Air Quality
Excellent
No health implications.
18
PM2.5
41
PM10
15
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
60
Good
Wed
4 Jun
59
Good
Thu
5 Jun
58
Good
Fri
6 Jun
51
Good
Sat
7 Jun
48
Excellent
Sun
8 Jun
41
Excellent
Mon
9 Jun
50
Excellent
Air quality in the last 12 months (Bijiang)
|
2025/04
|
38
|
49
|
52
|
61
|
61
|
60
|
57
|
61
|
53
|
48
|
52
|
43
|
96
|
79
|
66
|
62
|
60
|
55
|
35
|
37
|
41
|
41
|
43
|
29
|
34
|
34
|
26
|
29
|
45
|
24
|
|
|
2025/03
|
49
|
39
|
15
|
21
|
24
|
26
|
30
|
29
|
38
|
42
|
41
|
52
|
62
|
35
|
15
|
38
|
44
|
34
|
34
|
31
|
37
|
50
|
48
|
48
|
57
|
59
|
69
|
69
|
49
|
33
|
34
|
|
2025/02
|
25
|
19
|
38
|
42
|
56
|
52
|
47
|
71
|
47
|
47
|
47
|
58
|
70
|
36
|
36
|
47
|
34
|
31
|
34
|
37
|
89
|
33
|
50
|
83
|
44
|
38
|
33
|
38
|
|||
|
2025/01
|
91
|
100
|
97
|
117
|
99
|
72
|
62
|
52
|
45
|
54
|
59
|
69
|
62
|
64
|
73
|
68
|
77
|
90
|
86
|
88
|
108
|
131
|
137
|
113
|
22
|
27
|
45
|
91
|
163
|
93
|
46
|
|
2024/12
|
43
|
42
|
77
|
71
|
25
|
38
|
41
|
42
|
49
|
29
|
36
|
61
|
63
|
50
|
48
|
49
|
68
|
69
|
72
|
77
|
86
|
74
|
54
|
63
|
68
|
68
|
70
|
88
|
95
|
100
|
70
|
|
2024/11
|
37
|
50
|
53
|
48
|
58
|
53
|
45
|
47
|
50
|
41
|
32
|
48
|
62
|
59
|
87
|
67
|
13
|
13
|
12
|
15
|
23
|
22
|
52
|
31
|
18
|
20
|
27
|
30
|
30
|
38
|
|
|
2024/10
|
14
|
28
|
35
|
32
|
42
|
50
|
42
|
30
|
36
|
37
|
54
|
65
|
52
|
27
|
39
|
28
|
30
|
28
|
24
|
16
|
18
|
18
|
22
|
29
|
28
|
31
|
34
|
41
|
39
|
37
|
41
|
|
2024/09
|
29
|
24
|
29
|
23
|
38
|
35
|
35
|
31
|
23
|
23
|
30
|
34
|
20
|
20
|
32
|
37
|
32
|
30
|
29
|
29
|
30
|
19
|
27
|
28
|
31
|
36
|
41
|
37
|
50
|
49
|
|
|
2024/08
|
14
|
20
|
18
|
16
|
18
|
19
|
19
|
21
|
21
|
22
|
29
|
48
|
36
|
31
|
36
|
31
|
26
|
22
|
18
|
21
|
23
|
21
|
17
|
15
|
14
|
19
|
21
|
16
|
17
|
19
|
20
|
|
2024/07
|
12
|
14
|
15
|
16
|
13
|
12
|
12
|
14
|
16
|
17
|
16
|
19
|
23
|
20
|
17
|
15
|
16
|
16
|
13
|
15
|
18
|
19
|
17
|
15
|
17
|
24
|
20
|
20
|
15
|
18
|
19
|
|
2024/06
|
19
|
16
|
20
|
10
|
11
|
13
|
16
|
12
|
11
|
10
|
13
|
13
|
18
|
13
|
17
|
18
|
13
|
10
|
12
|
16
|
23
|
14
|
14
|
13
|
18
|
12
|
9
|
17
|
13
|
14
|
|
|
2024/05
|
13
|
17
|
10
|
10
|
14
|
21
|
26
|
33
|
26
|
28
|
15
|
31
|
24
|
31
|
42
|
52
|
43
|
18
|
9
|
10
|
17
|
31
|
27
|
22
|
22
|
21
|
13
|
27
|
12
|
8
|
14
|
|
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