Air Quality
Excellent
No health implications.
24
PM2.5
40
PM10
22
O3
1.0
CO
2
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Feb
55
Good
Fri
28 Feb
51
Good
Sat
1 Mar
56
Good
Sun
2 Mar
52
Good
Mon
3 Mar
60
Good
Tue
4 Mar
59
Good
Wed
5 Mar
39
Excellent
Air quality in the last 12 months (Bijiang)
|
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
|
|
2024/04
|
27
|
25
|
16
|
28
|
18
|
15
|
15
|
23
|
17
|
23
|
28
|
29
|
24
|
25
|
45
|
31
|
11
|
32
|
16
|
24
|
45
|
40
|
29
|
31
|
16
|
17
|
18
|
20
|
17
|
10
|
|
|
2024/03
|
72
|
47
|
44
|
40
|
29
|
53
|
63
|
49
|
56
|
47
|
43
|
35
|
34
|
33
|
39
|
24
|
21
|
14
|
30
|
56
|
46
|
44
|
39
|
29
|
21
|
13
|
22
|
22
|
23
|
29
|
24
|
|
2024/02
|
26
|
22
|
20
|
31
|
42
|
46
|
61
|
75
|
113
|
152
|
89
|
75
|
71
|
65
|
60
|
36
|
41
|
53
|
64
|
45
|
18
|
29
|
33
|
30
|
29
|
44
|
56
|
49
|
62
|
||
|
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