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
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Real-time AQI (Monitoring Station in Leshan)
牛耳桥
183
PM2.5
8
PM10
56
O3
0.6
CO
7
SO2
20
NO2
市第三水厂
203
PM2.5
9
PM10
64
O3
0.4
CO
6
SO2
14
NO2
市监测站
173
PM2.5
9
PM10
53
O3
0.5
CO
5
SO2
13
NO2
理工大学
173
PM2.5
11
PM10
53
O3
0.5
CO
6
SO2
14
NO2
Air quality in the last 12 months (Leshan)
|
2025/08
|
39
|
38
|
39
|
53
|
45
|
26
|
24
|
37
|
16
|
9
|
14
|
25
|
34
|
42
|
46
|
41
|
30
|
14
|
19
|
35
|
18
|
18
|
16
|
15
|
19
|
30
|
31
|
20
|
9
|
12
|
21
|
|
2025/07
|
27
|
24
|
21
|
25
|
8
|
25
|
19
|
27
|
30
|
21
|
18
|
26
|
39
|
38
|
41
|
44
|
43
|
39
|
20
|
22
|
17
|
28
|
22
|
19
|
18
|
9
|
22
|
28
|
32
|
33
|
36
|
|
2025/06
|
23
|
19
|
39
|
46
|
51
|
55
|
56
|
33
|
42
|
43
|
43
|
49
|
48
|
52
|
39
|
43
|
46
|
18
|
21
|
32
|
24
|
24
|
35
|
14
|
19
|
23
|
32
|
36
|
17
|
13
|
|
|
2025/05
|
44
|
56
|
66
|
56
|
29
|
21
|
30
|
30
|
84
|
78
|
69
|
103
|
62
|
89
|
67
|
54
|
81
|
75
|
57
|
58
|
64
|
47
|
42
|
52
|
53
|
55
|
30
|
22
|
37
|
35
|
24
|
|
2025/04
|
54
|
60
|
61
|
67
|
25
|
38
|
46
|
57
|
56
|
63
|
60
|
134
|
146
|
101
|
104
|
84
|
65
|
65
|
57
|
61
|
65
|
64
|
67
|
34
|
40
|
35
|
41
|
46
|
26
|
28
|
|
|
2025/03
|
99
|
96
|
40
|
38
|
36
|
17
|
37
|
36
|
50
|
62
|
77
|
71
|
80
|
64
|
22
|
29
|
30
|
34
|
36
|
45
|
58
|
69
|
64
|
61
|
58
|
75
|
111
|
89
|
53
|
40
|
40
|
|
2025/02
|
45
|
37
|
44
|
54
|
35
|
34
|
31
|
28
|
44
|
54
|
68
|
52
|
61
|
58
|
60
|
70
|
86
|
88
|
65
|
53
|
43
|
20
|
40
|
37
|
25
|
40
|
79
|
87
|
|||
|
2025/01
|
137
|
153
|
157
|
190
|
147
|
125
|
92
|
57
|
71
|
77
|
43
|
80
|
96
|
84
|
90
|
91
|
113
|
68
|
79
|
100
|
139
|
198
|
190
|
97
|
22
|
30
|
54
|
61
|
171
|
117
|
69
|
|
2024/12
|
91
|
125
|
126
|
99
|
61
|
62
|
55
|
33
|
29
|
50
|
66
|
65
|
54
|
58
|
54
|
78
|
115
|
162
|
155
|
124
|
125
|
74
|
68
|
50
|
60
|
71
|
104
|
79
|
105
|
70
|
82
|
|
2024/11
|
30
|
46
|
56
|
34
|
41
|
66
|
62
|
64
|
56
|
38
|
37
|
47
|
37
|
42
|
60
|
39
|
23
|
18
|
27
|
31
|
56
|
63
|
58
|
48
|
14
|
26
|
42
|
48
|
60
|
71
|
|
|
2024/10
|
23
|
34
|
21
|
25
|
36
|
39
|
47
|
51
|
50
|
32
|
33
|
26
|
33
|
39
|
56
|
82
|
23
|
36
|
23
|
20
|
17
|
25
|
46
|
57
|
38
|
26
|
28
|
46
|
74
|
54
|
52
|
|
2024/09
|
22
|
39
|
32
|
44
|
22
|
25
|
39
|
51
|
37
|
20
|
22
|
40
|
38
|
23
|
33
|
26
|
37
|
47
|
53
|
54
|
26
|
45
|
53
|
60
|
65
|
66
|
74
|
83
|
55
|
8
|
|
|
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