Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
76
O3
0.2
CO
12
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 May
48
Excellent
Tue
30 May
45
Excellent
Wed
31 May
46
Excellent
Thu
1 Jun
53
Good
Fri
2 Jun
41
Excellent
Sat
3 Jun
42
Excellent
Sun
4 Jun
38
Excellent
Air quality in the last 12 months (Bijiang)
|
2023/04
|
44
|
51
|
44
|
30
|
23
|
29
|
37
|
64
|
63
|
54
|
42
|
68
|
74
|
67
|
50
|
47
|
52
|
37
|
32
|
45
|
48
|
27
|
16
|
18
|
21
|
25
|
33
|
40
|
66
|
60
|
|
|
2023/03
|
77
|
66
|
69
|
47
|
50
|
53
|
58
|
42
|
35
|
41
|
38
|
78
|
51
|
52
|
57
|
76
|
23
|
24
|
20
|
14
|
15
|
19
|
28
|
20
|
45
|
46
|
47
|
47
|
41
|
38
|
41
|
|
2023/02
|
90
|
82
|
62
|
55
|
86
|
84
|
102
|
76
|
16
|
37
|
24
|
13
|
19
|
44
|
44
|
62
|
67
|
73
|
45
|
48
|
59
|
64
|
24
|
30
|
53
|
56
|
66
|
80
|
|||
|
2023/01
|
55
|
63
|
87
|
117
|
117
|
86
|
69
|
76
|
77
|
126
|
157
|
124
|
79
|
37
|
34
|
54
|
50
|
54
|
55
|
60
|
92
|
123
|
94
|
79
|
73
|
79
|
71
|
75
|
76
|
74
|
77
|
|
2022/12
|
47
|
39
|
42
|
54
|
80
|
58
|
58
|
60
|
58
|
60
|
92
|
59
|
64
|
69
|
72
|
73
|
67
|
66
|
62
|
74
|
65
|
57
|
69
|
66
|
87
|
89
|
69
|
42
|
52
|
71
|
71
|
|
2022/11
|
41
|
39
|
41
|
56
|
86
|
66
|
53
|
47
|
45
|
40
|
32
|
37
|
32
|
37
|
33
|
28
|
31
|
34
|
44
|
39
|
35
|
18
|
20
|
29
|
33
|
34
|
40
|
39
|
23
|
35
|
|
|
2022/10
|
24
|
16
|
17
|
20
|
16
|
16
|
16
|
17
|
17
|
23
|
28
|
34
|
39
|
40
|
40
|
41
|
56
|
94
|
40
|
43
|
43
|
47
|
52
|
56
|
50
|
53
|
29
|
27
|
13
|
31
|
42
|
|
2022/09
|
23
|
30
|
34
|
32
|
28
|
32
|
35
|
33
|
43
|
47
|
39
|
40
|
39
|
54
|
42
|
36
|
37
|
36
|
60
|
51
|
35
|
26
|
20
|
31
|
50
|
45
|
30
|
28
|
32
|
46
|
|
|
2022/08
|
23
|
22
|
21
|
24
|
19
|
18
|
15
|
17
|
20
|
18
|
17
|
19
|
18
|
21
|
20
|
20
|
21
|
21
|
20
|
25
|
20
|
19
|
19
|
30
|
36
|
23
|
20
|
18
|
22
|
29
|
26
|
|
2022/07
|
19
|
18
|
15
|
18
|
20
|
26
|
19
|
20
|
15
|
15
|
14
|
14
|
17
|
17
|
18
|
18
|
20
|
17
|
15
|
14
|
15
|
16
|
16
|
18
|
20
|
21
|
26
|
15
|
17
|
17
|
20
|
|
2022/06
|
17
|
13
|
14
|
14
|
18
|
22
|
25
|
32
|
22
|
20
|
17
|
20
|
15
|
20
|
25
|
19
|
14
|
12
|
12
|
15
|
14
|
15
|
19
|
16
|
18
|
23
|
16
|
21
|
23
|
19
|
|
|
2022/05
|
22
|
21
|
25
|
30
|
30
|
35
|
32
|
21
|
17
|
17
|
15
|
25
|
26
|
23
|
22
|
19
|
22
|
29
|
17
|
16
|
18
|
15
|
14
|
15
|
14
|
21
|
15
|
14
|
13
|
18
|
20
|
|
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