Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
*
PM2.5
50
PM10
71
O3
0.8
CO
12
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Feb
30
Excellent
Thu
6 Feb
34
Excellent
Fri
7 Feb
44
Excellent
Sat
8 Feb
41
Excellent
Sun
9 Feb
48
Excellent
Mon
10 Feb
40
Excellent
Tue
11 Feb
46
Excellent
Hongta Air quality rank
Air quality in the last 12 months (Hongta)
|
2024/12
|
24
|
24
|
28
|
27
|
25
|
31
|
26
|
28
|
22
|
29
|
34
|
30
|
32
|
28
|
30
|
43
|
29
|
33
|
45
|
39
|
31
|
41
|
31
|
38
|
37
|
38
|
43
|
41
|
42
|
32
|
41
|
|
2024/11
|
33
|
33
|
41
|
42
|
40
|
45
|
31
|
27
|
17
|
21
|
25
|
29
|
23
|
24
|
27
|
28
|
30
|
33
|
34
|
35
|
19
|
27
|
20
|
23
|
25
|
31
|
23
|
11
|
21
|
18
|
|
|
2024/10
|
12
|
14
|
22
|
22
|
33
|
34
|
34
|
42
|
23
|
15
|
29
|
31
|
21
|
25
|
25
|
23
|
22
|
31
|
40
|
29
|
16
|
23
|
17
|
31
|
26
|
29
|
40
|
44
|
42
|
43
|
34
|
|
2024/09
|
27
|
26
|
24
|
28
|
15
|
28
|
31
|
11
|
7
|
9
|
12
|
14
|
27
|
33
|
35
|
20
|
19
|
17
|
24
|
30
|
31
|
17
|
18
|
33
|
37
|
44
|
41
|
28
|
24
|
32
|
|
|
2024/08
|
41
|
36
|
21
|
16
|
18
|
15
|
13
|
12
|
9
|
16
|
28
|
41
|
46
|
39
|
33
|
26
|
33
|
36
|
25
|
37
|
36
|
30
|
18
|
22
|
21
|
16
|
28
|
30
|
27
|
30
|
35
|
|
2024/07
|
12
|
19
|
23
|
13
|
17
|
25
|
17
|
17
|
14
|
13
|
10
|
14
|
20
|
12
|
15
|
17
|
23
|
20
|
16
|
13
|
17
|
17
|
25
|
20
|
26
|
25
|
26
|
33
|
22
|
11
|
18
|
|
2024/06
|
30
|
31
|
29
|
40
|
11
|
16
|
20
|
19
|
13
|
11
|
18
|
19
|
11
|
18
|
12
|
18
|
28
|
29
|
32
|
34
|
23
|
25
|
22
|
20
|
17
|
17
|
18
|
17
|
13
|
13
|
|
|
2024/05
|
52
|
52
|
31
|
50
|
49
|
40
|
34
|
34
|
24
|
23
|
29
|
36
|
19
|
31
|
35
|
15
|
24
|
26
|
33
|
19
|
28
|
38
|
38
|
25
|
30
|
9
|
12
|
20
|
17
|
34
|
18
|
|
2024/04
|
37
|
43
|
55
|
60
|
57
|
77
|
69
|
59
|
64
|
65
|
84
|
80
|
64
|
42
|
50
|
75
|
81
|
76
|
40
|
47
|
44
|
48
|
51
|
48
|
40
|
46
|
48
|
58
|
55
|
52
|
|
|
2024/03
|
51
|
57
|
43
|
32
|
26
|
29
|
35
|
58
|
60
|
51
|
43
|
70
|
63
|
53
|
55
|
62
|
77
|
58
|
61
|
60
|
48
|
30
|
24
|
35
|
32
|
48
|
60
|
49
|
54
|
68
|
62
|
|
2024/02
|
40
|
53
|
63
|
35
|
43
|
39
|
49
|
56
|
50
|
54
|
58
|
54
|
44
|
34
|
33
|
40
|
35
|
35
|
70
|
57
|
51
|
57
|
66
|
64
|
54
|
40
|
48
|
39
|
39
|
||
|
2024/01
|
44
|
33
|
40
|
42
|
30
|
32
|
39
|
37
|
37
|
38
|
41
|
40
|
38
|
44
|
42
|
29
|
21
|
38
|
35
|
38
|
42
|
29
|
50
|
50
|
34
|
31
|
31
|
52
|
36
|
28
|
29
|
|
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