Air Quality
Excellent
No health implications.
10
PM2.5
23
PM10
112
O3
0.3
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
50
Excellent
Fri
3 May
55
Good
Sat
4 May
54
Good
Sun
5 May
61
Good
Mon
6 May
76
Good
Tue
7 May
82
Good
Wed
8 May
88
Good
Air quality in the last 12 months (Echeng)
|
2024/02
|
37
|
26
|
46
|
91
|
92
|
80
|
101
|
103
|
129
|
258
|
149
|
65
|
45
|
45
|
63
|
28
|
32
|
32
|
72
|
15
|
28
|
47
|
51
|
62
|
86
|
85
|
103
|
120
|
75
|
||
|
2024/01
|
125
|
123
|
82
|
81
|
81
|
105
|
154
|
160
|
168
|
116
|
174
|
124
|
93
|
181
|
203
|
60
|
32
|
23
|
23
|
56
|
67
|
50
|
28
|
40
|
73
|
96
|
106
|
86
|
87
|
90
|
87
|
|
2023/12
|
49
|
62
|
81
|
93
|
112
|
106
|
87
|
73
|
49
|
74
|
21
|
54
|
46
|
21
|
31
|
38
|
40
|
33
|
38
|
63
|
85
|
57
|
60
|
82
|
83
|
85
|
153
|
225
|
270
|
245
|
130
|
|
2023/11
|
72
|
61
|
79
|
88
|
75
|
31
|
45
|
40
|
36
|
37
|
32
|
32
|
65
|
77
|
76
|
82
|
99
|
79
|
77
|
72
|
65
|
70
|
72
|
61
|
58
|
76
|
90
|
86
|
78
|
60
|
|
|
2023/10
|
37
|
47
|
18
|
32
|
41
|
34
|
22
|
23
|
39
|
41
|
47
|
55
|
58
|
70
|
72
|
74
|
76
|
75
|
70
|
26
|
40
|
61
|
65
|
68
|
93
|
132
|
131
|
163
|
163
|
130
|
105
|
|
2023/09
|
44
|
43
|
47
|
53
|
37
|
30
|
41
|
41
|
53
|
66
|
52
|
30
|
26
|
25
|
35
|
48
|
51
|
45
|
45
|
28
|
23
|
20
|
16
|
28
|
26
|
25
|
42
|
43
|
54
|
24
|
|
|
2023/08
|
33
|
37
|
41
|
51
|
53
|
53
|
38
|
37
|
40
|
42
|
58
|
52
|
43
|
50
|
51
|
62
|
64
|
48
|
59
|
50
|
46
|
33
|
41
|
53
|
59
|
66
|
27
|
23
|
35
|
34
|
51
|
|
2023/07
|
44
|
43
|
47
|
36
|
34
|
33
|
31
|
31
|
25
|
32
|
33
|
41
|
36
|
29
|
47
|
63
|
46
|
36
|
37
|
34
|
37
|
25
|
40
|
36
|
51
|
35
|
25
|
23
|
17
|
33
|
33
|
|
2023/06
|
45
|
63
|
46
|
58
|
27
|
39
|
54
|
51
|
56
|
65
|
70
|
81
|
51
|
64
|
74
|
57
|
38
|
45
|
24
|
37
|
51
|
45
|
31
|
36
|
30
|
46
|
37
|
33
|
35
|
31
|
|
|
2023/05
|
81
|
63
|
44
|
39
|
25
|
29
|
43
|
42
|
59
|
43
|
43
|
61
|
70
|
81
|
87
|
72
|
28
|
48
|
68
|
73
|
55
|
57
|
74
|
44
|
55
|
33
|
45
|
47
|
40
|
34
|
27
|
|
2023/04
|
69
|
60
|
24
|
41
|
26
|
37
|
66
|
67
|
67
|
65
|
82
|
144
|
83
|
55
|
128
|
85
|
71
|
52
|
61
|
73
|
49
|
32
|
19
|
21
|
39
|
43
|
45
|
51
|
148
|
111
|
|
|
2023/03
|
117
|
135
|
95
|
106
|
97
|
63
|
75
|
83
|
94
|
74
|
47
|
113
|
72
|
73
|
92
|
114
|
20
|
32
|
46
|
62
|
25
|
50
|
52
|
87
|
53
|
65
|
97
|
100
|
111
|
95
|
68
|
|
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