Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
25
O3
0.7
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Oct
38
Excellent
Tue
14 Oct
46
Excellent
Wed
15 Oct
47
Excellent
Thu
16 Oct
48
Excellent
Fri
17 Oct
45
Excellent
Sat
18 Oct
15
Excellent
Sun
19 Oct
28
Excellent
Air quality in the last 12 months (Yongchuan)
|
2025/08
|
27
|
29
|
29
|
34
|
44
|
35
|
29
|
33
|
31
|
38
|
20
|
25
|
29
|
36
|
35
|
21
|
22
|
26
|
21
|
24
|
37
|
40
|
20
|
21
|
22
|
25
|
24
|
23
|
28
|
34
|
29
|
|
2025/07
|
23
|
17
|
15
|
21
|
25
|
24
|
30
|
27
|
19
|
32
|
27
|
26
|
30
|
28
|
29
|
28
|
34
|
29
|
24
|
27
|
28
|
25
|
23
|
20
|
18
|
23
|
24
|
32
|
33
|
38
|
25
|
|
2025/06
|
33
|
26
|
34
|
35
|
37
|
52
|
42
|
35
|
23
|
35
|
44
|
41
|
34
|
37
|
35
|
35
|
33
|
27
|
18
|
33
|
36
|
32
|
24
|
25
|
19
|
29
|
26
|
28
|
25
|
20
|
|
|
2025/05
|
36
|
53
|
84
|
52
|
36
|
54
|
39
|
32
|
50
|
57
|
46
|
47
|
59
|
67
|
65
|
64
|
50
|
62
|
48
|
54
|
39
|
27
|
49
|
55
|
38
|
36
|
23
|
21
|
24
|
26
|
29
|
|
2025/04
|
37
|
45
|
50
|
57
|
79
|
73
|
49
|
67
|
73
|
87
|
55
|
160
|
189
|
131
|
106
|
79
|
78
|
58
|
49
|
33
|
43
|
45
|
51
|
41
|
43
|
52
|
34
|
37
|
33
|
26
|
|
|
2025/03
|
81
|
86
|
43
|
35
|
28
|
24
|
40
|
52
|
61
|
58
|
58
|
70
|
66
|
57
|
36
|
35
|
29
|
33
|
37
|
49
|
63
|
104
|
89
|
52
|
62
|
71
|
94
|
77
|
26
|
32
|
35
|
|
2025/02
|
70
|
53
|
41
|
37
|
60
|
30
|
25
|
37
|
49
|
59
|
89
|
70
|
42
|
40
|
48
|
57
|
65
|
49
|
57
|
48
|
48
|
37
|
42
|
43
|
72
|
60
|
65
|
64
|
|||
|
2025/01
|
125
|
158
|
149
|
167
|
141
|
128
|
88
|
45
|
50
|
39
|
48
|
53
|
105
|
98
|
89
|
100
|
131
|
119
|
95
|
147
|
170
|
212
|
246
|
95
|
48
|
48
|
51
|
76
|
201
|
198
|
133
|
|
2024/12
|
88
|
92
|
79
|
93
|
39
|
42
|
33
|
33
|
47
|
62
|
73
|
56
|
48
|
55
|
60
|
74
|
116
|
140
|
102
|
79
|
105
|
68
|
62
|
91
|
99
|
95
|
106
|
110
|
135
|
89
|
93
|
|
2024/11
|
46
|
43
|
62
|
59
|
48
|
54
|
58
|
54
|
41
|
45
|
53
|
41
|
50
|
51
|
53
|
32
|
21
|
21
|
20
|
23
|
37
|
35
|
32
|
24
|
21
|
29
|
39
|
43
|
57
|
68
|
|
|
2024/10
|
16
|
21
|
26
|
38
|
48
|
51
|
56
|
53
|
65
|
72
|
58
|
32
|
39
|
41
|
57
|
70
|
21
|
31
|
40
|
19
|
26
|
25
|
35
|
58
|
71
|
67
|
33
|
44
|
60
|
70
|
72
|
|
2024/09
|
37
|
40
|
24
|
29
|
39
|
41
|
45
|
38
|
22
|
29
|
35
|
31
|
36
|
67
|
41
|
27
|
36
|
39
|
30
|
50
|
31
|
50
|
42
|
59
|
104
|
91
|
45
|
45
|
37
|
15
|
|
|
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
Air quality source: CNEMC
*: primary pollution