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
7 Feb
Sun
8 Feb
Mon
9 Feb
Tue
10 Feb
Wed
11 Feb
Thu
12 Feb
Fri
13 Feb
Real-time AQI (Monitoring Station in Ya'an)
市政府
3625
PM2.5
35
PM10
63
O3
0.6
CO
3
SO2
13
NO2
川农大
3222
PM2.5
29
PM10
58
O3
0.5
CO
4
SO2
8
NO2
滨江西路
4028
PM2.5
38
PM10
59
O3
0.5
CO
6
SO2
16
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
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2
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3
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4
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5
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6
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7
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8
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9
|
10
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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