Air Quality
Excellent
No health implications.
14
PM2.5
43
PM10
33
O3
0.6
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
38
Excellent
Wed
19 Nov
45
Excellent
Thu
20 Nov
53
Good
Fri
21 Nov
56
Good
Sat
22 Nov
69
Good
Sun
23 Nov
74
Good
Mon
24 Nov
50
Excellent
Air quality in the last 12 months (Yongchuan)
|
2025/10
|
39
|
23
|
32
|
23
|
22
|
27
|
43
|
50
|
43
|
68
|
77
|
41
|
15
|
22
|
25
|
32
|
27
|
19
|
21
|
16
|
18
|
20
|
27
|
33
|
31
|
30
|
32
|
34
|
42
|
33
|
43
|
|
2025/09
|
43
|
57
|
54
|
60
|
55
|
24
|
31
|
31
|
42
|
53
|
52
|
21
|
16
|
26
|
35
|
42
|
39
|
26
|
19
|
24
|
22
|
19
|
17
|
18
|
42
|
36
|
29
|
32
|
13
|
21
|
|
|
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
|
|
|
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