Air Quality
Excellent
No health implications.
19
PM2.5
40
PM10
60
O3
0.5
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
44
Excellent
Fri
26 Apr
66
Good
Sat
27 Apr
49
Excellent
Sun
28 Apr
51
Good
Mon
29 Apr
45
Excellent
Tue
30 Apr
43
Excellent
Wed
1 May
43
Excellent
Honghuagang Air quality rank
Air quality in the last 12 months (Honghuagang)
|
2024/02
|
40
|
25
|
27
|
29
|
29
|
33
|
42
|
49
|
71
|
240
|
75
|
49
|
57
|
62
|
62
|
39
|
43
|
50
|
62
|
60
|
39
|
27
|
27
|
29
|
27
|
36
|
51
|
53
|
57
|
||
|
2024/01
|
60
|
44
|
49
|
46
|
60
|
74
|
42
|
57
|
63
|
59
|
57
|
81
|
80
|
62
|
46
|
51
|
54
|
34
|
26
|
28
|
29
|
35
|
36
|
42
|
57
|
52
|
53
|
49
|
53
|
47
|
46
|
|
2023/12
|
60
|
44
|
54
|
49
|
59
|
51
|
73
|
76
|
94
|
76
|
52
|
34
|
36
|
35
|
54
|
25
|
33
|
32
|
44
|
46
|
45
|
68
|
70
|
83
|
81
|
74
|
97
|
84
|
73
|
105
|
101
|
|
2023/11
|
45
|
57
|
55
|
42
|
36
|
41
|
43
|
42
|
39
|
19
|
20
|
22
|
34
|
37
|
29
|
38
|
58
|
71
|
83
|
71
|
59
|
46
|
72
|
85
|
60
|
54
|
57
|
57
|
67
|
47
|
|
|
2023/10
|
29
|
29
|
28
|
29
|
19
|
17
|
17
|
22
|
32
|
33
|
35
|
37
|
27
|
30
|
42
|
46
|
45
|
45
|
36
|
35
|
43
|
41
|
55
|
61
|
36
|
42
|
21
|
27
|
37
|
41
|
38
|
|
2023/09
|
40
|
41
|
45
|
38
|
40
|
40
|
35
|
31
|
34
|
34
|
37
|
25
|
23
|
33
|
41
|
43
|
34
|
28
|
25
|
32
|
20
|
17
|
24
|
28
|
31
|
29
|
32
|
30
|
30
|
28
|
|
|
2023/08
|
27
|
21
|
21
|
32
|
38
|
29
|
26
|
21
|
23
|
23
|
27
|
33
|
30
|
26
|
27
|
32
|
31
|
30
|
40
|
45
|
45
|
38
|
31
|
25
|
21
|
24
|
26
|
26
|
27
|
31
|
37
|
|
2023/07
|
36
|
26
|
23
|
25
|
32
|
23
|
26
|
22
|
22
|
25
|
29
|
28
|
27
|
27
|
42
|
44
|
41
|
34
|
20
|
23
|
28
|
29
|
33
|
28
|
31
|
26
|
26
|
26
|
25
|
32
|
30
|
|
2023/06
|
24
|
27
|
22
|
23
|
19
|
32
|
32
|
31
|
35
|
35
|
34
|
28
|
38
|
30
|
29
|
26
|
29
|
26
|
29
|
44
|
39
|
24
|
24
|
23
|
30
|
35
|
26
|
24
|
22
|
23
|
|
|
2023/05
|
64
|
53
|
42
|
48
|
56
|
25
|
22
|
27
|
24
|
26
|
21
|
31
|
62
|
75
|
78
|
53
|
52
|
54
|
39
|
23
|
30
|
24
|
26
|
35
|
34
|
32
|
33
|
37
|
34
|
47
|
31
|
|
2023/04
|
39
|
49
|
52
|
47
|
28
|
24
|
31
|
63
|
72
|
60
|
51
|
41
|
50
|
39
|
47
|
63
|
56
|
37
|
33
|
34
|
35
|
33
|
24
|
27
|
30
|
45
|
42
|
44
|
41
|
52
|
|
|
2023/03
|
77
|
59
|
56
|
43
|
63
|
60
|
72
|
54
|
47
|
50
|
53
|
35
|
26
|
57
|
63
|
50
|
45
|
27
|
34
|
23
|
37
|
38
|
32
|
27
|
35
|
35
|
48
|
41
|
48
|
50
|
41
|
|
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