Air Quality
Excellent
No health implications.
20
PM2.5
39
PM10
73
O3
0.5
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jan
35
Excellent
Sat
24 Jan
32
Excellent
Sun
25 Jan
33
Excellent
Mon
26 Jan
32
Excellent
Tue
27 Jan
35
Excellent
Wed
28 Jan
35
Excellent
Thu
29 Jan
35
Excellent
Air quality in the last 12 months (Jianchuan)
|
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
|
|
2024/12
|
24
|
22
|
19
|
20
|
20
|
21
|
22
|
21
|
19
|
23
|
27
|
32
|
24
|
20
|
18
|
20
|
29
|
34
|
23
|
18
|
26
|
22
|
28
|
28
|
26
|
30
|
37
|
40
|
21
|
23
|
25
|
|
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