Air Quality
Excellent
No health implications.
11
PM2.5
23
PM10
50
O3
0.3
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
92
Good
Sat
27 Apr
98
Good
Sun
28 Apr
95
Good
Mon
29 Apr
94
Good
Tue
30 Apr
97
Good
Wed
1 May
100
Good
Air quality in the last 12 months (Songbei)
|
2024/02
|
53
|
104
|
195
|
139
|
179
|
82
|
188
|
159
|
196
|
425
|
125
|
62
|
77
|
27
|
32
|
45
|
46
|
35
|
24
|
26
|
29
|
35
|
55
|
87
|
147
|
32
|
66
|
51
|
62
|
||
|
2024/01
|
87
|
139
|
133
|
67
|
49
|
107
|
61
|
50
|
74
|
65
|
66
|
73
|
152
|
61
|
45
|
67
|
71
|
69
|
114
|
57
|
34
|
30
|
93
|
50
|
133
|
244
|
305
|
167
|
100
|
95
|
61
|
|
2023/12
|
58
|
84
|
66
|
51
|
90
|
37
|
31
|
51
|
33
|
33
|
53
|
63
|
130
|
125
|
40
|
34
|
38
|
66
|
145
|
53
|
71
|
76
|
110
|
81
|
80
|
92
|
109
|
122
|
118
|
155
|
32
|
|
2023/11
|
45
|
70
|
30
|
37
|
44
|
37
|
27
|
62
|
57
|
41
|
53
|
80
|
50
|
92
|
124
|
154
|
44
|
35
|
41
|
48
|
61
|
72
|
23
|
27
|
38
|
79
|
116
|
65
|
39
|
38
|
|
|
2023/10
|
21
|
23
|
39
|
16
|
17
|
26
|
40
|
64
|
50
|
35
|
45
|
43
|
51
|
60
|
31
|
24
|
35
|
39
|
21
|
26
|
23
|
35
|
52
|
74
|
69
|
30
|
48
|
104
|
108
|
121
|
112
|
|
2023/09
|
17
|
25
|
31
|
28
|
19
|
31
|
38
|
33
|
30
|
50
|
30
|
15
|
21
|
25
|
35
|
41
|
54
|
37
|
16
|
20
|
23
|
19
|
28
|
25
|
31
|
31
|
30
|
16
|
19
|
19
|
|
|
2023/08
|
31
|
22
|
25
|
24
|
13
|
16
|
15
|
17
|
18
|
31
|
18
|
17
|
18
|
21
|
34
|
31
|
36
|
33
|
22
|
40
|
34
|
24
|
20
|
20
|
24
|
20
|
22
|
25
|
18
|
13
|
16
|
|
2023/07
|
30
|
31
|
38
|
40
|
29
|
30
|
30
|
36
|
27
|
27
|
33
|
51
|
40
|
30
|
12
|
14
|
13
|
23
|
39
|
47
|
27
|
29
|
21
|
17
|
26
|
37
|
48
|
29
|
37
|
26
|
26
|
|
2023/06
|
31
|
28
|
19
|
23
|
24
|
25
|
31
|
25
|
33
|
30
|
27
|
31
|
48
|
45
|
62
|
41
|
27
|
33
|
58
|
39
|
30
|
34
|
37
|
57
|
66
|
56
|
26
|
25
|
31
|
35
|
|
|
2023/05
|
28
|
72
|
75
|
35
|
28
|
33
|
45
|
36
|
28
|
31
|
46
|
42
|
37
|
39
|
36
|
38
|
40
|
42
|
40
|
349
|
177
|
29
|
36
|
57
|
76
|
31
|
30
|
30
|
23
|
27
|
39
|
|
2023/04
|
166
|
159
|
118
|
55
|
137
|
137
|
68
|
53
|
122
|
237
|
220
|
164
|
43
|
63
|
91
|
99
|
65
|
49
|
53
|
162
|
47
|
30
|
28
|
37
|
44
|
30
|
52
|
43
|
34
|
25
|
|
|
2023/03
|
46
|
49
|
51
|
44
|
94
|
64
|
64
|
34
|
52
|
93
|
68
|
32
|
50
|
55
|
55
|
46
|
26
|
39
|
48
|
114
|
104
|
298
|
71
|
53
|
78
|
74
|
90
|
150
|
134
|
60
|
248
|
|
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