Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
64
O3
0.5
CO
10
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Feb
39
Excellent
Tue
3 Feb
57
Good
Wed
4 Feb
47
Excellent
Thu
5 Feb
37
Excellent
Fri
6 Feb
46
Excellent
Sat
7 Feb
42
Excellent
Sun
8 Feb
27
Excellent
Hongshan Air quality rank
Air quality in the last 12 months (Hongshan)
|
2025/12
|
21
|
19
|
19
|
23
|
35
|
38
|
34
|
20
|
55
|
59
|
27
|
63
|
45
|
33
|
59
|
71
|
47
|
62
|
71
|
20
|
25
|
53
|
57
|
16
|
22
|
65
|
68
|
48
|
28
|
24
|
27
|
|
2025/11
|
28
|
21
|
53
|
53
|
68
|
57
|
54
|
50
|
16
|
19
|
30
|
56
|
22
|
41
|
66
|
45
|
19
|
21
|
23
|
21
|
21
|
35
|
70
|
56
|
23
|
41
|
22
|
57
|
52
|
31
|
|
|
2025/10
|
42
|
42
|
39
|
36
|
18
|
21
|
44
|
21
|
20
|
26
|
35
|
34
|
46
|
58
|
42
|
29
|
32
|
17
|
13
|
20
|
36
|
43
|
58
|
63
|
42
|
18
|
18
|
52
|
70
|
52
|
36
|
|
2025/09
|
19
|
20
|
34
|
34
|
35
|
18
|
14
|
17
|
25
|
27
|
42
|
30
|
45
|
18
|
13
|
14
|
17
|
18
|
24
|
27
|
39
|
37
|
21
|
17
|
30
|
34
|
41
|
36
|
30
|
29
|
|
|
2025/08
|
29
|
34
|
24
|
27
|
26
|
30
|
17
|
25
|
14
|
19
|
26
|
23
|
16
|
22
|
23
|
18
|
22
|
28
|
26
|
27
|
24
|
15
|
21
|
20
|
24
|
17
|
26
|
19
|
29
|
17
|
25
|
|
2025/07
|
33
|
19
|
26
|
24
|
21
|
15
|
22
|
27
|
33
|
37
|
44
|
36
|
17
|
21
|
28
|
16
|
15
|
25
|
44
|
19
|
16
|
20
|
34
|
28
|
18
|
14
|
17
|
26
|
15
|
14
|
20
|
|
2025/06
|
27
|
33
|
34
|
25
|
37
|
19
|
15
|
17
|
31
|
20
|
27
|
46
|
35
|
33
|
13
|
17
|
22
|
43
|
21
|
15
|
19
|
19
|
28
|
44
|
44
|
42
|
41
|
25
|
32
|
34
|
|
|
2025/05
|
33
|
21
|
24
|
27
|
27
|
24
|
45
|
62
|
24
|
32
|
33
|
43
|
46
|
37
|
47
|
39
|
40
|
19
|
41
|
40
|
50
|
93
|
31
|
38
|
47
|
44
|
26
|
28
|
45
|
70
|
40
|
|
2025/04
|
28
|
17
|
27
|
52
|
21
|
31
|
50
|
21
|
41
|
37
|
69
|
62
|
33
|
23
|
40
|
60
|
57
|
24
|
26
|
46
|
61
|
29
|
47
|
31
|
21
|
48
|
26
|
16
|
52
|
37
|
|
|
2025/03
|
42
|
50
|
51
|
56
|
42
|
21
|
48
|
76
|
82
|
90
|
144
|
60
|
38
|
37
|
38
|
23
|
42
|
27
|
23
|
48
|
45
|
31
|
79
|
46
|
54
|
146
|
49
|
31
|
20
|
20
|
30
|
|
2025/02
|
94
|
96
|
20
|
20
|
24
|
34
|
32
|
17
|
24
|
40
|
63
|
52
|
49
|
42
|
64
|
26
|
15
|
19
|
15
|
19
|
18
|
17
|
14
|
16
|
26
|
18
|
52
|
46
|
|||
|
2025/01
|
38
|
16
|
24
|
42
|
32
|
23
|
18
|
27
|
17
|
26
|
42
|
34
|
18
|
31
|
18
|
35
|
36
|
35
|
29
|
43
|
32
|
58
|
79
|
88
|
105
|
53
|
18
|
34
|
211
|
51
|
72
|
|
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