Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
99
O3
0.3
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Apr
57
Good
Wed
8 Apr
87
Good
Thu
9 Apr
77
Good
Fri
10 Apr
63
Good
Sat
11 Apr
84
Good
Sun
12 Apr
79
Good
Mon
13 Apr
44
Excellent
Tieling County Air quality rank
Air quality in the last 12 months (Tieling County)
|
2026/02
|
93
|
66
|
61
|
124
|
125
|
28
|
45
|
56
|
59
|
91
|
87
|
122
|
143
|
93
|
46
|
43
|
136
|
40
|
49
|
68
|
76
|
157
|
41
|
63
|
93
|
57
|
90
|
68
|
|||
|
2026/01
|
84
|
89
|
101
|
149
|
97
|
78
|
44
|
60
|
89
|
44
|
34
|
50
|
32
|
40
|
57
|
71
|
66
|
50
|
47
|
62
|
62
|
49
|
66
|
52
|
80
|
130
|
77
|
64
|
77
|
84
|
89
|
|
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
|
|
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