Air Quality
Excellent
No health implications.
4
PM2.5
15
PM10
74
O3
0.8
CO
10
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
59
Good
Fri
2 May
57
Good
Sat
3 May
48
Excellent
Sun
4 May
55
Good
Mon
5 May
61
Good
Tue
6 May
55
Good
Wed
7 May
28
Excellent
Air quality in the last 12 months (Tiedong)
|
2025/02
|
134
|
199
|
55
|
42
|
43
|
63
|
50
|
55
|
63
|
53
|
65
|
62
|
72
|
90
|
96
|
53
|
43
|
35
|
47
|
49
|
53
|
59
|
52
|
58
|
79
|
70
|
106
|
139
|
|||
|
2025/01
|
48
|
58
|
60
|
55
|
163
|
131
|
78
|
50
|
46
|
76
|
81
|
117
|
73
|
57
|
50
|
55
|
59
|
79
|
75
|
113
|
66
|
82
|
79
|
125
|
132
|
196
|
115
|
94
|
192
|
78
|
99
|
|
2024/12
|
34
|
28
|
35
|
39
|
49
|
40
|
41
|
54
|
64
|
57
|
45
|
63
|
51
|
58
|
52
|
57
|
33
|
66
|
62
|
90
|
56
|
58
|
46
|
58
|
85
|
56
|
61
|
65
|
56
|
79
|
51
|
|
2024/11
|
103
|
87
|
58
|
31
|
32
|
48
|
52
|
54
|
48
|
50
|
53
|
47
|
43
|
44
|
40
|
33
|
27
|
31
|
43
|
89
|
50
|
51
|
91
|
57
|
45
|
27
|
35
|
39
|
53
|
54
|
|
|
2024/10
|
25
|
38
|
32
|
39
|
52
|
79
|
39
|
56
|
41
|
32
|
45
|
82
|
62
|
37
|
27
|
50
|
67
|
61
|
43
|
49
|
57
|
45
|
45
|
87
|
100
|
107
|
35
|
71
|
66
|
74
|
84
|
|
2024/09
|
33
|
26
|
41
|
39
|
28
|
33
|
45
|
46
|
37
|
27
|
38
|
53
|
53
|
29
|
33
|
50
|
62
|
59
|
55
|
30
|
26
|
38
|
44
|
31
|
48
|
45
|
56
|
51
|
43
|
24
|
|
|
2024/08
|
23
|
26
|
38
|
22
|
16
|
37
|
32
|
45
|
48
|
20
|
49
|
45
|
41
|
42
|
48
|
47
|
55
|
46
|
26
|
21
|
26
|
30
|
32
|
58
|
48
|
34
|
41
|
46
|
41
|
45
|
44
|
|
2024/07
|
65
|
54
|
33
|
59
|
82
|
28
|
46
|
52
|
58
|
74
|
80
|
65
|
49
|
60
|
51
|
18
|
24
|
45
|
35
|
17
|
35
|
17
|
30
|
23
|
19
|
12
|
13
|
13
|
38
|
41
|
15
|
|
2024/06
|
31
|
39
|
43
|
54
|
43
|
33
|
29
|
34
|
41
|
43
|
42
|
27
|
22
|
32
|
32
|
45
|
60
|
56
|
38
|
39
|
45
|
31
|
72
|
25
|
29
|
39
|
44
|
37
|
22
|
38
|
|
|
2024/05
|
37
|
59
|
62
|
47
|
45
|
50
|
50
|
61
|
88
|
65
|
81
|
47
|
56
|
68
|
53
|
47
|
52
|
46
|
38
|
40
|
66
|
42
|
36
|
35
|
42
|
28
|
22
|
44
|
50
|
44
|
31
|
|
2024/04
|
69
|
72
|
69
|
80
|
109
|
93
|
96
|
85
|
193
|
132
|
66
|
49
|
35
|
31
|
159
|
112
|
54
|
57
|
68
|
121
|
73
|
67
|
42
|
42
|
51
|
62
|
68
|
43
|
50
|
62
|
|
|
2024/03
|
56
|
58
|
71
|
72
|
58
|
69
|
101
|
62
|
68
|
81
|
91
|
72
|
94
|
117
|
98
|
126
|
98
|
99
|
56
|
49
|
56
|
35
|
85
|
60
|
66
|
101
|
72
|
234
|
102
|
65
|
84
|
|
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