Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
42
*
PM2.5
58
PM10
31
O3
1.0
CO
2
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Feb
98
Good
Sun
8 Feb
79
Good
Mon
9 Feb
82
Good
Tue
10 Feb
86
Good
Wed
11 Feb
90
Good
Thu
12 Feb
90
Good
Fri
13 Feb
43
Excellent
Hengnan Air quality rank
Air quality in the last 12 months (Hengnan)
|
2026/01
|
33
|
56
|
67
|
69
|
57
|
78
|
75
|
64
|
67
|
90
|
102
|
93
|
110
|
88
|
97
|
115
|
100
|
111
|
39
|
21
|
52
|
65
|
66
|
44
|
66
|
62
|
127
|
79
|
55
|
32
|
39
|
|
2025/12
|
75
|
108
|
88
|
68
|
80
|
85
|
98
|
109
|
117
|
128
|
102
|
115
|
29
|
49
|
54
|
63
|
71
|
144
|
95
|
69
|
93
|
94
|
52
|
43
|
58
|
58
|
66
|
79
|
94
|
120
|
157
|
|
2025/11
|
49
|
44
|
26
|
27
|
29
|
27
|
46
|
14
|
10
|
16
|
39
|
56
|
44
|
48
|
52
|
58
|
61
|
28
|
33
|
43
|
50
|
59
|
70
|
60
|
54
|
64
|
76
|
85
|
77
|
73
|
|
|
2025/10
|
59
|
51
|
35
|
52
|
43
|
25
|
44
|
52
|
45
|
48
|
53
|
89
|
75
|
47
|
58
|
49
|
48
|
21
|
10
|
10
|
11
|
24
|
36
|
41
|
51
|
63
|
68
|
62
|
77
|
81
|
59
|
|
2025/09
|
19
|
24
|
31
|
34
|
37
|
36
|
36
|
30
|
19
|
23
|
20
|
22
|
26
|
38
|
39
|
43
|
34
|
35
|
30
|
21
|
23
|
19
|
26
|
11
|
14
|
23
|
38
|
49
|
58
|
52
|
|
|
2025/08
|
31
|
32
|
21
|
19
|
22
|
14
|
14
|
19
|
26
|
29
|
34
|
38
|
29
|
21
|
13
|
21
|
23
|
24
|
15
|
19
|
19
|
21
|
25
|
23
|
22
|
20
|
27
|
31
|
23
|
23
|
20
|
|
2025/07
|
20
|
19
|
23
|
28
|
38
|
43
|
50
|
37
|
36
|
26
|
26
|
28
|
33
|
36
|
27
|
29
|
33
|
45
|
35
|
37
|
26
|
12
|
13
|
22
|
21
|
28
|
19
|
20
|
25
|
21
|
22
|
|
2025/06
|
16
|
20
|
38
|
45
|
49
|
42
|
31
|
26
|
37
|
43
|
38
|
24
|
34
|
20
|
15
|
25
|
16
|
13
|
17
|
26
|
26
|
12
|
26
|
19
|
38
|
31
|
17
|
18
|
24
|
21
|
|
|
2025/05
|
54
|
60
|
63
|
54
|
40
|
51
|
67
|
45
|
30
|
51
|
58
|
74
|
61
|
47
|
66
|
26
|
29
|
26
|
28
|
21
|
22
|
26
|
26
|
54
|
52
|
52
|
52
|
15
|
20
|
32
|
14
|
|
2025/04
|
66
|
67
|
70
|
106
|
96
|
87
|
77
|
69
|
71
|
51
|
54
|
213
|
200
|
133
|
92
|
71
|
82
|
65
|
29
|
28
|
38
|
36
|
55
|
31
|
28
|
37
|
27
|
40
|
59
|
53
|
|
|
2025/03
|
35
|
33
|
16
|
23
|
39
|
43
|
56
|
48
|
46
|
45
|
48
|
44
|
52
|
24
|
20
|
46
|
45
|
40
|
46
|
53
|
60
|
61
|
78
|
80
|
76
|
72
|
72
|
59
|
46
|
21
|
46
|
|
2025/02
|
35
|
29
|
52
|
67
|
78
|
77
|
65
|
55
|
50
|
53
|
71
|
74
|
94
|
112
|
57
|
40
|
51
|
43
|
33
|
21
|
77
|
31
|
37
|
83
|
100
|
95
|
50
|
36
|
|||
|
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
|
10
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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