Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Real-time AQI (Monitoring Station in Ya'an)
市政府
5236 *
PM2.5
45
PM10
66
O3
0.5
CO
8
SO2
12
NO2
川农大
10036
PM2.5
120 *
PM10
44
O3
0.6
CO
7
SO2
7
NO2
滨江西路
5437 *
PM2.5
45
PM10
72
O3
0.5
CO
4
SO2
12
NO2
Air quality in the last 12 months (Ya'an)
|
2026/08
|
18
|
22
|
29
|
29
|
29
|
24
|
19
|
27
|
39
|
39
|
39
|
25
|
28
|
35
|
43
|
38
|
21
|
23
|
21
|
24
|
31
|
38
|
26
|
26
|
34
|
36
|
33
|
29
|
20
|
20
|
27
|
|
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
|
|
|
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