Air Quality
Excellent
No health implications.
20
PM2.5
32
PM10
80
O3
0.3
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
69
Good
Fri
31 Jan
70
Good
Sat
1 Feb
76
Good
Sun
2 Feb
63
Good
Mon
3 Feb
54
Good
Tue
4 Feb
50
Excellent
Wed
5 Feb
16
Excellent
Air quality in the last 12 months (Tongyu)
|
2024/12
|
49
|
24
|
27
|
24
|
33
|
34
|
34
|
40
|
53
|
44
|
35
|
43
|
68
|
33
|
32
|
37
|
42
|
53
|
56
|
71
|
54
|
37
|
39
|
39
|
55
|
35
|
34
|
35
|
58
|
76
|
38
|
|
2024/11
|
34
|
50
|
59
|
21
|
26
|
39
|
63
|
143
|
115
|
57
|
46
|
36
|
82
|
85
|
167
|
48
|
34
|
36
|
53
|
48
|
37
|
54
|
96
|
144
|
149
|
36
|
26
|
36
|
33
|
38
|
|
|
2024/10
|
22
|
24
|
26
|
39
|
44
|
33
|
51
|
35
|
47
|
22
|
28
|
30
|
57
|
53
|
25
|
33
|
40
|
34
|
30
|
33
|
40
|
33
|
50
|
48
|
44
|
38
|
32
|
38
|
61
|
47
|
54
|
|
2024/09
|
18
|
18
|
20
|
26
|
20
|
24
|
23
|
25
|
41
|
25
|
27
|
32
|
34
|
27
|
24
|
29
|
30
|
28
|
35
|
23
|
32
|
39
|
32
|
40
|
28
|
36
|
33
|
39
|
53
|
23
|
|
|
2024/08
|
17
|
17
|
19
|
21
|
19
|
23
|
31
|
24
|
23
|
24
|
15
|
17
|
20
|
24
|
25
|
31
|
33
|
30
|
21
|
19
|
15
|
15
|
27
|
29
|
20
|
24
|
19
|
22
|
26
|
26
|
20
|
|
2024/07
|
51
|
45
|
39
|
34
|
28
|
36
|
48
|
77
|
69
|
70
|
72
|
77
|
70
|
58
|
50
|
33
|
20
|
28
|
28
|
33
|
34
|
27
|
20
|
17
|
22
|
16
|
15
|
16
|
18
|
23
|
18
|
|
2024/06
|
23
|
28
|
30
|
38
|
44
|
52
|
42
|
25
|
18
|
36
|
42
|
30
|
30
|
16
|
16
|
22
|
18
|
24
|
55
|
30
|
31
|
44
|
8
|
13
|
19
|
27
|
44
|
49
|
41
|
33
|
|
|
2024/05
|
52
|
49
|
62
|
90
|
62
|
65
|
49
|
72
|
39
|
68
|
55
|
34
|
37
|
44
|
26
|
28
|
49
|
46
|
28
|
28
|
49
|
51
|
37
|
28
|
29
|
16
|
20
|
28
|
30
|
22
|
19
|
|
2024/04
|
63
|
66
|
57
|
56
|
64
|
58
|
60
|
56
|
65
|
93
|
90
|
103
|
77
|
103
|
205
|
82
|
65
|
49
|
39
|
109
|
109
|
63
|
38
|
33
|
42
|
34
|
33
|
30
|
49
|
40
|
|
|
2024/03
|
35
|
36
|
39
|
44
|
43
|
47
|
48
|
38
|
50
|
88
|
59
|
46
|
43
|
46
|
51
|
94
|
30
|
38
|
44
|
43
|
56
|
59
|
61
|
31
|
64
|
84
|
104
|
215
|
55
|
51
|
54
|
|
2024/02
|
49
|
59
|
82
|
59
|
71
|
81
|
66
|
60
|
85
|
141
|
41
|
80
|
76
|
42
|
38
|
84
|
107
|
64
|
42
|
36
|
40
|
46
|
63
|
75
|
92
|
51
|
60
|
60
|
60
|
||
|
2024/01
|
57
|
82
|
61
|
78
|
78
|
51
|
30
|
47
|
63
|
44
|
56
|
67
|
57
|
43
|
52
|
68
|
69
|
42
|
50
|
45
|
34
|
36
|
46
|
46
|
47
|
45
|
62
|
64
|
47
|
88
|
62
|
|
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