Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
27
O3
0.7
CO
10
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
51
Good
Wed
1 Jul
52
Good
Thu
2 Jul
54
Good
Fri
3 Jul
49
Excellent
Sat
4 Jul
85
Good
Sun
5 Jul
51
Good
Mon
6 Jul
27
Excellent
Air quality in the last 12 months (Hengnan)
|
2026/05
|
41
|
31
|
29
|
45
|
56
|
53
|
34
|
34
|
38
|
57
|
63
|
80
|
27
|
30
|
41
|
37
|
19
|
20
|
25
|
24
|
29
|
17
|
20
|
22
|
28
|
30
|
35
|
38
|
42
|
45
|
53
|
|
2026/04
|
36
|
41
|
24
|
39
|
55
|
36
|
42
|
49
|
50
|
42
|
27
|
29
|
36
|
23
|
24
|
23
|
38
|
45
|
48
|
45
|
16
|
17
|
28
|
43
|
46
|
57
|
58
|
43
|
28
|
32
|
|
|
2026/03
|
14
|
22
|
43
|
68
|
48
|
50
|
67
|
36
|
27
|
59
|
49
|
54
|
55
|
60
|
105
|
37
|
40
|
22
|
31
|
25
|
39
|
38
|
31
|
25
|
67
|
40
|
38
|
40
|
44
|
26
|
28
|
|
2026/02
|
47
|
56
|
59
|
81
|
97
|
68
|
68
|
59
|
55
|
60
|
63
|
72
|
64
|
62
|
71
|
25
|
91
|
73
|
52
|
44
|
60
|
67
|
55
|
35
|
49
|
31
|
18
|
24
|
|||
|
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
|
|
|
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