Air Quality
Excellent
No health implications.
12
PM2.5
27
PM10
71
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jan
54
Good
Tue
28 Jan
117
Light
Wed
29 Jan
179
Moderate
Thu
30 Jan
181
Moderate
Fri
31 Jan
122
Light
Sat
1 Feb
123
Light
Sun
2 Feb
21
Excellent
Air quality in the last 12 months (Bo'ai)
|
2024/12
|
54
|
56
|
65
|
108
|
36
|
47
|
56
|
63
|
106
|
111
|
125
|
119
|
62
|
54
|
51
|
54
|
74
|
74
|
62
|
70
|
57
|
65
|
88
|
118
|
110
|
90
|
64
|
43
|
54
|
69
|
78
|
|
2024/11
|
58
|
68
|
66
|
53
|
59
|
77
|
87
|
72
|
63
|
108
|
198
|
207
|
120
|
80
|
77
|
85
|
58
|
57
|
55
|
55
|
65
|
88
|
96
|
74
|
49
|
51
|
77
|
48
|
42
|
47
|
|
|
2024/10
|
55
|
48
|
53
|
53
|
61
|
71
|
101
|
134
|
134
|
60
|
84
|
101
|
110
|
100
|
126
|
120
|
78
|
29
|
38
|
37
|
60
|
47
|
50
|
67
|
85
|
92
|
103
|
130
|
132
|
143
|
177
|
|
2024/09
|
42
|
29
|
36
|
49
|
24
|
27
|
44
|
56
|
55
|
37
|
36
|
34
|
44
|
53
|
36
|
47
|
48
|
39
|
25
|
29
|
22
|
32
|
43
|
64
|
81
|
109
|
91
|
66
|
53
|
25
|
|
|
2024/08
|
33
|
40
|
27
|
31
|
33
|
27
|
24
|
34
|
32
|
87
|
44
|
26
|
30
|
32
|
36
|
42
|
35
|
38
|
39
|
24
|
25
|
35
|
44
|
46
|
42
|
32
|
26
|
32
|
39
|
42
|
42
|
|
2024/07
|
40
|
33
|
62
|
41
|
32
|
37
|
47
|
27
|
46
|
73
|
68
|
62
|
50
|
95
|
73
|
49
|
36
|
24
|
32
|
25
|
46
|
46
|
37
|
41
|
37
|
31
|
35
|
30
|
20
|
20
|
30
|
|
2024/06
|
56
|
57
|
51
|
70
|
59
|
68
|
60
|
54
|
52
|
49
|
52
|
58
|
58
|
46
|
50
|
50
|
37
|
43
|
49
|
49
|
39
|
53
|
66
|
95
|
87
|
71
|
52
|
51
|
38
|
51
|
|
|
2024/05
|
36
|
54
|
51
|
49
|
74
|
77
|
65
|
62
|
64
|
57
|
103
|
117
|
95
|
72
|
82
|
55
|
61
|
64
|
54
|
56
|
62
|
59
|
55
|
66
|
77
|
90
|
47
|
51
|
56
|
50
|
67
|
|
2024/04
|
101
|
117
|
84
|
56
|
73
|
76
|
70
|
62
|
80
|
71
|
61
|
60
|
54
|
40
|
68
|
80
|
72
|
70
|
59
|
71
|
69
|
77
|
101
|
73
|
80
|
68
|
62
|
64
|
68
|
40
|
|
|
2024/03
|
109
|
80
|
62
|
93
|
118
|
109
|
88
|
45
|
70
|
100
|
81
|
71
|
99
|
97
|
78
|
110
|
90
|
78
|
88
|
73
|
93
|
105
|
81
|
72
|
56
|
78
|
75
|
79
|
82
|
92
|
85
|
|
2024/02
|
96
|
73
|
107
|
116
|
117
|
190
|
220
|
161
|
88
|
125
|
76
|
78
|
94
|
96
|
72
|
74
|
71
|
94
|
83
|
53
|
45
|
45
|
50
|
88
|
118
|
91
|
85
|
81
|
107
|
||
|
2024/01
|
118
|
104
|
53
|
61
|
76
|
71
|
56
|
82
|
120
|
128
|
97
|
192
|
280
|
220
|
64
|
64
|
98
|
115
|
90
|
90
|
77
|
39
|
48
|
48
|
47
|
52
|
54
|
56
|
85
|
165
|
237
|
|
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