Air Quality
Excellent
No health implications.
17
PM2.5
26
PM10
66
O3
0.8
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
107
Light
Tue
17 Feb
169
Moderate
Wed
18 Feb
105
Light
Thu
19 Feb
62
Good
Fri
20 Feb
68
Good
Sat
21 Feb
22
Excellent
Sun
22 Feb
32
Excellent
Huitong Air quality rank
Air quality in the last 12 months (Huitong)
|
2026/01
|
28
|
56
|
59
|
45
|
41
|
52
|
58
|
58
|
70
|
105
|
96
|
101
|
96
|
99
|
121
|
133
|
117
|
114
|
62
|
27
|
47
|
60
|
67
|
78
|
72
|
26
|
61
|
76
|
73
|
18
|
41
|
|
2025/12
|
69
|
88
|
71
|
62
|
57
|
66
|
72
|
65
|
76
|
86
|
88
|
124
|
32
|
46
|
58
|
65
|
67
|
67
|
68
|
74
|
56
|
68
|
47
|
44
|
57
|
56
|
59
|
64
|
80
|
91
|
90
|
|
2025/11
|
35
|
24
|
16
|
18
|
28
|
24
|
23
|
8
|
8
|
11
|
31
|
43
|
38
|
43
|
44
|
51
|
52
|
23
|
26
|
31
|
33
|
39
|
44
|
47
|
47
|
48
|
59
|
59
|
52
|
56
|
|
|
2025/10
|
38
|
25
|
24
|
31
|
34
|
26
|
22
|
33
|
31
|
30
|
31
|
44
|
46
|
30
|
33
|
28
|
28
|
17
|
13
|
10
|
11
|
26
|
35
|
38
|
49
|
43
|
33
|
42
|
55
|
58
|
40
|
|
2025/09
|
29
|
27
|
24
|
23
|
33
|
32
|
36
|
36
|
16
|
19
|
21
|
17
|
21
|
27
|
27
|
27
|
23
|
27
|
29
|
24
|
28
|
24
|
19
|
17
|
17
|
15
|
24
|
30
|
33
|
34
|
|
|
2025/08
|
30
|
32
|
28
|
27
|
29
|
17
|
13
|
17
|
24
|
23
|
25
|
27
|
31
|
24
|
14
|
20
|
26
|
29
|
20
|
19
|
16
|
18
|
24
|
28
|
24
|
26
|
24
|
24
|
27
|
30
|
27
|
|
2025/07
|
19
|
18
|
21
|
24
|
29
|
39
|
32
|
33
|
36
|
27
|
24
|
35
|
27
|
29
|
20
|
23
|
25
|
31
|
30
|
29
|
12
|
11
|
14
|
20
|
21
|
29
|
30
|
24
|
28
|
26
|
28
|
|
2025/06
|
22
|
19
|
32
|
36
|
43
|
37
|
26
|
24
|
32
|
33
|
33
|
28
|
27
|
21
|
23
|
27
|
15
|
13
|
15
|
17
|
16
|
11
|
13
|
14
|
23
|
29
|
20
|
16
|
17
|
20
|
|
|
2025/05
|
43
|
56
|
52
|
38
|
34
|
41
|
45
|
37
|
22
|
31
|
30
|
43
|
47
|
55
|
51
|
24
|
38
|
30
|
35
|
26
|
24
|
30
|
30
|
48
|
47
|
32
|
28
|
12
|
23
|
30
|
25
|
|
2025/04
|
46
|
54
|
63
|
89
|
91
|
75
|
84
|
96
|
83
|
63
|
56
|
61
|
140
|
105
|
79
|
75
|
69
|
66
|
35
|
28
|
40
|
29
|
50
|
30
|
30
|
39
|
29
|
35
|
53
|
35
|
|
|
2025/03
|
44
|
37
|
25
|
19
|
21
|
32
|
36
|
40
|
47
|
37
|
37
|
47
|
51
|
25
|
16
|
39
|
40
|
39
|
44
|
44
|
55
|
65
|
71
|
71
|
80
|
77
|
78
|
71
|
38
|
20
|
33
|
|
2025/02
|
20
|
15
|
44
|
57
|
66
|
67
|
47
|
72
|
51
|
51
|
59
|
67
|
67
|
57
|
39
|
45
|
35
|
36
|
35
|
30
|
87
|
26
|
43
|
89
|
46
|
40
|
33
|
38
|
|||
|
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