Air Quality
Excellent
No health implications.
26
PM2.5
37
PM10
94
O3
0.5
CO
27
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
81
Good
Sun
5 May
77
Good
Mon
6 May
85
Good
Tue
7 May
95
Good
Wed
8 May
103
Lightly
Thu
9 May
102
Lightly
Fri
10 May
104
Lightly
Air quality in the last 12 months (Neihuang)
|
2024/02
|
44
|
38
|
71
|
67
|
114
|
145
|
164
|
201
|
237
|
359
|
209
|
103
|
95
|
154
|
46
|
61
|
57
|
101
|
62
|
44
|
37
|
27
|
35
|
70
|
183
|
88
|
91
|
92
|
104
|
||
|
2024/01
|
141
|
191
|
161
|
85
|
146
|
99
|
45
|
89
|
132
|
104
|
174
|
263
|
353
|
122
|
54
|
62
|
68
|
99
|
47
|
41
|
52
|
28
|
46
|
63
|
79
|
86
|
100
|
106
|
119
|
197
|
200
|
|
2023/12
|
63
|
62
|
92
|
123
|
175
|
130
|
106
|
87
|
106
|
35
|
51
|
79
|
107
|
62
|
64
|
44
|
62
|
66
|
173
|
68
|
46
|
93
|
121
|
126
|
124
|
175
|
63
|
88
|
190
|
241
|
152
|
|
2023/11
|
60
|
95
|
121
|
83
|
32
|
40
|
52
|
80
|
76
|
25
|
38
|
63
|
57
|
97
|
149
|
74
|
49
|
71
|
87
|
145
|
161
|
235
|
86
|
34
|
55
|
81
|
111
|
91
|
48
|
49
|
|
|
2023/10
|
47
|
40
|
48
|
83
|
61
|
59
|
56
|
68
|
67
|
53
|
67
|
110
|
156
|
123
|
89
|
86
|
99
|
65
|
48
|
40
|
70
|
92
|
85
|
99
|
84
|
86
|
81
|
148
|
116
|
179
|
124
|
|
2023/09
|
67
|
75
|
67
|
65
|
70
|
83
|
78
|
67
|
57
|
58
|
71
|
58
|
37
|
52
|
56
|
57
|
56
|
61
|
39
|
29
|
46
|
47
|
68
|
38
|
39
|
54
|
55
|
52
|
44
|
54
|
|
|
2023/08
|
31
|
30
|
37
|
38
|
36
|
31
|
37
|
57
|
62
|
57
|
59
|
36
|
38
|
42
|
46
|
49
|
58
|
59
|
47
|
53
|
40
|
57
|
50
|
38
|
48
|
35
|
24
|
31
|
45
|
38
|
59
|
|
2023/07
|
69
|
56
|
39
|
45
|
61
|
59
|
73
|
68
|
74
|
42
|
40
|
24
|
45
|
59
|
45
|
37
|
63
|
63
|
48
|
31
|
33
|
34
|
58
|
48
|
41
|
45
|
47
|
36
|
16
|
17
|
25
|
|
2023/06
|
52
|
51
|
60
|
33
|
51
|
57
|
77
|
59
|
66
|
63
|
70
|
58
|
72
|
76
|
72
|
65
|
74
|
46
|
31
|
50
|
56
|
75
|
60
|
77
|
41
|
51
|
61
|
31
|
42
|
65
|
|
|
2023/05
|
81
|
68
|
73
|
36
|
30
|
44
|
39
|
46
|
51
|
59
|
59
|
55
|
61
|
68
|
72
|
70
|
49
|
59
|
71
|
91
|
93
|
48
|
56
|
56
|
56
|
64
|
52
|
22
|
40
|
47
|
54
|
|
2023/04
|
72
|
73
|
59
|
32
|
31
|
43
|
51
|
68
|
75
|
77
|
394
|
489
|
175
|
285
|
241
|
69
|
84
|
100
|
84
|
98
|
51
|
32
|
35
|
32
|
44
|
57
|
58
|
122
|
85
|
51
|
|
|
2023/03
|
111
|
87
|
108
|
118
|
140
|
125
|
167
|
119
|
111
|
81
|
203
|
79
|
103
|
79
|
140
|
74
|
49
|
70
|
80
|
120
|
134
|
283
|
296
|
131
|
107
|
90
|
98
|
87
|
82
|
80
|
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