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
10 Nov
Wed
11 Nov
Thu
12 Nov
Fri
13 Nov
Sat
14 Nov
Sun
15 Nov
Mon
16 Nov
Real-time AQI (Monitoring Station in Ya'an)
市政府
4025
PM2.5
40
PM10
33
O3
0.4
CO
13
SO2
15
NO2
川农大
3625
PM2.5
36
PM10
34
O3
0.4
CO
12
SO2
14
NO2
滨江西路
4727
PM2.5
47
PM10
34
O3
0.3
CO
10
SO2
13
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