Air Quality
Excellent
No health implications.
30
PM2.5
41
PM10
81
O3
0.7
CO
13
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
97
Good
Mon
12 May
103
Light
Tue
13 May
92
Good
Wed
14 May
96
Good
Thu
15 May
106
Light
Fri
16 May
107
Light
Sat
17 May
69
Good
Air quality in the last 12 months (Zichuan)
|
2025/02
|
84
|
127
|
50
|
34
|
34
|
60
|
38
|
25
|
44
|
68
|
70
|
70
|
58
|
72
|
82
|
78
|
53
|
62
|
69
|
70
|
72
|
46
|
54
|
45
|
63
|
87
|
103
|
96
|
|||
|
2025/01
|
126
|
94
|
75
|
125
|
152
|
46
|
43
|
41
|
48
|
51
|
67
|
99
|
81
|
90
|
35
|
61
|
70
|
91
|
115
|
82
|
117
|
121
|
156
|
190
|
73
|
73
|
27
|
70
|
116
|
109
|
114
|
|
2024/12
|
84
|
71
|
56
|
91
|
101
|
96
|
45
|
51
|
78
|
128
|
89
|
67
|
63
|
61
|
63
|
76
|
86
|
50
|
60
|
83
|
39
|
62
|
75
|
120
|
152
|
70
|
61
|
58
|
70
|
93
|
75
|
|
2024/11
|
103
|
75
|
72
|
44
|
53
|
55
|
52
|
48
|
53
|
67
|
115
|
188
|
117
|
66
|
100
|
87
|
52
|
42
|
42
|
64
|
92
|
66
|
47
|
52
|
41
|
27
|
33
|
41
|
50
|
56
|
|
|
2024/10
|
29
|
27
|
39
|
53
|
59
|
60
|
55
|
54
|
63
|
91
|
66
|
69
|
70
|
70
|
85
|
92
|
57
|
21
|
33
|
43
|
69
|
61
|
40
|
64
|
94
|
100
|
107
|
52
|
67
|
116
|
140
|
|
2024/09
|
38
|
22
|
42
|
46
|
38
|
27
|
40
|
55
|
39
|
44
|
26
|
43
|
72
|
42
|
31
|
44
|
54
|
50
|
42
|
30
|
18
|
38
|
42
|
50
|
65
|
75
|
59
|
43
|
42
|
35
|
|
|
2024/08
|
22
|
23
|
28
|
24
|
16
|
24
|
31
|
35
|
34
|
46
|
70
|
31
|
37
|
40
|
51
|
46
|
44
|
39
|
30
|
33
|
52
|
50
|
50
|
66
|
59
|
33
|
19
|
43
|
47
|
52
|
63
|
|
2024/07
|
48
|
50
|
35
|
27
|
23
|
16
|
24
|
42
|
60
|
71
|
65
|
63
|
67
|
52
|
52
|
21
|
51
|
67
|
26
|
19
|
26
|
27
|
39
|
37
|
32
|
17
|
19
|
12
|
25
|
19
|
22
|
|
2024/06
|
36
|
61
|
63
|
45
|
44
|
53
|
45
|
55
|
46
|
59
|
57
|
55
|
52
|
74
|
57
|
35
|
36
|
42
|
39
|
41
|
57
|
73
|
93
|
88
|
67
|
56
|
23
|
43
|
52
|
57
|
|
|
2024/05
|
61
|
59
|
66
|
41
|
41
|
62
|
70
|
62
|
61
|
63
|
187
|
74
|
62
|
90
|
55
|
54
|
66
|
79
|
60
|
50
|
68
|
55
|
56
|
79
|
69
|
56
|
49
|
44
|
47
|
42
|
52
|
|
2024/04
|
81
|
76
|
38
|
57
|
63
|
57
|
62
|
85
|
82
|
92
|
60
|
57
|
51
|
20
|
68
|
94
|
90
|
89
|
99
|
90
|
81
|
86
|
51
|
64
|
81
|
64
|
64
|
75
|
63
|
51
|
|
|
2024/03
|
43
|
91
|
103
|
120
|
65
|
50
|
94
|
45
|
62
|
88
|
117
|
103
|
80
|
81
|
62
|
73
|
96
|
81
|
92
|
50
|
85
|
72
|
61
|
58
|
44
|
60
|
43
|
131
|
122
|
87
|
66
|
|
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