Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Sep
Wed
1 Oct
Thu
2 Oct
Fri
3 Oct
Sat
4 Oct
Sun
5 Oct
Mon
6 Oct
Real-time AQI (Monitoring Station in Ya'an)
市政府
133
PM2.5
13
PM10
18
O3
0.5
CO
6
SO2
7
NO2
川农大
133
PM2.5
13
PM10
29
O3
0.5
CO
5
SO2
9
NO2
滨江西路
156
PM2.5
15
PM10
18
O3
0.4
CO
6
SO2
8
NO2
Air quality in the last 12 months (Ya'an)
|
2025/08
|
36
|
36
|
37
|
41
|
42
|
30
|
23
|
35
|
22
|
14
|
14
|
26
|
28
|
28
|
30
|
36
|
24
|
19
|
22
|
28
|
19
|
17
|
25
|
19
|
25
|
30
|
29
|
15
|
11
|
11
|
26
|
|
2025/07
|
25
|
30
|
25
|
21
|
10
|
18
|
19
|
33
|
26
|
32
|
16
|
23
|
29
|
41
|
43
|
48
|
47
|
46
|
27
|
24
|
19
|
24
|
29
|
26
|
22
|
13
|
20
|
25
|
31
|
26
|
35
|
|
2025/06
|
14
|
18
|
29
|
38
|
44
|
38
|
45
|
20
|
26
|
30
|
30
|
34
|
42
|
46
|
27
|
31
|
37
|
43
|
10
|
24
|
23
|
30
|
29
|
15
|
14
|
24
|
31
|
38
|
25
|
13
|
|
|
2025/05
|
33
|
38
|
26
|
42
|
17
|
19
|
27
|
17
|
59
|
73
|
57
|
48
|
41
|
38
|
35
|
31
|
23
|
33
|
34
|
45
|
48
|
47
|
36
|
39
|
47
|
62
|
31
|
19
|
31
|
28
|
13
|
|
2025/04
|
40
|
46
|
59
|
56
|
19
|
32
|
45
|
45
|
45
|
53
|
51
|
92
|
71
|
58
|
59
|
74
|
59
|
55
|
46
|
53
|
53
|
56
|
62
|
29
|
40
|
34
|
24
|
25
|
22
|
25
|
|
|
2025/03
|
80
|
62
|
35
|
44
|
26
|
16
|
23
|
22
|
40
|
61
|
60
|
57
|
82
|
53
|
19
|
23
|
22
|
12
|
23
|
34
|
29
|
27
|
28
|
35
|
41
|
50
|
93
|
103
|
64
|
59
|
58
|
|
2025/02
|
28
|
27
|
36
|
47
|
41
|
32
|
25
|
26
|
32
|
37
|
47
|
37
|
49
|
56
|
40
|
63
|
62
|
54
|
22
|
43
|
40
|
20
|
32
|
35
|
14
|
27
|
92
|
47
|
|||
|
2025/01
|
83
|
80
|
83
|
146
|
78
|
104
|
71
|
46
|
41
|
62
|
30
|
68
|
68
|
64
|
68
|
63
|
77
|
37
|
49
|
79
|
112
|
125
|
158
|
70
|
30
|
41
|
72
|
43
|
100
|
99
|
53
|
|
2024/12
|
69
|
67
|
88
|
79
|
42
|
72
|
56
|
28
|
22
|
33
|
40
|
57
|
43
|
33
|
38
|
56
|
93
|
81
|
164
|
133
|
85
|
37
|
36
|
35
|
48
|
42
|
87
|
62
|
81
|
36
|
38
|
|
2024/11
|
14
|
29
|
33
|
16
|
22
|
52
|
55
|
74
|
66
|
13
|
25
|
25
|
25
|
30
|
44
|
21
|
19
|
20
|
17
|
25
|
34
|
63
|
52
|
32
|
13
|
38
|
32
|
31
|
38
|
61
|
|
|
2024/10
|
18
|
28
|
26
|
27
|
27
|
30
|
35
|
47
|
46
|
17
|
24
|
23
|
41
|
46
|
50
|
44
|
21
|
40
|
19
|
23
|
22
|
18
|
32
|
55
|
40
|
19
|
17
|
26
|
49
|
40
|
35
|
|
2024/09
|
21
|
20
|
22
|
25
|
15
|
23
|
20
|
34
|
22
|
14
|
28
|
33
|
29
|
30
|
27
|
15
|
29
|
34
|
37
|
39
|
22
|
27
|
32
|
35
|
31
|
39
|
54
|
68
|
54
|
11
|
|
|
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
*: primary pollution