Air Quality
Excellent
No health implications.
12
PM2.5
15
PM10
32
O3
0.5
CO
9
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
57
Good
Fri
1 May
60
Good
Sat
2 May
50
Excellent
Sun
3 May
63
Good
Mon
4 May
66
Good
Tue
5 May
69
Good
Wed
6 May
42
Excellent
Air quality in the last 12 months (Yongchuan)
|
2026/03
|
39
|
32
|
34
|
34
|
54
|
48
|
42
|
42
|
32
|
29
|
45
|
43
|
65
|
47
|
35
|
37
|
43
|
30
|
38
|
44
|
39
|
48
|
50
|
38
|
41
|
55
|
46
|
45
|
42
|
38
|
29
|
|
2026/02
|
68
|
95
|
95
|
85
|
107
|
107
|
69
|
44
|
47
|
66
|
59
|
75
|
81
|
78
|
96
|
55
|
105
|
92
|
102
|
72
|
84
|
122
|
105
|
46
|
46
|
46
|
52
|
24
|
|||
|
2026/01
|
29
|
24
|
42
|
51
|
51
|
76
|
85
|
98
|
118
|
172
|
161
|
171
|
146
|
203
|
182
|
227
|
188
|
222
|
111
|
23
|
26
|
42
|
75
|
69
|
79
|
75
|
74
|
103
|
124
|
50
|
39
|
|
2025/12
|
136
|
176
|
84
|
59
|
55
|
75
|
76
|
81
|
139
|
109
|
95
|
112
|
42
|
59
|
83
|
110
|
112
|
110
|
147
|
69
|
45
|
36
|
42
|
50
|
55
|
41
|
60
|
72
|
83
|
86
|
47
|
|
2025/11
|
33
|
35
|
39
|
29
|
36
|
31
|
28
|
28
|
37
|
32
|
27
|
39
|
45
|
39
|
32
|
47
|
29
|
27
|
33
|
59
|
66
|
82
|
55
|
59
|
66
|
70
|
93
|
94
|
114
|
169
|
|
|
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
|
|
|
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