Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
29 Dec
Tue
30 Dec
Wed
31 Dec
Thu
1 Jan
Fri
2 Jan
Sat
3 Jan
Sun
4 Jan
Ya'an Air quality rank
Gannan Prefecture, Heilongjiang
Arun Banner, Inner Mongolia
Morin Dawa Daur, Inner Mongolia
Nehe, Heilongjiang
Nenjiang, Heilongjiang
Daxing'anling Prefecture, Heilongjiang
Dawa, Liaoning
Oroqen, Inner Mongolia
Meilisi Daur, Heilongjiang
Ya'an, Sichuan
Real-time AQI (Monitoring Station in Ya'an)
市政府
145111 *
PM2.5
125
PM10
37
O3
1.0
CO
5
SO2
20
NO2
滨江西路
143109 *
PM2.5
121
PM10
33
O3
0.9
CO
8
SO2
23
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