Air Quality
Excellent
No health implications.
20
PM2.5
37
PM10
139
O3
0.6
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
107
Light
Fri
27 Jun
119
Light
Sat
28 Jun
115
Light
Sun
29 Jun
124
Light
Mon
30 Jun
102
Light
Tue
1 Jul
121
Light
Wed
2 Jul
30
Excellent
Air quality in the last 12 months (Changzi)
|
2025/05
|
52
|
72
|
52
|
50
|
154
|
85
|
98
|
88
|
57
|
46
|
46
|
48
|
57
|
52
|
50
|
52
|
88
|
62
|
60
|
60
|
70
|
68
|
64
|
38
|
46
|
50
|
57
|
54
|
58
|
55
|
48
|
|
2025/04
|
53
|
56
|
60
|
70
|
50
|
65
|
84
|
79
|
60
|
49
|
74
|
180
|
68
|
37
|
45
|
102
|
109
|
96
|
72
|
61
|
67
|
72
|
83
|
52
|
62
|
70
|
68
|
52
|
47
|
88
|
|
|
2025/03
|
115
|
73
|
42
|
61
|
77
|
91
|
84
|
76
|
75
|
89
|
76
|
106
|
101
|
82
|
60
|
34
|
35
|
39
|
44
|
40
|
45
|
58
|
95
|
201
|
152
|
117
|
113
|
123
|
38
|
43
|
51
|
|
2025/02
|
180
|
124
|
33
|
30
|
26
|
60
|
47
|
31
|
44
|
64
|
82
|
69
|
51
|
52
|
59
|
58
|
63
|
72
|
61
|
97
|
127
|
147
|
59
|
53
|
60
|
56
|
76
|
71
|
|||
|
2025/01
|
64
|
92
|
97
|
85
|
64
|
44
|
36
|
33
|
46
|
56
|
52
|
46
|
75
|
69
|
40
|
40
|
54
|
62
|
61
|
65
|
80
|
127
|
136
|
115
|
92
|
53
|
30
|
41
|
112
|
111
|
201
|
|
2024/12
|
50
|
60
|
60
|
57
|
34
|
36
|
39
|
47
|
69
|
84
|
136
|
131
|
56
|
48
|
44
|
54
|
61
|
61
|
71
|
69
|
42
|
54
|
62
|
91
|
103
|
73
|
53
|
33
|
50
|
66
|
60
|
|
2024/11
|
48
|
51
|
56
|
45
|
59
|
65
|
78
|
82
|
57
|
87
|
196
|
182
|
52
|
52
|
70
|
57
|
61
|
54
|
40
|
57
|
73
|
76
|
89
|
87
|
39
|
38
|
60
|
34
|
32
|
49
|
|
|
2024/10
|
52
|
45
|
47
|
54
|
63
|
68
|
89
|
101
|
97
|
49
|
66
|
78
|
101
|
100
|
112
|
120
|
70
|
27
|
34
|
32
|
45
|
36
|
44
|
54
|
76
|
66
|
53
|
103
|
84
|
74
|
63
|
|
2024/09
|
52
|
38
|
47
|
48
|
32
|
39
|
42
|
51
|
56
|
29
|
31
|
34
|
50
|
64
|
48
|
51
|
55
|
55
|
44
|
39
|
30
|
51
|
54
|
59
|
66
|
94
|
85
|
69
|
49
|
26
|
|
|
2024/08
|
47
|
50
|
40
|
37
|
43
|
44
|
42
|
39
|
39
|
61
|
32
|
33
|
45
|
47
|
46
|
52
|
45
|
44
|
57
|
40
|
40
|
46
|
50
|
52
|
51
|
35
|
28
|
35
|
40
|
51
|
47
|
|
2024/07
|
37
|
38
|
54
|
45
|
45
|
44
|
56
|
51
|
56
|
70
|
63
|
66
|
72
|
81
|
83
|
57
|
50
|
37
|
40
|
37
|
41
|
49
|
46
|
46
|
36
|
49
|
47
|
48
|
35
|
27
|
39
|
|
2024/06
|
50
|
46
|
46
|
60
|
60
|
57
|
51
|
39
|
48
|
50
|
52
|
48
|
57
|
53
|
60
|
55
|
50
|
49
|
51
|
52
|
51
|
59
|
63
|
100
|
80
|
74
|
52
|
56
|
52
|
51
|
|
|
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