Air Quality
Excellent
No health implications.
9
PM2.5
39
PM10
101
O3
0.2
CO
7
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
97
Good
Wed
14 May
99
Good
Thu
15 May
94
Good
Fri
16 May
97
Good
Sat
17 May
124
Light
Sun
18 May
142
Light
Mon
19 May
19
Excellent
Air quality in the last 12 months (Bohu)
|
2025/02
|
72
|
79
|
74
|
62
|
57
|
223
|
157
|
184
|
163
|
114
|
246
|
316
|
177
|
174
|
164
|
145
|
128
|
105
|
127
|
109
|
90
|
68
|
76
|
225
|
234
|
192
|
174
|
121
|
|||
|
2025/01
|
79
|
67
|
67
|
74
|
69
|
65
|
56
|
56
|
58
|
44
|
35
|
31
|
47
|
46
|
46
|
63
|
70
|
63
|
64
|
67
|
71
|
71
|
66
|
53
|
132
|
403
|
279
|
287
|
167
|
152
|
116
|
|
2024/12
|
77
|
78
|
63
|
66
|
55
|
55
|
62
|
58
|
55
|
25
|
32
|
33
|
27
|
31
|
37
|
44
|
46
|
50
|
49
|
51
|
50
|
55
|
67
|
67
|
64
|
53
|
56
|
97
|
88
|
71
|
68
|
|
2024/11
|
71
|
77
|
79
|
78
|
109
|
95
|
83
|
59
|
48
|
66
|
71
|
71
|
84
|
55
|
37
|
52
|
67
|
68
|
78
|
71
|
60
|
70
|
64
|
50
|
41
|
41
|
50
|
89
|
81
|
77
|
|
|
2024/10
|
89
|
77
|
74
|
46
|
43
|
60
|
76
|
80
|
71
|
83
|
104
|
99
|
77
|
63
|
75
|
80
|
59
|
52
|
38
|
46
|
43
|
70
|
101
|
107
|
74
|
87
|
80
|
83
|
51
|
34
|
47
|
|
2024/09
|
90
|
56
|
19
|
26
|
121
|
102
|
98
|
55
|
101
|
52
|
52
|
82
|
75
|
73
|
46
|
71
|
86
|
77
|
62
|
67
|
76
|
92
|
50
|
30
|
34
|
69
|
37
|
54
|
47
|
39
|
|
|
2024/08
|
44
|
60
|
58
|
45
|
44
|
67
|
18
|
19
|
49
|
58
|
32
|
27
|
37
|
31
|
58
|
47
|
62
|
67
|
56
|
55
|
77
|
54
|
48
|
58
|
86
|
50
|
60
|
47
|
52
|
48
|
34
|
|
2024/07
|
48
|
36
|
23
|
37
|
41
|
57
|
29
|
45
|
45
|
29
|
48
|
50
|
29
|
29
|
29
|
56
|
49
|
46
|
67
|
74
|
82
|
58
|
67
|
65
|
68
|
47
|
39
|
43
|
51
|
45
|
62
|
|
2024/06
|
28
|
57
|
74
|
37
|
34
|
60
|
67
|
57
|
37
|
62
|
52
|
39
|
35
|
33
|
46
|
30
|
34
|
86
|
124
|
54
|
61
|
46
|
45
|
49
|
42
|
53
|
56
|
52
|
52
|
53
|
|
|
2024/05
|
94
|
127
|
62
|
75
|
89
|
80
|
75
|
83
|
66
|
70
|
64
|
71
|
73
|
65
|
166
|
335
|
165
|
159
|
116
|
81
|
89
|
78
|
56
|
53
|
47
|
32
|
41
|
117
|
68
|
47
|
31
|
|
2024/04
|
63
|
29
|
56
|
57
|
42
|
56
|
89
|
65
|
120
|
74
|
38
|
80
|
394
|
402
|
264
|
135
|
104
|
55
|
35
|
73
|
88
|
58
|
71
|
57
|
61
|
52
|
94
|
108
|
58
|
55
|
|
|
2024/03
|
248
|
143
|
141
|
118
|
253
|
171
|
166
|
187
|
150
|
165
|
125
|
136
|
123
|
113
|
66
|
42
|
153
|
302
|
240
|
281
|
181
|
106
|
91
|
47
|
71
|
62
|
81
|
127
|
107
|
70
|
76
|
|
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