Air Quality
Excellent
No health implications.
18
PM2.5
26
PM10
108
O3
0.2
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
58
Good
Sun
28 Apr
55
Good
Mon
29 Apr
56
Good
Tue
30 Apr
59
Good
Wed
1 May
84
Good
Thu
2 May
91
Good
Fri
3 May
86
Good
Air quality in the last 12 months (Tiedong)
|
2024/02
|
103
|
100
|
104
|
91
|
115
|
116
|
97
|
124
|
194
|
250
|
75
|
54
|
90
|
46
|
50
|
64
|
51
|
32
|
34
|
41
|
45
|
50
|
68
|
94
|
184
|
68
|
59
|
98
|
66
|
||
|
2024/01
|
87
|
122
|
102
|
56
|
46
|
54
|
32
|
39
|
91
|
52
|
62
|
54
|
54
|
51
|
54
|
53
|
82
|
74
|
87
|
50
|
36
|
39
|
70
|
74
|
69
|
84
|
85
|
91
|
94
|
143
|
91
|
|
2023/12
|
46
|
40
|
40
|
62
|
90
|
68
|
43
|
90
|
33
|
33
|
39
|
57
|
59
|
69
|
44
|
27
|
35
|
83
|
74
|
59
|
78
|
70
|
89
|
96
|
99
|
66
|
56
|
103
|
83
|
115
|
61
|
|
2023/11
|
64
|
69
|
35
|
58
|
161
|
41
|
33
|
53
|
58
|
28
|
49
|
63
|
52
|
62
|
89
|
47
|
37
|
46
|
37
|
36
|
66
|
86
|
25
|
24
|
39
|
57
|
94
|
33
|
29
|
41
|
|
|
2023/10
|
33
|
35
|
49
|
34
|
30
|
41
|
35
|
48
|
45
|
46
|
57
|
57
|
59
|
54
|
55
|
47
|
41
|
41
|
36
|
24
|
30
|
46
|
71
|
92
|
102
|
46
|
51
|
88
|
136
|
73
|
86
|
|
2023/09
|
38
|
39
|
36
|
40
|
30
|
47
|
48
|
51
|
38
|
41
|
44
|
34
|
33
|
34
|
42
|
48
|
64
|
45
|
19
|
31
|
28
|
45
|
30
|
37
|
30
|
31
|
45
|
37
|
41
|
31
|
|
|
2023/08
|
40
|
33
|
40
|
37
|
19
|
14
|
14
|
22
|
22
|
24
|
20
|
19
|
16
|
26
|
31
|
33
|
34
|
39
|
32
|
39
|
30
|
28
|
29
|
30
|
19
|
31
|
28
|
24
|
17
|
21
|
27
|
|
2023/07
|
36
|
36
|
47
|
32
|
39
|
55
|
38
|
28
|
27
|
24
|
27
|
30
|
30
|
23
|
21
|
15
|
17
|
32
|
66
|
73
|
46
|
36
|
22
|
26
|
35
|
33
|
30
|
22
|
26
|
17
|
29
|
|
2023/06
|
57
|
35
|
30
|
34
|
39
|
37
|
45
|
33
|
26
|
32
|
25
|
31
|
38
|
55
|
73
|
71
|
78
|
69
|
79
|
33
|
34
|
37
|
36
|
66
|
40
|
38
|
27
|
61
|
42
|
46
|
|
|
2023/05
|
43
|
60
|
55
|
50
|
54
|
38
|
48
|
58
|
45
|
40
|
41
|
52
|
48
|
47
|
54
|
73
|
35
|
27
|
38
|
337
|
88
|
37
|
40
|
55
|
64
|
54
|
52
|
48
|
28
|
31
|
43
|
|
2023/04
|
83
|
77
|
77
|
127
|
361
|
119
|
86
|
61
|
101
|
89
|
292
|
128
|
228
|
53
|
114
|
79
|
67
|
84
|
78
|
100
|
117
|
51
|
49
|
48
|
50
|
31
|
51
|
39
|
39
|
36
|
|
|
2023/03
|
72
|
73
|
67
|
50
|
90
|
103
|
125
|
58
|
73
|
120
|
120
|
39
|
66
|
87
|
71
|
42
|
147
|
98
|
117
|
99
|
94
|
299
|
153
|
46
|
66
|
59
|
75
|
95
|
86
|
104
|
138
|
|
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