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 Jan
Thu
15 Jan
Fri
16 Jan
Sat
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Real-time AQI (Monitoring Station in Ya'an)
市政府
3021
PM2.5
27
PM10
85
O3
0.5
CO
6
SO2
17
NO2
川农大
3220
PM2.5
24
PM10
100
O3
0.5
CO
6
SO2
10
NO2
滨江西路
3920
PM2.5
39
PM10
80
O3
0.5
CO
8
SO2
18
NO2
Air quality in the last 12 months (Ya'an)
|
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
|
|||
|
2025/01
|
83
|
80
|
83
|
146
|
78
|
104
|
71
|
46
|
41
|
62
|
30
|
68
|
68
|
64
|
68
|
63
|
77
|
37
|
49
|
79
|
112
|
125
|
158
|
70
|
30
|
41
|
72
|
43
|
100
|
99
|
53
|
|
2024/12
|
69
|
67
|
88
|
79
|
42
|
72
|
56
|
28
|
22
|
33
|
40
|
57
|
43
|
33
|
38
|
56
|
93
|
81
|
164
|
133
|
85
|
37
|
36
|
35
|
48
|
42
|
87
|
62
|
81
|
36
|
38
|
|
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