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
1 Nov
Sat
2 Nov
Sun
3 Nov
Mon
4 Nov
Tue
5 Nov
Wed
6 Nov
Thu
7 Nov
Real-time AQI (Monitoring Station in Ya'an)
建安厂
116
PM2.5
10
PM10
25
O3
0.4
CO
6
SO2
22
NO2
市政府
128
PM2.5
12
PM10
30
O3
0.5
CO
5
SO2
12
NO2
川农大
103
PM2.5
6
PM10
31
O3
0.4
CO
5
SO2
8
NO2
Air quality in the last 12 months (Ya'an)
|
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
|
|
|
2023/10
|
26
|
21
|
18
|
20
|
16
|
14
|
19
|
22
|
15
|
24
|
30
|
18
|
16
|
22
|
37
|
53
|
77
|
30
|
16
|
23
|
37
|
54
|
71
|
76
|
55
|
27
|
21
|
33
|
55
|
68
|
54
|
|
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