Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
51
O3
0.7
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
54
Good
Thu
20 Mar
52
Good
Fri
21 Mar
54
Good
Sat
22 Mar
53
Good
Sun
23 Mar
56
Good
Mon
24 Mar
22
Excellent
Tue
25 Mar
36
Excellent
Air quality in the last 12 months (Binchuan)
|
2025/02
|
46
|
50
|
47
|
44
|
39
|
47
|
47
|
34
|
35
|
29
|
27
|
30
|
41
|
51
|
33
|
37
|
34
|
39
|
43
|
33
|
34
|
35
|
37
|
36
|
32
|
24
|
23
|
32
|
|||
|
2025/01
|
31
|
30
|
37
|
35
|
37
|
37
|
29
|
28
|
25
|
30
|
31
|
36
|
37
|
34
|
47
|
51
|
38
|
33
|
32
|
34
|
42
|
47
|
38
|
27
|
27
|
30
|
30
|
44
|
46
|
36
|
36
|
|
2024/12
|
25
|
24
|
25
|
24
|
24
|
23
|
26
|
25
|
21
|
26
|
36
|
37
|
29
|
26
|
24
|
27
|
35
|
30
|
25
|
23
|
28
|
21
|
20
|
29
|
26
|
33
|
41
|
45
|
28
|
23
|
27
|
|
2024/11
|
32
|
35
|
28
|
29
|
27
|
38
|
18
|
13
|
17
|
24
|
25
|
22
|
23
|
24
|
27
|
31
|
31
|
26
|
25
|
26
|
21
|
20
|
20
|
20
|
23
|
23
|
24
|
27
|
21
|
21
|
|
|
2024/10
|
16
|
18
|
23
|
21
|
15
|
17
|
20
|
23
|
23
|
24
|
24
|
29
|
26
|
25
|
26
|
22
|
20
|
29
|
32
|
26
|
25
|
27
|
26
|
22
|
24
|
30
|
31
|
50
|
39
|
31
|
28
|
|
2024/09
|
20
|
20
|
20
|
18
|
15
|
22
|
30
|
28
|
22
|
15
|
20
|
21
|
24
|
24
|
24
|
25
|
23
|
26
|
32
|
32
|
34
|
27
|
25
|
31
|
33
|
26
|
22
|
20
|
18
|
22
|
|
|
2024/08
|
21
|
30
|
21
|
16
|
16
|
16
|
15
|
16
|
25
|
22
|
18
|
30
|
29
|
41
|
40
|
31
|
32
|
28
|
19
|
21
|
22
|
30
|
26
|
24
|
24
|
24
|
21
|
32
|
26
|
29
|
18
|
|
2024/07
|
11
|
14
|
13
|
14
|
14
|
18
|
15
|
16
|
17
|
15
|
14
|
13
|
16
|
20
|
14
|
16
|
21
|
20
|
21
|
22
|
16
|
18
|
17
|
19
|
21
|
22
|
24
|
26
|
23
|
21
|
22
|
|
2024/06
|
37
|
35
|
31
|
31
|
27
|
28
|
21
|
23
|
21
|
24
|
30
|
28
|
15
|
16
|
17
|
21
|
26
|
23
|
26
|
31
|
32
|
31
|
25
|
14
|
15
|
27
|
19
|
14
|
15
|
14
|
|
|
2024/05
|
43
|
43
|
35
|
53
|
53
|
35
|
35
|
39
|
27
|
29
|
33
|
29
|
33
|
30
|
29
|
31
|
34
|
37
|
32
|
18
|
26
|
32
|
24
|
26
|
21
|
15
|
14
|
15
|
21
|
36
|
28
|
|
2024/04
|
28
|
34
|
49
|
42
|
39
|
53
|
40
|
43
|
43
|
43
|
47
|
56
|
48
|
43
|
46
|
56
|
56
|
52
|
47
|
43
|
33
|
50
|
55
|
46
|
37
|
48
|
54
|
55
|
47
|
51
|
|
|
2024/03
|
31
|
29
|
28
|
33
|
30
|
27
|
29
|
27
|
22
|
34
|
37
|
54
|
52
|
46
|
51
|
47
|
52
|
43
|
48
|
57
|
46
|
27
|
20
|
28
|
27
|
36
|
33
|
35
|
38
|
46
|
35
|
|
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