Air Quality
Excellent
No health implications.
7
PM2.5
9
PM10
65
O3
0.3
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
47
Excellent
Mon
14 Apr
47
Excellent
Tue
15 Apr
89
Good
Wed
16 Apr
77
Good
Thu
17 Apr
78
Good
Fri
18 Apr
49
Excellent
Sat
19 Apr
46
Excellent
Air quality in the last 12 months (Tieling County)
|
2025/02
|
144
|
193
|
96
|
66
|
55
|
73
|
55
|
53
|
69
|
59
|
64
|
47
|
74
|
94
|
109
|
51
|
26
|
22
|
37
|
47
|
45
|
50
|
49
|
57
|
85
|
62
|
99
|
142
|
|||
|
2025/01
|
47
|
49
|
53
|
64
|
106
|
113
|
45
|
27
|
47
|
54
|
71
|
87
|
88
|
71
|
39
|
52
|
68
|
71
|
91
|
84
|
82
|
112
|
130
|
108
|
93
|
136
|
132
|
46
|
114
|
94
|
109
|
|
2024/12
|
34
|
24
|
40
|
32
|
35
|
27
|
45
|
52
|
62
|
60
|
37
|
70
|
66
|
50
|
39
|
37
|
38
|
48
|
48
|
65
|
55
|
56
|
61
|
53
|
74
|
43
|
43
|
49
|
61
|
64
|
42
|
|
2024/11
|
65
|
88
|
96
|
29
|
34
|
41
|
35
|
55
|
53
|
43
|
38
|
48
|
54
|
46
|
44
|
31
|
19
|
19
|
39
|
82
|
75
|
44
|
65
|
62
|
51
|
21
|
38
|
37
|
49
|
52
|
|
|
2024/10
|
17
|
31
|
32
|
44
|
50
|
53
|
28
|
40
|
45
|
25
|
46
|
39
|
68
|
52
|
16
|
42
|
70
|
44
|
20
|
40
|
33
|
28
|
36
|
60
|
101
|
78
|
30
|
43
|
112
|
89
|
105
|
|
2024/09
|
22
|
12
|
33
|
40
|
20
|
20
|
26
|
34
|
40
|
19
|
27
|
23
|
33
|
15
|
22
|
38
|
41
|
30
|
36
|
12
|
16
|
24
|
30
|
39
|
31
|
28
|
33
|
39
|
41
|
14
|
|
|
2024/08
|
21
|
16
|
34
|
29
|
18
|
25
|
41
|
38
|
40
|
24
|
24
|
21
|
19
|
23
|
27
|
25
|
30
|
35
|
27
|
22
|
21
|
16
|
20
|
43
|
17
|
21
|
20
|
28
|
35
|
40
|
26
|
|
2024/07
|
59
|
52
|
15
|
46
|
48
|
35
|
29
|
44
|
44
|
43
|
63
|
67
|
61
|
58
|
61
|
45
|
18
|
49
|
48
|
21
|
42
|
27
|
38
|
24
|
23
|
9
|
25
|
21
|
34
|
48
|
24
|
|
2024/06
|
20
|
23
|
24
|
44
|
51
|
48
|
40
|
30
|
27
|
44
|
51
|
46
|
39
|
28
|
17
|
38
|
45
|
62
|
52
|
42
|
39
|
33
|
52
|
11
|
25
|
33
|
47
|
46
|
39
|
29
|
|
|
2024/05
|
55
|
66
|
62
|
61
|
37
|
48
|
46
|
53
|
63
|
83
|
90
|
41
|
57
|
63
|
32
|
24
|
46
|
54
|
28
|
19
|
41
|
44
|
23
|
28
|
35
|
17
|
18
|
31
|
56
|
50
|
18
|
|
2024/04
|
58
|
77
|
46
|
76
|
103
|
81
|
140
|
140
|
175
|
109
|
64
|
62
|
49
|
68
|
226
|
134
|
78
|
56
|
63
|
174
|
98
|
62
|
77
|
54
|
61
|
87
|
69
|
21
|
37
|
58
|
|
|
2024/03
|
35
|
44
|
43
|
51
|
37
|
38
|
48
|
33
|
53
|
96
|
75
|
53
|
73
|
116
|
102
|
201
|
90
|
89
|
106
|
69
|
68
|
38
|
110
|
32
|
64
|
85
|
69
|
135
|
90
|
72
|
56
|
|
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