Air Quality
Excellent
No health implications.
9
PM2.5
13
PM10
59
O3
0.2
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
61
Good
Wed
30 Jul
95
Good
Thu
31 Jul
101
Light
Fri
1 Aug
97
Good
Sat
2 Aug
82
Good
Sun
3 Aug
94
Good
Mon
4 Aug
45
Excellent
Air quality in the last 12 months (Zichuan)
|
2025/06
|
46
|
47
|
48
|
40
|
50
|
46
|
65
|
58
|
57
|
33
|
38
|
38
|
37
|
47
|
31
|
21
|
28
|
36
|
19
|
36
|
31
|
31
|
29
|
38
|
48
|
50
|
42
|
33
|
29
|
17
|
|
|
2025/05
|
56
|
64
|
46
|
49
|
63
|
57
|
63
|
55
|
24
|
29
|
42
|
46
|
50
|
52
|
50
|
67
|
63
|
52
|
76
|
75
|
65
|
66
|
47
|
57
|
41
|
45
|
43
|
48
|
45
|
44
|
55
|
|
2025/04
|
62
|
33
|
46
|
70
|
46
|
56
|
86
|
101
|
69
|
71
|
68
|
127
|
53
|
53
|
51
|
75
|
122
|
69
|
50
|
60
|
48
|
84
|
67
|
61
|
67
|
76
|
58
|
60
|
57
|
72
|
|
|
2025/03
|
86
|
25
|
39
|
72
|
111
|
104
|
68
|
83
|
91
|
86
|
88
|
124
|
59
|
56
|
65
|
41
|
44
|
38
|
45
|
48
|
51
|
58
|
86
|
97
|
120
|
87
|
85
|
63
|
45
|
50
|
66
|
|
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
|
|
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