Air Quality
Excellent
No health implications.
22
PM2.5
40
PM10
30
O3
0.3
CO
5
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
37
Excellent
Mon
28 Jul
32
Excellent
Tue
29 Jul
38
Excellent
Wed
30 Jul
59
Good
Thu
31 Jul
55
Good
Fri
1 Aug
48
Excellent
Sat
2 Aug
39
Excellent
Tieling County Air quality rank
Air quality in the last 12 months (Tieling County)
|
2025/06
|
27
|
51
|
30
|
16
|
39
|
33
|
18
|
38
|
34
|
17
|
27
|
33
|
35
|
41
|
36
|
19
|
45
|
36
|
41
|
19
|
20
|
35
|
38
|
49
|
49
|
46
|
39
|
21
|
37
|
15
|
|
|
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
|
|
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