Air Quality
Excellent
No health implications.
19
PM2.5
41
PM10
106
O3
0.6
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
50
Excellent
Sat
4 May
44
Excellent
Sun
5 May
45
Excellent
Mon
6 May
74
Good
Tue
7 May
75
Good
Wed
8 May
69
Good
Thu
9 May
82
Good
Air quality in the last 12 months (Hengfeng)
|
2024/02
|
37
|
16
|
15
|
14
|
27
|
15
|
17
|
40
|
85
|
147
|
78
|
56
|
45
|
44
|
36
|
21
|
27
|
36
|
41
|
41
|
19
|
11
|
13
|
17
|
42
|
36
|
45
|
43
|
28
|
||
|
2024/01
|
106
|
111
|
60
|
55
|
56
|
60
|
88
|
112
|
99
|
48
|
60
|
63
|
58
|
60
|
109
|
69
|
59
|
67
|
32
|
18
|
41
|
27
|
34
|
41
|
47
|
52
|
55
|
54
|
59
|
37
|
44
|
|
2023/12
|
49
|
52
|
57
|
55
|
57
|
49
|
58
|
56
|
47
|
53
|
39
|
21
|
40
|
48
|
31
|
28
|
41
|
37
|
31
|
32
|
51
|
41
|
50
|
54
|
59
|
64
|
64
|
70
|
107
|
129
|
106
|
|
2023/11
|
49
|
48
|
48
|
53
|
51
|
26
|
42
|
39
|
32
|
19
|
16
|
17
|
35
|
49
|
54
|
45
|
86
|
76
|
63
|
57
|
56
|
52
|
57
|
76
|
59
|
61
|
68
|
59
|
58
|
63
|
|
|
2023/10
|
27
|
41
|
47
|
38
|
37
|
36
|
19
|
18
|
21
|
34
|
37
|
48
|
56
|
57
|
59
|
59
|
59
|
59
|
60
|
26
|
32
|
48
|
49
|
52
|
60
|
65
|
64
|
42
|
40
|
56
|
58
|
|
2023/09
|
36
|
40
|
44
|
32
|
29
|
35
|
38
|
40
|
41
|
46
|
48
|
47
|
25
|
16
|
20
|
20
|
35
|
35
|
38
|
50
|
42
|
33
|
30
|
32
|
43
|
46
|
50
|
50
|
38
|
43
|
|
|
2023/08
|
31
|
29
|
32
|
35
|
42
|
48
|
42
|
34
|
30
|
44
|
50
|
36
|
30
|
25
|
41
|
46
|
43
|
37
|
36
|
33
|
35
|
23
|
25
|
42
|
49
|
32
|
27
|
28
|
19
|
19
|
25
|
|
2023/07
|
37
|
39
|
30
|
27
|
26
|
32
|
29
|
28
|
37
|
36
|
40
|
37
|
35
|
42
|
49
|
39
|
28
|
30
|
22
|
25
|
29
|
30
|
22
|
35
|
26
|
32
|
27
|
16
|
17
|
23
|
27
|
|
2023/06
|
41
|
46
|
62
|
54
|
48
|
42
|
32
|
25
|
35
|
38
|
56
|
64
|
59
|
55
|
55
|
37
|
33
|
30
|
26
|
22
|
18
|
34
|
30
|
16
|
22
|
20
|
23
|
24
|
31
|
35
|
|
|
2023/05
|
66
|
53
|
45
|
43
|
33
|
24
|
23
|
33
|
50
|
50
|
53
|
48
|
52
|
63
|
58
|
57
|
32
|
31
|
52
|
58
|
30
|
57
|
53
|
49
|
37
|
40
|
34
|
40
|
46
|
46
|
38
|
|
2023/04
|
48
|
52
|
48
|
29
|
26
|
24
|
46
|
56
|
56
|
59
|
63
|
59
|
76
|
37
|
61
|
75
|
67
|
59
|
28
|
33
|
39
|
55
|
38
|
15
|
21
|
32
|
44
|
41
|
71
|
116
|
|
|
2023/03
|
53
|
65
|
68
|
71
|
65
|
58
|
59
|
67
|
60
|
60
|
60
|
67
|
77
|
61
|
61
|
72
|
48
|
28
|
21
|
24
|
46
|
35
|
26
|
18
|
20
|
32
|
66
|
70
|
52
|
34
|
33
|
|
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