Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
78
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
41
Excellent
Fri
6 Feb
36
Excellent
Sat
7 Feb
34
Excellent
Sun
8 Feb
35
Excellent
Mon
9 Feb
39
Excellent
Tue
10 Feb
37
Excellent
Wed
11 Feb
38
Excellent
Air quality in the last 12 months (Binchuan)
|
2025/12
|
36
|
32
|
34
|
26
|
25
|
25
|
26
|
29
|
30
|
29
|
31
|
30
|
34
|
35
|
31
|
26
|
32
|
31
|
32
|
32
|
30
|
30
|
35
|
30
|
32
|
32
|
31
|
29
|
28
|
25
|
25
|
|
2025/11
|
18
|
16
|
10
|
15
|
16
|
17
|
15
|
19
|
17
|
15
|
15
|
19
|
21
|
27
|
24
|
25
|
26
|
26
|
21
|
21
|
20
|
23
|
23
|
23
|
36
|
39
|
32
|
31
|
33
|
34
|
|
|
2025/10
|
12
|
12
|
13
|
13
|
16
|
18
|
16
|
11
|
12
|
13
|
14
|
14
|
16
|
17
|
17
|
17
|
13
|
12
|
12
|
15
|
15
|
19
|
23
|
21
|
20
|
17
|
18
|
22
|
25
|
23
|
23
|
|
2025/09
|
22
|
16
|
17
|
19
|
20
|
20
|
19
|
18
|
20
|
21
|
16
|
16
|
15
|
16
|
16
|
13
|
16
|
16
|
16
|
18
|
17
|
17
|
17
|
13
|
23
|
18
|
12
|
15
|
15
|
10
|
|
|
2025/08
|
21
|
20
|
17
|
17
|
19
|
22
|
22
|
16
|
15
|
16
|
16
|
15
|
16
|
23
|
28
|
25
|
17
|
21
|
24
|
18
|
15
|
12
|
13
|
12
|
16
|
22
|
22
|
17
|
16
|
22
|
24
|
|
2025/07
|
19
|
21
|
14
|
14
|
13
|
14
|
15
|
14
|
16
|
21
|
20
|
22
|
26
|
30
|
22
|
25
|
27
|
28
|
22
|
23
|
20
|
21
|
19
|
20
|
16
|
18
|
18
|
17
|
21
|
25
|
17
|
|
2025/06
|
13
|
13
|
13
|
29
|
32
|
28
|
21
|
23
|
23
|
21
|
26
|
32
|
34
|
33
|
18
|
15
|
13
|
12
|
13
|
14
|
16
|
13
|
14
|
12
|
15
|
11
|
16
|
17
|
15
|
15
|
|
|
2025/05
|
28
|
24
|
23
|
18
|
21
|
26
|
23
|
23
|
26
|
37
|
22
|
29
|
30
|
28
|
32
|
30
|
29
|
26
|
26
|
27
|
24
|
22
|
37
|
20
|
14
|
18
|
15
|
14
|
13
|
14
|
12
|
|
2025/04
|
76
|
67
|
66
|
59
|
56
|
54
|
50
|
57
|
59
|
48
|
38
|
36
|
23
|
30
|
35
|
25
|
27
|
23
|
24
|
23
|
23
|
23
|
37
|
47
|
53
|
53
|
54
|
56
|
39
|
34
|
|
|
2025/03
|
39
|
42
|
29
|
36
|
42
|
48
|
54
|
61
|
54
|
47
|
43
|
61
|
73
|
53
|
41
|
45
|
43
|
45
|
24
|
43
|
61
|
48
|
44
|
33
|
31
|
26
|
28
|
60
|
98
|
79
|
70
|
|
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
|
|
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