Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
66
*
PM2.5
111
PM10
138
O3
0.6
CO
12
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Apr
84
Good
Fri
17 Apr
88
Good
Sat
18 Apr
85
Good
Sun
19 Apr
90
Good
Mon
20 Apr
61
Good
Tue
21 Apr
17
Excellent
Wed
22 Apr
33
Excellent
Real-time AQI (Monitoring Station in Tieling)
新华街20号
10666 *
PM2.5
111
PM10
138
O3
0.6
CO
12
SO2
14
NO2
Air quality in the last 12 months (Tieling)
|
2026/03
|
150
|
195
|
242
|
120
|
43
|
31
|
50
|
100
|
63
|
71
|
85
|
92
|
80
|
113
|
227
|
137
|
187
|
47
|
55
|
60
|
100
|
139
|
132
|
84
|
89
|
136
|
74
|
95
|
56
|
34
|
56
|
|
2026/02
|
89
|
64
|
60
|
127
|
123
|
37
|
53
|
60
|
61
|
90
|
85
|
117
|
135
|
90
|
47
|
50
|
130
|
39
|
50
|
65
|
74
|
151
|
46
|
59
|
91
|
60
|
88
|
68
|
|||
|
2026/01
|
72
|
91
|
102
|
147
|
90
|
73
|
49
|
62
|
88
|
49
|
33
|
45
|
31
|
44
|
58
|
78
|
59
|
48
|
49
|
67
|
66
|
51
|
65
|
53
|
80
|
118
|
70
|
65
|
87
|
82
|
85
|
|
2025/12
|
69
|
26
|
31
|
52
|
56
|
90
|
107
|
33
|
85
|
138
|
50
|
65
|
98
|
142
|
75
|
91
|
92
|
60
|
68
|
33
|
42
|
45
|
43
|
93
|
57
|
69
|
106
|
108
|
39
|
45
|
35
|
|
2025/11
|
60
|
20
|
40
|
71
|
105
|
70
|
99
|
190
|
49
|
36
|
59
|
96
|
62
|
98
|
102
|
61
|
42
|
60
|
78
|
39
|
72
|
77
|
148
|
216
|
75
|
85
|
39
|
43
|
61
|
44
|
|
|
2025/10
|
49
|
55
|
51
|
49
|
29
|
39
|
52
|
35
|
39
|
53
|
85
|
54
|
67
|
81
|
61
|
60
|
88
|
29
|
36
|
41
|
54
|
53
|
52
|
69
|
100
|
41
|
43
|
103
|
89
|
37
|
43
|
|
2025/09
|
44
|
44
|
45
|
39
|
34
|
28
|
32
|
28
|
37
|
36
|
44
|
45
|
44
|
39
|
29
|
31
|
26
|
20
|
26
|
27
|
34
|
35
|
34
|
25
|
46
|
41
|
38
|
39
|
51
|
44
|
|
|
2025/08
|
42
|
36
|
21
|
17
|
28
|
27
|
31
|
24
|
25
|
33
|
24
|
41
|
30
|
39
|
43
|
22
|
20
|
34
|
39
|
27
|
22
|
18
|
49
|
15
|
13
|
22
|
26
|
14
|
27
|
53
|
27
|
|
2025/07
|
21
|
27
|
16
|
21
|
24
|
20
|
26
|
38
|
45
|
50
|
44
|
43
|
20
|
21
|
20
|
27
|
20
|
31
|
40
|
20
|
28
|
28
|
17
|
20
|
32
|
36
|
37
|
27
|
26
|
16
|
28
|
|
2025/06
|
31
|
47
|
29
|
18
|
40
|
38
|
19
|
41
|
36
|
18
|
32
|
34
|
34
|
43
|
35
|
21
|
43
|
36
|
39
|
21
|
20
|
36
|
41
|
51
|
49
|
49
|
45
|
24
|
37
|
14
|
|
|
2025/05
|
22
|
43
|
34
|
39
|
39
|
37
|
58
|
50
|
51
|
39
|
52
|
62
|
60
|
54
|
56
|
42
|
31
|
34
|
42
|
47
|
48
|
62
|
39
|
53
|
35
|
50
|
55
|
51
|
52
|
60
|
56
|
|
2025/04
|
96
|
76
|
69
|
62
|
41
|
64
|
67
|
72
|
84
|
75
|
61
|
31
|
18
|
28
|
54
|
53
|
72
|
38
|
45
|
54
|
68
|
21
|
49
|
76
|
53
|
69
|
46
|
56
|
76
|
68
|
|
|
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