Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
96
O3
0.1
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
49
Excellent
Sun
28 Apr
50
Excellent
Mon
29 Apr
53
Good
Tue
30 Apr
50
Excellent
Wed
1 May
55
Good
Thu
2 May
66
Good
Fri
3 May
67
Good
Air quality in the last 12 months (Tongyu)
|
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
|
|
2023/12
|
35
|
41
|
40
|
44
|
56
|
34
|
36
|
64
|
33
|
41
|
38
|
58
|
79
|
54
|
35
|
29
|
32
|
55
|
56
|
45
|
41
|
43
|
46
|
54
|
48
|
69
|
49
|
66
|
72
|
107
|
40
|
|
2023/11
|
71
|
71
|
32
|
60
|
167
|
78
|
31
|
58
|
45
|
36
|
42
|
39
|
38
|
49
|
62
|
48
|
44
|
39
|
32
|
40
|
55
|
53
|
29
|
28
|
36
|
67
|
69
|
33
|
32
|
27
|
|
|
2023/10
|
33
|
35
|
40
|
32
|
31
|
34
|
37
|
46
|
46
|
47
|
59
|
53
|
60
|
49
|
46
|
39
|
50
|
36
|
28
|
25
|
39
|
37
|
57
|
58
|
74
|
40
|
54
|
60
|
99
|
52
|
65
|
|
2023/09
|
31
|
34
|
41
|
26
|
23
|
34
|
42
|
44
|
28
|
36
|
36
|
26
|
34
|
36
|
45
|
29
|
36
|
28
|
21
|
28
|
29
|
31
|
33
|
36
|
35
|
36
|
40
|
28
|
36
|
27
|
|
|
2023/08
|
27
|
27
|
30
|
21
|
22
|
18
|
21
|
19
|
21
|
19
|
19
|
17
|
23
|
24
|
29
|
28
|
27
|
27
|
24
|
31
|
39
|
23
|
23
|
24
|
17
|
21
|
30
|
25
|
18
|
21
|
22
|
|
2023/07
|
35
|
36
|
38
|
34
|
38
|
36
|
34
|
32
|
30
|
27
|
87
|
76
|
39
|
28
|
24
|
19
|
20
|
28
|
41
|
34
|
29
|
28
|
24
|
22
|
28
|
41
|
36
|
31
|
30
|
26
|
24
|
|
2023/06
|
36
|
27
|
26
|
27
|
28
|
29
|
38
|
25
|
29
|
29
|
30
|
32
|
43
|
48
|
52
|
49
|
46
|
47
|
54
|
36
|
33
|
37
|
40
|
65
|
61
|
41
|
37
|
51
|
35
|
35
|
|
|
2023/05
|
37
|
251
|
100
|
45
|
41
|
38
|
40
|
45
|
36
|
39
|
57
|
60
|
36
|
55
|
50
|
56
|
47
|
47
|
69
|
416
|
74
|
44
|
47
|
98
|
114
|
40
|
50
|
36
|
29
|
30
|
37
|
|
2023/04
|
110
|
100
|
65
|
91
|
163
|
114
|
65
|
51
|
99
|
221
|
481
|
120
|
92
|
69
|
69
|
67
|
107
|
83
|
83
|
247
|
76
|
43
|
42
|
55
|
55
|
40
|
73
|
64
|
43
|
36
|
|
|
2023/03
|
53
|
51
|
52
|
60
|
121
|
62
|
71
|
58
|
52
|
170
|
68
|
36
|
54
|
78
|
58
|
33
|
34
|
40
|
53
|
83
|
107
|
345
|
92
|
43
|
52
|
48
|
53
|
54
|
68
|
50
|
96
|
|
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