Air Quality
Excellent
No health implications.
30
PM2.5
48
PM10
87
O3
0.3
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
50
Excellent
Tue
7 May
51
Good
Wed
8 May
57
Good
Thu
9 May
66
Good
Fri
10 May
78
Good
Sat
11 May
81
Good
Air quality in the last 12 months (Changling)
|
2024/02
|
84
|
100
|
121
|
89
|
101
|
104
|
89
|
109
|
153
|
194
|
57
|
73
|
84
|
47
|
47
|
83
|
81
|
49
|
38
|
38
|
44
|
54
|
71
|
93
|
132
|
54
|
64
|
77
|
68
|
||
|
2024/01
|
73
|
115
|
88
|
68
|
76
|
66
|
29
|
48
|
96
|
47
|
70
|
74
|
67
|
47
|
54
|
66
|
91
|
61
|
71
|
46
|
34
|
42
|
57
|
55
|
60
|
65
|
86
|
85
|
69
|
124
|
76
|
|
2023/12
|
38
|
49
|
44
|
57
|
84
|
49
|
39
|
71
|
33
|
43
|
41
|
65
|
91
|
67
|
40
|
31
|
34
|
71
|
71
|
61
|
64
|
55
|
66
|
76
|
71
|
75
|
63
|
96
|
85
|
133
|
45
|
|
2023/11
|
73
|
78
|
36
|
58
|
177
|
75
|
37
|
72
|
59
|
33
|
51
|
55
|
43
|
66
|
87
|
60
|
43
|
44
|
36
|
40
|
66
|
75
|
28
|
29
|
37
|
80
|
98
|
36
|
33
|
31
|
|
|
2023/10
|
38
|
36
|
44
|
31
|
32
|
36
|
41
|
50
|
47
|
46
|
64
|
57
|
68
|
54
|
50
|
44
|
53
|
36
|
29
|
24
|
35
|
40
|
66
|
77
|
97
|
44
|
64
|
77
|
127
|
61
|
81
|
|
2023/09
|
31
|
37
|
41
|
29
|
24
|
47
|
47
|
47
|
30
|
43
|
45
|
30
|
37
|
39
|
47
|
41
|
52
|
35
|
20
|
34
|
35
|
33
|
38
|
40
|
32
|
36
|
44
|
32
|
38
|
29
|
|
|
2023/08
|
35
|
30
|
31
|
26
|
18
|
16
|
17
|
20
|
21
|
22
|
19
|
17
|
19
|
27
|
37
|
31
|
32
|
33
|
28
|
38
|
37
|
24
|
29
|
28
|
18
|
22
|
37
|
28
|
17
|
21
|
24
|
|
2023/07
|
36
|
39
|
39
|
36
|
38
|
45
|
36
|
31
|
30
|
27
|
67
|
60
|
37
|
25
|
21
|
15
|
18
|
29
|
48
|
47
|
34
|
31
|
23
|
24
|
33
|
41
|
37
|
28
|
29
|
22
|
25
|
|
2023/06
|
43
|
28
|
28
|
28
|
32
|
32
|
39
|
29
|
30
|
29
|
30
|
32
|
48
|
57
|
68
|
63
|
59
|
55
|
66
|
35
|
35
|
43
|
40
|
71
|
57
|
43
|
31
|
59
|
36
|
37
|
|
|
2023/05
|
40
|
195
|
80
|
48
|
45
|
38
|
46
|
52
|
39
|
39
|
54
|
59
|
40
|
54
|
52
|
62
|
45
|
40
|
55
|
385
|
78
|
43
|
49
|
86
|
156
|
49
|
54
|
42
|
30
|
32
|
40
|
|
2023/04
|
99
|
87
|
67
|
102
|
325
|
118
|
79
|
47
|
101
|
187
|
421
|
165
|
128
|
69
|
86
|
83
|
101
|
87
|
84
|
214
|
98
|
46
|
45
|
52
|
53
|
36
|
61
|
61
|
42
|
34
|
|
|
2023/03
|
60
|
67
|
69
|
63
|
118
|
85
|
100
|
53
|
64
|
164
|
91
|
42
|
59
|
79
|
69
|
41
|
52
|
57
|
76
|
99
|
113
|
361
|
117
|
52
|
57
|
58
|
69
|
67
|
81
|
73
|
112
|
|
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