Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 Nov
Sat
23 Nov
Sun
24 Nov
Mon
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Ya'an Air quality rank
Real-time AQI (Monitoring Station in Ya'an)
建安厂
10075 *
PM2.5
96
PM10
72
O3
0.8
CO
6
SO2
25
NO2
市政府
7252 *
PM2.5
65
PM10
90
O3
0.6
CO
6
SO2
15
NO2
川农大
6244 *
PM2.5
54
PM10
85
O3
0.3
CO
5
SO2
15
NO2
Air quality in the last 12 months (Ya'an)
|
2024/10
|
18
|
28
|
26
|
27
|
27
|
30
|
35
|
47
|
46
|
17
|
24
|
23
|
41
|
46
|
50
|
44
|
21
|
40
|
19
|
23
|
22
|
18
|
32
|
55
|
40
|
19
|
17
|
26
|
49
|
40
|
35
|
|
2024/09
|
21
|
20
|
22
|
25
|
15
|
23
|
20
|
34
|
22
|
14
|
28
|
33
|
29
|
30
|
27
|
15
|
29
|
34
|
37
|
39
|
22
|
27
|
32
|
35
|
31
|
39
|
54
|
68
|
54
|
11
|
|
|
2024/08
|
38
|
42
|
30
|
16
|
25
|
27
|
41
|
35
|
25
|
22
|
50
|
37
|
37
|
46
|
41
|
21
|
33
|
30
|
35
|
46
|
51
|
55
|
58
|
47
|
44
|
40
|
39
|
45
|
51
|
43
|
41
|
|
2024/07
|
15
|
21
|
24
|
34
|
22
|
22
|
36
|
14
|
8
|
13
|
19
|
26
|
26
|
13
|
25
|
18
|
20
|
17
|
37
|
18
|
19
|
24
|
23
|
13
|
18
|
36
|
39
|
23
|
18
|
16
|
26
|
|
2024/06
|
50
|
19
|
26
|
24
|
35
|
38
|
19
|
25
|
17
|
28
|
25
|
42
|
34
|
35
|
37
|
45
|
13
|
26
|
21
|
37
|
21
|
14
|
28
|
23
|
30
|
32
|
21
|
25
|
25
|
33
|
|
|
2024/05
|
27
|
22
|
21
|
15
|
32
|
36
|
39
|
28
|
28
|
55
|
29
|
36
|
38
|
49
|
52
|
54
|
38
|
38
|
32
|
34
|
32
|
40
|
50
|
49
|
54
|
36
|
35
|
31
|
12
|
19
|
41
|
|
2024/04
|
57
|
53
|
48
|
39
|
34
|
19
|
19
|
15
|
29
|
28
|
24
|
42
|
53
|
56
|
63
|
51
|
29
|
19
|
23
|
40
|
55
|
60
|
23
|
25
|
40
|
52
|
64
|
74
|
45
|
12
|
|
|
2024/03
|
34
|
26
|
58
|
115
|
51
|
46
|
56
|
64
|
104
|
101
|
29
|
54
|
43
|
22
|
55
|
52
|
82
|
55
|
55
|
63
|
64
|
70
|
68
|
57
|
19
|
31
|
37
|
18
|
32
|
43
|
45
|
|
2024/02
|
71
|
61
|
28
|
38
|
49
|
48
|
54
|
57
|
49
|
103
|
94
|
90
|
81
|
99
|
35
|
35
|
50
|
70
|
91
|
185
|
67
|
53
|
41
|
51
|
77
|
103
|
105
|
79
|
42
|
||
|
2024/01
|
178
|
62
|
57
|
96
|
66
|
70
|
110
|
84
|
94
|
102
|
123
|
147
|
197
|
127
|
78
|
76
|
91
|
97
|
98
|
42
|
34
|
37
|
44
|
45
|
60
|
55
|
80
|
103
|
127
|
145
|
104
|
|
2023/12
|
46
|
57
|
71
|
85
|
95
|
46
|
65
|
103
|
114
|
120
|
66
|
78
|
88
|
70
|
48
|
61
|
65
|
64
|
70
|
101
|
89
|
81
|
138
|
74
|
115
|
128
|
124
|
187
|
126
|
116
|
237
|
|
2023/11
|
64
|
44
|
25
|
35
|
33
|
47
|
58
|
79
|
53
|
85
|
41
|
24
|
23
|
37
|
30
|
33
|
47
|
64
|
69
|
88
|
71
|
32
|
49
|
83
|
93
|
26
|
52
|
50
|
60
|
51
|
|
|
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