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
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Real-time AQI (Monitoring Station in Ziyang)
资阳中学
253
PM2.5
11
PM10
77
O3
0.6
CO
6
SO2
10
NO2
四三一厂
287
PM2.5
12
PM10
87
O3
0.5
CO
5
SO2
9
NO2
师范校
263
PM2.5
11
PM10
83
O3
0.3
CO
5
SO2
8
NO2
区法院
279
PM2.5
10
PM10
84
O3
0.4
CO
3
SO2
8
NO2
Air quality in the last 12 months (Ziyang)
|
2025/08
|
28
|
28
|
31
|
34
|
41
|
43
|
31
|
40
|
37
|
21
|
24
|
31
|
29
|
39
|
35
|
39
|
28
|
26
|
27
|
30
|
30
|
20
|
16
|
16
|
17
|
23
|
29
|
22
|
14
|
15
|
16
|
|
2025/07
|
21
|
37
|
43
|
29
|
18
|
23
|
29
|
20
|
25
|
23
|
20
|
25
|
31
|
31
|
32
|
36
|
36
|
41
|
27
|
27
|
20
|
27
|
22
|
22
|
29
|
24
|
24
|
29
|
35
|
34
|
28
|
|
2025/06
|
32
|
22
|
38
|
37
|
42
|
41
|
36
|
33
|
25
|
22
|
33
|
32
|
33
|
39
|
35
|
26
|
31
|
28
|
22
|
32
|
24
|
29
|
21
|
23
|
18
|
22
|
26
|
34
|
32
|
19
|
|
|
2025/05
|
40
|
56
|
63
|
63
|
29
|
41
|
31
|
33
|
98
|
81
|
61
|
78
|
51
|
92
|
80
|
69
|
86
|
113
|
62
|
69
|
74
|
52
|
62
|
51
|
44
|
39
|
54
|
21
|
22
|
60
|
29
|
|
2025/04
|
53
|
53
|
50
|
55
|
42
|
47
|
52
|
50
|
54
|
60
|
51
|
272
|
145
|
93
|
91
|
84
|
72
|
64
|
66
|
47
|
48
|
57
|
61
|
33
|
44
|
33
|
31
|
46
|
34
|
31
|
|
|
2025/03
|
84
|
77
|
34
|
32
|
35
|
24
|
32
|
48
|
51
|
73
|
70
|
74
|
45
|
50
|
38
|
38
|
38
|
49
|
50
|
45
|
56
|
66
|
64
|
56
|
53
|
55
|
121
|
75
|
37
|
20
|
28
|
|
2025/02
|
45
|
49
|
49
|
61
|
48
|
38
|
40
|
35
|
47
|
55
|
67
|
59
|
50
|
40
|
61
|
66
|
67
|
81
|
70
|
62
|
53
|
50
|
44
|
29
|
40
|
54
|
69
|
85
|
|||
|
2025/01
|
110
|
144
|
155
|
128
|
103
|
91
|
87
|
53
|
63
|
72
|
54
|
57
|
101
|
94
|
85
|
77
|
80
|
80
|
98
|
106
|
124
|
185
|
222
|
128
|
42
|
65
|
68
|
86
|
176
|
114
|
63
|
|
2024/12
|
79
|
105
|
138
|
99
|
56
|
42
|
32
|
21
|
46
|
59
|
62
|
70
|
49
|
59
|
70
|
80
|
97
|
142
|
127
|
113
|
134
|
118
|
109
|
76
|
91
|
98
|
125
|
89
|
95
|
82
|
91
|
|
2024/11
|
40
|
49
|
46
|
44
|
40
|
51
|
64
|
65
|
68
|
39
|
45
|
49
|
38
|
43
|
50
|
33
|
20
|
17
|
19
|
25
|
36
|
52
|
63
|
56
|
24
|
30
|
40
|
62
|
67
|
68
|
|
|
2024/10
|
22
|
29
|
22
|
31
|
45
|
47
|
44
|
44
|
51
|
45
|
41
|
33
|
35
|
41
|
49
|
69
|
26
|
33
|
27
|
25
|
20
|
27
|
37
|
50
|
43
|
44
|
25
|
40
|
56
|
58
|
55
|
|
2024/09
|
31
|
39
|
40
|
41
|
25
|
35
|
34
|
27
|
30
|
22
|
22
|
29
|
42
|
40
|
36
|
32
|
36
|
43
|
47
|
43
|
15
|
22
|
38
|
45
|
61
|
65
|
67
|
79
|
54
|
17
|
|
|
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