Air Quality
Excellent
No health implications.
3
PM2.5
10
PM10
43
O3
0.8
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jul
58
Good
Wed
2 Jul
67
Good
Thu
3 Jul
55
Good
Fri
4 Jul
55
Good
Sat
5 Jul
58
Good
Sun
6 Jul
33
Excellent
Mon
7 Jul
44
Excellent
Air quality in the last 12 months (Tieling County)
|
2025/05
|
21
|
41
|
34
|
38
|
39
|
39
|
54
|
54
|
50
|
44
|
59
|
63
|
61
|
53
|
58
|
44
|
30
|
36
|
43
|
45
|
45
|
61
|
37
|
52
|
36
|
42
|
56
|
53
|
47
|
55
|
57
|
|
2025/04
|
92
|
67
|
64
|
59
|
43
|
65
|
68
|
73
|
80
|
78
|
63
|
35
|
25
|
32
|
50
|
59
|
73
|
36
|
45
|
56
|
70
|
19
|
46
|
72
|
48
|
66
|
44
|
51
|
81
|
64
|
|
|
2025/03
|
91
|
35
|
39
|
56
|
91
|
83
|
67
|
93
|
121
|
101
|
73
|
98
|
42
|
50
|
45
|
65
|
82
|
67
|
80
|
94
|
79
|
155
|
241
|
91
|
121
|
193
|
59
|
25
|
28
|
30
|
60
|
|
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
|
|
|
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