|
86
|
61
|
158
|
146
|
141
|
212
|
|
2024/09
|
50
|
29
|
42
|
58
|
43
|
33
|
59
|
62
|
59
|
40
|
29
|
35
|
45
|
58
|
36
|
56
|
59
|
42
|
29
|
42
|
17
|
31
|
56
|
80
|
83
|
99
|
105
|
65
|
58
|
17
|
|
|
2024/08
|
33
|
37
|
32
|
29
|
35
|
27
|
34
|
28
|
30
|
115
|
79
|
34
|
41
|
40
|
51
|
56
|
48
|
36
|
35
|
33
|
27
|
41
|
59
|
53
|
47
|
41
|
23
|
32
|
50
|
54
|
48
|
|
2024/07
|
43
|
23
|
52
|
27
|
28
|
25
|
42
|
16
|
40
|
68
|
51
|
50
|
50
|
66
|
39
|
39
|
24
|
22
|
37
|
31
|
45
|
37
|
39
|
43
|
50
|
28
|
35
|
30
|
18
|
20
|
22
|
|
2024/06
|
75
|
70
|
59
|
71
|
52
|
73
|
64
|
63
|
53
|
57
|
58
|
72
|
64
|
60
|
58
|
47
|
34
|
52
|
59
|
52
|
37
|
44
|
58
|
105
|
110
|
77
|
61
|
55
|
39
|
53
|
|
|
2024/05
|
46
|
59
|
56
|
48
|
61
|
71
|
82
|
82
|
72
|
63
|
123
|
136
|
118
|
81
|
104
|
64
|
67
|
69
|
56
|
65
|
62
|
72
|
63
|
76
|
66
|
57
|
55
|
66
|
61
|
55
|
89
|
|
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