Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
52
*
PM2.5
58
PM10
70
O3
0.5
CO
8
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 Feb
86
Good
Thu
5 Feb
53
Good
Fri
6 Feb
40
Excellent
Sat
7 Feb
47
Excellent
Sun
8 Feb
58
Good
Mon
9 Feb
55
Good
Tue
10 Feb
23
Excellent
Air quality in the last 12 months (Tieling County)
|
2025/12
|
61
|
27
|
27
|
50
|
58
|
87
|
111
|
35
|
72
|
138
|
44
|
59
|
100
|
132
|
70
|
93
|
86
|
61
|
72
|
31
|
38
|
45
|
45
|
79
|
54
|
63
|
102
|
111
|
38
|
48
|
32
|
|
2025/11
|
56
|
16
|
40
|
66
|
101
|
62
|
109
|
191
|
45
|
37
|
52
|
95
|
53
|
99
|
96
|
63
|
40
|
63
|
75
|
39
|
67
|
79
|
149
|
218
|
63
|
73
|
35
|
40
|
60
|
44
|
|
|
2025/10
|
46
|
52
|
47
|
48
|
29
|
35
|
52
|
29
|
36
|
43
|
73
|
46
|
62
|
79
|
59
|
51
|
86
|
24
|
33
|
35
|
42
|
43
|
52
|
68
|
100
|
39
|
41
|
86
|
79
|
35
|
48
|
|
2025/09
|
39
|
40
|
44
|
35
|
33
|
37
|
31
|
24
|
35
|
39
|
46
|
45
|
43
|
39
|
20
|
30
|
20
|
19
|
23
|
32
|
34
|
41
|
31
|
27
|
45
|
39
|
37
|
36
|
46
|
45
|
|
|
2025/08
|
35
|
33
|
18
|
14
|
27
|
22
|
21
|
26
|
22
|
28
|
23
|
36
|
30
|
34
|
41
|
24
|
17
|
32
|
38
|
23
|
20
|
16
|
43
|
16
|
15
|
20
|
24
|
13
|
26
|
45
|
20
|
|
2025/07
|
21
|
28
|
16
|
21
|
22
|
16
|
25
|
37
|
44
|
52
|
46
|
44
|
18
|
16
|
18
|
29
|
19
|
25
|
41
|
20
|
27
|
31
|
17
|
20
|
31
|
34
|
34
|
29
|
22
|
13
|
27
|
|
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
|
|
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