Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 May
Mon
12 May
Tue
13 May
Wed
14 May
Thu
15 May
Fri
16 May
Sat
17 May
Real-time AQI (Monitoring Station in Tieling)
汇工街西
8059 *
PM2.5
72
PM10
116
O3
0.4
CO
10
SO2
29
NO2
水上乐园
6244 *
PM2.5
62
PM10
124
O3
0.7
CO
9
SO2
28
NO2
Air quality in the last 12 months (Tieling)
|
2025/02
|
132
|
186
|
94
|
69
|
62
|
70
|
54
|
57
|
82
|
64
|
66
|
53
|
79
|
91
|
104
|
53
|
31
|
28
|
47
|
53
|
53
|
62
|
53
|
58
|
92
|
67
|
97
|
141
|
|||
|
2025/01
|
49
|
44
|
58
|
73
|
108
|
122
|
53
|
34
|
58
|
66
|
74
|
90
|
97
|
74
|
41
|
54
|
66
|
68
|
83
|
73
|
81
|
103
|
124
|
90
|
91
|
125
|
136
|
69
|
121
|
96
|
102
|
|
2024/12
|
32
|
23
|
40
|
33
|
39
|
31
|
53
|
57
|
70
|
70
|
42
|
79
|
76
|
56
|
40
|
38
|
37
|
57
|
57
|
69
|
65
|
63
|
68
|
59
|
77
|
45
|
46
|
51
|
64
|
67
|
45
|
|
2024/11
|
71
|
94
|
91
|
31
|
40
|
45
|
48
|
63
|
60
|
45
|
40
|
53
|
50
|
39
|
39
|
32
|
23
|
25
|
42
|
90
|
77
|
48
|
74
|
73
|
51
|
22
|
41
|
43
|
53
|
56
|
|
|
2024/10
|
21
|
31
|
40
|
48
|
51
|
57
|
31
|
50
|
45
|
28
|
49
|
50
|
77
|
49
|
18
|
41
|
76
|
44
|
24
|
44
|
33
|
31
|
41
|
67
|
108
|
89
|
33
|
54
|
95
|
103
|
111
|
|
2024/09
|
24
|
17
|
31
|
43
|
20
|
31
|
31
|
32
|
43
|
22
|
25
|
25
|
35
|
17
|
26
|
40
|
51
|
38
|
35
|
14
|
19
|
28
|
34
|
42
|
31
|
24
|
38
|
43
|
46
|
16
|
|
|
2024/08
|
21
|
17
|
32
|
34
|
20
|
28
|
47
|
46
|
41
|
25
|
28
|
24
|
22
|
26
|
32
|
29
|
33
|
38
|
33
|
23
|
17
|
17
|
24
|
40
|
21
|
26
|
22
|
27
|
36
|
44
|
37
|
|
2024/07
|
56
|
52
|
15
|
47
|
51
|
39
|
30
|
51
|
46
|
50
|
64
|
67
|
66
|
62
|
63
|
41
|
18
|
50
|
46
|
19
|
40
|
23
|
36
|
28
|
23
|
11
|
19
|
17
|
28
|
49
|
24
|
|
2024/06
|
23
|
23
|
25
|
46
|
50
|
45
|
39
|
31
|
28
|
41
|
50
|
47
|
39
|
30
|
18
|
37
|
54
|
56
|
49
|
43
|
43
|
34
|
51
|
13
|
27
|
33
|
50
|
43
|
33
|
32
|
|
|
2024/05
|
48
|
66
|
64
|
59
|
38
|
48
|
47
|
50
|
65
|
79
|
91
|
41
|
54
|
67
|
37
|
24
|
47
|
56
|
30
|
20
|
40
|
42
|
25
|
25
|
29
|
15
|
17
|
32
|
54
|
47
|
18
|
|
2024/04
|
62
|
76
|
50
|
84
|
103
|
81
|
140
|
150
|
186
|
127
|
65
|
63
|
50
|
60
|
224
|
147
|
80
|
55
|
66
|
186
|
110
|
65
|
81
|
54
|
61
|
79
|
67
|
22
|
39
|
54
|
|
|
2024/03
|
39
|
45
|
45
|
57
|
39
|
41
|
50
|
39
|
53
|
102
|
80
|
55
|
73
|
114
|
105
|
167
|
84
|
103
|
107
|
74
|
94
|
42
|
112
|
35
|
78
|
83
|
73
|
150
|
96
|
76
|
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
*: primary pollution