Air Quality
Excellent
No health implications.
15
PM2.5
32
PM10
82
O3
0.5
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
35
Excellent
Thu
29 Jan
33
Excellent
Fri
30 Jan
35
Excellent
Sat
31 Jan
31
Excellent
Sun
1 Feb
31
Excellent
Mon
2 Feb
36
Excellent
Tue
3 Feb
36
Excellent
Air quality in the last 12 months (Jianchuan)
|
2025/12
|
31
|
30
|
32
|
22
|
24
|
24
|
25
|
28
|
26
|
26
|
25
|
25
|
28
|
29
|
24
|
24
|
30
|
27
|
24
|
24
|
30
|
27
|
28
|
26
|
26
|
28
|
24
|
22
|
24
|
22
|
25
|
|
2025/11
|
17
|
14
|
10
|
12
|
17
|
11
|
15
|
18
|
20
|
18
|
19
|
22
|
23
|
25
|
25
|
27
|
24
|
27
|
24
|
20
|
20
|
20
|
18
|
20
|
25
|
31
|
28
|
29
|
28
|
26
|
|
|
2025/10
|
11
|
11
|
11
|
13
|
14
|
14
|
16
|
10
|
12
|
15
|
12
|
12
|
14
|
16
|
17
|
22
|
15
|
12
|
12
|
10
|
14
|
21
|
22
|
22
|
16
|
13
|
17
|
18
|
17
|
18
|
20
|
|
2025/09
|
18
|
14
|
15
|
14
|
17
|
15
|
17
|
16
|
18
|
19
|
16
|
16
|
12
|
14
|
19
|
15
|
14
|
18
|
15
|
14
|
13
|
14
|
14
|
16
|
23
|
21
|
11
|
13
|
14
|
10
|
|
|
2025/08
|
19
|
16
|
14
|
16
|
15
|
21
|
17
|
18
|
14
|
17
|
16
|
14
|
14
|
21
|
24
|
20
|
16
|
16
|
26
|
16
|
12
|
11
|
13
|
12
|
12
|
20
|
20
|
17
|
14
|
15
|
17
|
|
2025/07
|
16
|
18
|
14
|
15
|
12
|
12
|
13
|
13
|
15
|
20
|
20
|
22
|
20
|
26
|
18
|
21
|
23
|
24
|
19
|
24
|
18
|
20
|
18
|
17
|
14
|
11
|
10
|
18
|
21
|
22
|
16
|
|
2025/06
|
11
|
19
|
12
|
32
|
29
|
19
|
17
|
22
|
21
|
18
|
24
|
24
|
32
|
24
|
14
|
18
|
11
|
10
|
10
|
14
|
14
|
12
|
12
|
16
|
13
|
10
|
14
|
18
|
16
|
15
|
|
|
2025/05
|
23
|
19
|
23
|
15
|
17
|
21
|
24
|
18
|
23
|
30
|
24
|
28
|
24
|
24
|
25
|
27
|
28
|
25
|
25
|
20
|
16
|
21
|
27
|
16
|
13
|
19
|
13
|
12
|
11
|
11
|
12
|
|
2025/04
|
71
|
61
|
55
|
49
|
48
|
39
|
45
|
49
|
47
|
40
|
34
|
34
|
21
|
30
|
35
|
18
|
25
|
31
|
22
|
21
|
21
|
22
|
34
|
35
|
42
|
42
|
44
|
47
|
32
|
37
|
|
|
2025/03
|
35
|
26
|
22
|
30
|
37
|
46
|
48
|
56
|
44
|
42
|
44
|
49
|
53
|
32
|
21
|
31
|
24
|
31
|
20
|
36
|
48
|
28
|
25
|
23
|
24
|
22
|
27
|
48
|
91
|
77
|
64
|
|
2025/02
|
33
|
36
|
50
|
43
|
32
|
35
|
39
|
31
|
30
|
29
|
28
|
28
|
34
|
35
|
23
|
32
|
29
|
38
|
24
|
23
|
25
|
28
|
37
|
31
|
33
|
20
|
17
|
28
|
|||
|
2025/01
|
30
|
35
|
41
|
39
|
34
|
28
|
25
|
26
|
22
|
23
|
28
|
26
|
24
|
27
|
33
|
41
|
35
|
19
|
25
|
31
|
50
|
40
|
29
|
18
|
24
|
34
|
30
|
44
|
69
|
32
|
27
|
|
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