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
29 Aug
Sun
30 Aug
Mon
31 Aug
Tue
1 Sep
Wed
2 Sep
Thu
3 Sep
Fri
4 Sep
Real-time AQI (Monitoring Station in Ya'an)
市政府
233
PM2.5
11
PM10
71
O3
0.5
CO
5
SO2
5
NO2
川农大
213
PM2.5
10
PM10
66
O3
0.3
CO
6
SO2
2
NO2
滨江西路
223
PM2.5
12
PM10
70
O3
0.4
CO
3
SO2
4
NO2
Air quality in the last 12 months (Ya'an)
|
2026/07
|
42
|
28
|
40
|
37
|
36
|
46
|
38
|
37
|
57
|
56
|
24
|
17
|
27
|
37
|
33
|
32
|
28
|
18
|
27
|
34
|
33
|
35
|
34
|
38
|
53
|
50
|
32
|
24
|
24
|
25
|
20
|
|
2026/06
|
39
|
55
|
38
|
28
|
30
|
45
|
34
|
26
|
27
|
33
|
27
|
29
|
29
|
40
|
36
|
32
|
31
|
35
|
35
|
27
|
20
|
21
|
28
|
21
|
18
|
22
|
40
|
27
|
30
|
41
|
|
|
2026/05
|
44
|
20
|
22
|
26
|
36
|
51
|
45
|
38
|
32
|
39
|
49
|
49
|
70
|
51
|
23
|
39
|
36
|
24
|
27
|
33
|
54
|
59
|
46
|
33
|
25
|
23
|
27
|
33
|
35
|
36
|
49
|
|
2026/04
|
24
|
32
|
44
|
62
|
53
|
33
|
22
|
33
|
29
|
26
|
26
|
35
|
21
|
27
|
34
|
36
|
28
|
34
|
52
|
114
|
48
|
27
|
32
|
42
|
47
|
53
|
37
|
23
|
28
|
42
|
|
|
2026/03
|
15
|
18
|
19
|
17
|
28
|
42
|
37
|
31
|
18
|
25
|
34
|
37
|
48
|
24
|
30
|
46
|
25
|
23
|
39
|
34
|
47
|
37
|
39
|
23
|
27
|
30
|
22
|
30
|
33
|
24
|
22
|
|
2026/02
|
71
|
83
|
105
|
115
|
70
|
82
|
66
|
30
|
46
|
29
|
39
|
59
|
53
|
60
|
64
|
52
|
174
|
77
|
55
|
52
|
58
|
62
|
79
|
33
|
45
|
48
|
43
|
29
|
|||
|
2026/01
|
44
|
58
|
37
|
28
|
61
|
52
|
49
|
48
|
67
|
102
|
128
|
160
|
131
|
108
|
58
|
86
|
97
|
128
|
86
|
44
|
55
|
79
|
110
|
120
|
90
|
87
|
98
|
111
|
115
|
54
|
74
|
|
2025/12
|
91
|
98
|
53
|
66
|
67
|
87
|
46
|
93
|
120
|
72
|
97
|
70
|
45
|
67
|
79
|
86
|
58
|
113
|
111
|
63
|
61
|
76
|
57
|
54
|
61
|
77
|
90
|
86
|
144
|
129
|
75
|
|
2025/11
|
13
|
25
|
30
|
25
|
28
|
24
|
21
|
25
|
38
|
43
|
23
|
17
|
28
|
29
|
26
|
52
|
23
|
35
|
28
|
35
|
46
|
65
|
48
|
73
|
81
|
93
|
50
|
63
|
85
|
59
|
|
|
2025/10
|
34
|
20
|
34
|
31
|
21
|
19
|
23
|
26
|
30
|
43
|
25
|
16
|
18
|
35
|
44
|
55
|
30
|
19
|
23
|
9
|
15
|
22
|
11
|
9
|
15
|
15
|
18
|
34
|
28
|
32
|
19
|
|
2025/09
|
34
|
34
|
25
|
41
|
36
|
36
|
55
|
35
|
31
|
39
|
23
|
13
|
22
|
38
|
46
|
22
|
18
|
16
|
12
|
22
|
28
|
11
|
15
|
18
|
28
|
45
|
49
|
21
|
9
|
22
|
|
|
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
|
|
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