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
31 May
Mon
1 Jun
Tue
2 Jun
Wed
3 Jun
Thu
4 Jun
Fri
5 Jun
Sat
6 Jun
Real-time AQI (Monitoring Station in Ya'an)
市政府
6241 *
PM2.5
57
PM10
86
O3
0.4
CO
9
SO2
14
NO2
川农大
6442 *
PM2.5
57
PM10
60
O3
0.6
CO
8
SO2
13
NO2
滨江西路
6040
PM2.5
64
PM10
86
O3
0.6
CO
9
SO2
22
NO2
Air quality in the last 12 months (Ya'an)
|
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
|
|
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
|
|
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