Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
24
O3
0.9
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Oct
55
Good
Mon
19 Oct
57
Good
Tue
20 Oct
53
Good
Wed
21 Oct
49
Excellent
Thu
22 Oct
48
Excellent
Fri
23 Oct
45
Excellent
Sat
24 Oct
18
Excellent
Air quality in the last 12 months (Chongchuan)
|
2026/08
|
62
|
55
|
52
|
32
|
31
|
25
|
27
|
35
|
17
|
16
|
16
|
23
|
20
|
20
|
17
|
19
|
22
|
31
|
18
|
14
|
17
|
16
|
17
|
16
|
18
|
26
|
23
|
22
|
19
|
16
|
22
|
|
2026/07
|
33
|
46
|
34
|
23
|
14
|
19
|
39
|
28
|
27
|
25
|
31
|
27
|
24
|
31
|
47
|
39
|
38
|
42
|
24
|
29
|
35
|
30
|
35
|
63
|
37
|
29
|
28
|
22
|
41
|
51
|
59
|
|
2026/06
|
63
|
70
|
77
|
65
|
35
|
34
|
34
|
31
|
36
|
46
|
75
|
77
|
47
|
33
|
27
|
29
|
25
|
35
|
20
|
26
|
27
|
29
|
27
|
24
|
25
|
39
|
38
|
76
|
30
|
25
|
|
|
2026/05
|
64
|
43
|
46
|
45
|
58
|
49
|
48
|
32
|
39
|
42
|
52
|
41
|
51
|
27
|
32
|
39
|
34
|
36
|
36
|
41
|
37
|
42
|
71
|
24
|
26
|
33
|
34
|
51
|
47
|
46
|
45
|
|
2026/04
|
96
|
102
|
43
|
58
|
87
|
72
|
41
|
42
|
33
|
59
|
56
|
30
|
30
|
29
|
41
|
41
|
48
|
35
|
35
|
51
|
82
|
25
|
34
|
45
|
52
|
63
|
80
|
46
|
28
|
50
|
|
|
2026/03
|
26
|
27
|
45
|
27
|
43
|
52
|
41
|
32
|
41
|
34
|
44
|
44
|
60
|
50
|
41
|
59
|
49
|
44
|
49
|
53
|
44
|
54
|
55
|
52
|
80
|
55
|
53
|
55
|
66
|
42
|
56
|
|
2026/02
|
67
|
92
|
58
|
72
|
123
|
69
|
35
|
39
|
40
|
53
|
95
|
112
|
104
|
103
|
119
|
45
|
62
|
108
|
93
|
52
|
50
|
127
|
62
|
24
|
45
|
24
|
21
|
43
|
|||
|
2026/01
|
20
|
30
|
58
|
82
|
111
|
99
|
65
|
93
|
80
|
88
|
55
|
57
|
97
|
91
|
136
|
192
|
86
|
40
|
24
|
23
|
38
|
50
|
80
|
91
|
58
|
17
|
55
|
44
|
41
|
32
|
22
|
|
2025/12
|
97
|
47
|
36
|
45
|
57
|
70
|
97
|
80
|
56
|
41
|
88
|
26
|
32
|
67
|
66
|
77
|
103
|
55
|
54
|
108
|
34
|
28
|
37
|
61
|
43
|
21
|
35
|
74
|
105
|
73
|
31
|
|
2025/11
|
151
|
93
|
27
|
34
|
39
|
46
|
44
|
28
|
29
|
51
|
32
|
42
|
42
|
82
|
53
|
46
|
39
|
41
|
57
|
68
|
95
|
138
|
143
|
109
|
92
|
62
|
183
|
122
|
100
|
101
|
|
|
2025/10
|
40
|
30
|
27
|
29
|
32
|
41
|
26
|
18
|
23
|
28
|
42
|
47
|
50
|
15
|
31
|
18
|
20
|
16
|
25
|
27
|
21
|
23
|
27
|
30
|
35
|
35
|
49
|
28
|
26
|
31
|
27
|
|
2025/09
|
31
|
15
|
27
|
38
|
34
|
30
|
41
|
30
|
14
|
23
|
26
|
32
|
29
|
36
|
29
|
42
|
31
|
19
|
24
|
21
|
24
|
23
|
24
|
13
|
15
|
24
|
25
|
33
|
20
|
28
|
|
|
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