Air Quality
Excellent
No health implications.
18
PM2.5
34
PM10
112
O3
0.2
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
80
Good
Thu
16 May
102
Lightly
Fri
17 May
142
Lightly
Sat
18 May
150
Lightly
Sun
19 May
141
Lightly
Mon
20 May
134
Lightly
Tue
21 May
133
Lightly
Air quality in the last 12 months (Gaobeidian)
|
2024/02
|
64
|
76
|
109
|
111
|
121
|
129
|
71
|
117
|
172
|
81
|
97
|
148
|
178
|
121
|
48
|
69
|
89
|
101
|
55
|
28
|
27
|
31
|
38
|
73
|
87
|
92
|
79
|
92
|
50
|
||
|
2024/01
|
135
|
194
|
131
|
125
|
113
|
37
|
33
|
72
|
72
|
88
|
133
|
152
|
124
|
41
|
54
|
86
|
111
|
84
|
58
|
66
|
29
|
24
|
31
|
52
|
61
|
66
|
55
|
70
|
105
|
128
|
128
|
|
2023/12
|
61
|
76
|
85
|
109
|
144
|
179
|
159
|
179
|
103
|
50
|
42
|
83
|
94
|
73
|
24
|
21
|
45
|
106
|
72
|
24
|
25
|
58
|
81
|
96
|
127
|
112
|
46
|
91
|
189
|
212
|
115
|
|
2023/11
|
179
|
174
|
55
|
71
|
45
|
48
|
58
|
69
|
39
|
27
|
38
|
43
|
61
|
86
|
139
|
50
|
35
|
69
|
85
|
105
|
185
|
188
|
50
|
37
|
64
|
79
|
84
|
37
|
34
|
49
|
|
|
2023/10
|
45
|
64
|
69
|
47
|
41
|
55
|
70
|
64
|
37
|
43
|
65
|
92
|
87
|
40
|
56
|
52
|
69
|
38
|
30
|
31
|
46
|
63
|
111
|
157
|
134
|
64
|
73
|
109
|
164
|
139
|
180
|
|
2023/09
|
59
|
59
|
51
|
82
|
93
|
95
|
85
|
80
|
32
|
36
|
51
|
41
|
49
|
56
|
67
|
75
|
71
|
69
|
46
|
35
|
52
|
44
|
45
|
39
|
53
|
77
|
78
|
57
|
74
|
32
|
|
|
2023/08
|
28
|
41
|
55
|
52
|
45
|
42
|
46
|
60
|
62
|
72
|
61
|
34
|
44
|
51
|
55
|
70
|
59
|
68
|
80
|
59
|
43
|
43
|
40
|
33
|
53
|
44
|
35
|
39
|
47
|
56
|
59
|
|
2023/07
|
80
|
91
|
78
|
44
|
62
|
87
|
65
|
44
|
44
|
87
|
63
|
36
|
27
|
44
|
35
|
42
|
70
|
77
|
84
|
62
|
45
|
35
|
44
|
63
|
60
|
61
|
59
|
40
|
39
|
13
|
21
|
|
2023/06
|
69
|
46
|
65
|
56
|
67
|
54
|
71
|
65
|
49
|
42
|
64
|
55
|
52
|
81
|
108
|
104
|
101
|
96
|
50
|
58
|
50
|
76
|
87
|
69
|
85
|
55
|
75
|
47
|
61
|
84
|
|
|
2023/05
|
75
|
79
|
88
|
50
|
32
|
41
|
55
|
65
|
63
|
70
|
83
|
67
|
47
|
73
|
99
|
86
|
69
|
60
|
89
|
111
|
81
|
54
|
59
|
74
|
67
|
71
|
70
|
48
|
73
|
65
|
67
|
|
2023/04
|
83
|
100
|
85
|
46
|
36
|
41
|
38
|
44
|
85
|
169
|
392
|
413
|
452
|
239
|
127
|
62
|
90
|
94
|
92
|
136
|
43
|
29
|
51
|
51
|
67
|
59
|
85
|
72
|
58
|
60
|
|
|
2023/03
|
51
|
68
|
78
|
142
|
220
|
223
|
172
|
136
|
92
|
243
|
182
|
56
|
85
|
146
|
94
|
66
|
74
|
59
|
90
|
132
|
134
|
364
|
133
|
79
|
70
|
76
|
70
|
104
|
116
|
102
|
81
|
|
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