Air Quality
Excellent
No health implications.
11
PM2.5
15
PM10
94
O3
0.4
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
51
Good
Wed
18 Mar
47
Excellent
Thu
19 Mar
55
Good
Fri
20 Mar
51
Good
Sat
21 Mar
33
Excellent
Sun
22 Mar
33
Excellent
Mon
23 Mar
38
Excellent
Air quality in the last 12 months (Jianchuan)
|
2026/02
|
24
|
20
|
18
|
18
|
20
|
23
|
26
|
24
|
21
|
21
|
22
|
20
|
20
|
21
|
27
|
34
|
39
|
35
|
43
|
36
|
29
|
45
|
31
|
33
|
34
|
34
|
33
|
43
|
|||
|
2026/01
|
31
|
25
|
19
|
18
|
19
|
23
|
23
|
25
|
25
|
24
|
25
|
22
|
24
|
29
|
29
|
24
|
29
|
29
|
24
|
19
|
22
|
27
|
29
|
27
|
23
|
27
|
23
|
25
|
25
|
27
|
26
|
|
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
|
|
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