Air Quality
Excellent
No health implications.
3
PM2.5
19
PM10
30
O3
0.4
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Aug
87
Good
Mon
17 Aug
85
Good
Tue
18 Aug
80
Good
Wed
19 Aug
90
Good
Thu
20 Aug
85
Good
Fri
21 Aug
33
Excellent
Sat
22 Aug
36
Excellent
Air quality in the last 12 months (Echeng)
|
2026/07
|
28
|
22
|
28
|
21
|
18
|
25
|
15
|
26
|
27
|
33
|
38
|
34
|
44
|
45
|
27
|
32
|
28
|
23
|
32
|
39
|
25
|
21
|
28
|
33
|
37
|
44
|
24
|
19
|
20
|
22
|
27
|
|
2026/06
|
62
|
70
|
39
|
52
|
64
|
56
|
40
|
27
|
33
|
66
|
78
|
52
|
28
|
38
|
48
|
42
|
53
|
47
|
18
|
28
|
32
|
20
|
19
|
21
|
24
|
38
|
60
|
74
|
53
|
24
|
|
|
2026/05
|
40
|
27
|
40
|
47
|
40
|
44
|
42
|
47
|
48
|
52
|
59
|
89
|
69
|
38
|
45
|
38
|
40
|
36
|
20
|
34
|
33
|
45
|
40
|
42
|
39
|
24
|
26
|
49
|
51
|
54
|
69
|
|
2026/04
|
46
|
48
|
32
|
57
|
58
|
65
|
73
|
41
|
27
|
35
|
46
|
44
|
43
|
23
|
37
|
43
|
59
|
69
|
67
|
53
|
25
|
18
|
20
|
32
|
47
|
48
|
56
|
32
|
29
|
44
|
|
|
2026/03
|
22
|
25
|
58
|
71
|
63
|
55
|
66
|
70
|
69
|
66
|
64
|
54
|
55
|
63
|
103
|
24
|
14
|
28
|
53
|
65
|
60
|
68
|
73
|
73
|
80
|
57
|
50
|
69
|
67
|
34
|
38
|
|
2026/02
|
54
|
74
|
73
|
79
|
78
|
74
|
36
|
59
|
53
|
73
|
102
|
103
|
94
|
109
|
86
|
36
|
96
|
81
|
96
|
71
|
40
|
65
|
94
|
30
|
31
|
19
|
31
|
32
|
|||
|
2026/01
|
22
|
40
|
65
|
55
|
64
|
57
|
58
|
58
|
66
|
74
|
68
|
62
|
88
|
77
|
108
|
122
|
169
|
147
|
17
|
43
|
61
|
91
|
93
|
97
|
73
|
122
|
73
|
69
|
48
|
25
|
39
|
|
2025/12
|
86
|
94
|
54
|
80
|
95
|
96
|
99
|
131
|
110
|
129
|
145
|
119
|
34
|
49
|
55
|
61
|
168
|
194
|
131
|
174
|
59
|
38
|
54
|
92
|
80
|
58
|
66
|
79
|
87
|
128
|
102
|
|
2025/11
|
64
|
80
|
76
|
73
|
92
|
83
|
31
|
22
|
44
|
46
|
63
|
39
|
41
|
78
|
106
|
95
|
59
|
27
|
38
|
54
|
67
|
96
|
101
|
110
|
89
|
75
|
101
|
97
|
71
|
70
|
|
|
2025/10
|
43
|
42
|
18
|
37
|
51
|
47
|
36
|
52
|
61
|
56
|
30
|
42
|
15
|
29
|
55
|
30
|
33
|
12
|
12
|
20
|
26
|
26
|
32
|
33
|
52
|
65
|
75
|
80
|
90
|
92
|
43
|
|
2025/09
|
27
|
40
|
42
|
41
|
51
|
32
|
42
|
43
|
25
|
20
|
23
|
26
|
29
|
30
|
35
|
44
|
40
|
16
|
18
|
12
|
20
|
34
|
16
|
16
|
12
|
22
|
37
|
42
|
24
|
28
|
|
|
2025/08
|
24
|
18
|
38
|
37
|
34
|
25
|
15
|
24
|
25
|
33
|
11
|
17
|
26
|
19
|
20
|
26
|
29
|
30
|
31
|
20
|
20
|
19
|
17
|
30
|
38
|
30
|
26
|
27
|
38
|
25
|
25
|
|
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