Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
41
*
PM2.5
52
PM10
12
O3
1.0
CO
5
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
15 Feb
76
Good
Mon
16 Feb
104
Light
Tue
17 Feb
160
Moderate
Wed
18 Feb
100
Good
Thu
19 Feb
69
Good
Fri
20 Feb
35
Excellent
Sat
21 Feb
22
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
|
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
|
14
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15
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16
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17
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18
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19
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20
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21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution