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
14 Feb
Sun
15 Feb
Mon
16 Feb
Tue
17 Feb
Wed
18 Feb
Thu
19 Feb
Fri
20 Feb
Ya'an Air quality rank
Real-time AQI (Monitoring Station in Ya'an)
市政府
5034
PM2.5
50
PM10
39
O3
0.6
CO
6
SO2
5
NO2
川农大
4934
PM2.5
48
PM10
56
O3
0.7
CO
5
SO2
5
NO2
滨江西路
4934
PM2.5
41
PM10
37
O3
0.5
CO
7
SO2
10
NO2
Air quality in the last 12 months (Ya'an)
|
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
|
|
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
|
|||
|
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