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
15 Apr
Thu
16 Apr
Fri
17 Apr
Sat
18 Apr
Sun
19 Apr
Mon
20 Apr
Tue
21 Apr
Real-time AQI (Monitoring Station in Ya'an)
市政府
3927
PM2.5
34
PM10
71
O3
0.4
CO
7
SO2
17
NO2
川农大
3826
PM2.5
36
PM10
64
O3
0.4
CO
6
SO2
15
NO2
滨江西路
5528
PM2.5
57 *
PM10
86
O3
0.3
CO
7
SO2
17
NO2
Air quality in the last 12 months (Ya'an)
|
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
|
|
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
|
|
|
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