Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
32
O3
0.6
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
39
Excellent
Wed
18 Mar
73
Good
Thu
19 Mar
88
Good
Fri
20 Mar
81
Good
Sat
21 Mar
94
Good
Sun
22 Mar
91
Good
Mon
23 Mar
46
Excellent
Air quality in the last 12 months (Hong'an)
|
2026/02
|
61
|
82
|
82
|
80
|
95
|
98
|
57
|
69
|
58
|
74
|
88
|
95
|
73
|
89
|
94
|
43
|
114
|
84
|
93
|
64
|
49
|
103
|
109
|
36
|
34
|
26
|
54
|
44
|
|||
|
2026/01
|
40
|
63
|
72
|
71
|
84
|
63
|
51
|
57
|
67
|
89
|
71
|
69
|
93
|
86
|
90
|
111
|
142
|
86
|
26
|
51
|
51
|
72
|
91
|
98
|
112
|
138
|
94
|
81
|
70
|
45
|
51
|
|
2025/12
|
97
|
91
|
60
|
62
|
83
|
86
|
92
|
104
|
117
|
117
|
171
|
78
|
45
|
58
|
60
|
76
|
181
|
186
|
126
|
178
|
67
|
46
|
51
|
91
|
73
|
64
|
74
|
91
|
100
|
146
|
68
|
|
2025/11
|
67
|
81
|
77
|
65
|
71
|
75
|
23
|
40
|
62
|
69
|
55
|
39
|
45
|
77
|
86
|
93
|
44
|
25
|
28
|
43
|
61
|
77
|
91
|
104
|
90
|
68
|
120
|
87
|
73
|
74
|
|
|
2025/10
|
37
|
33
|
15
|
37
|
55
|
50
|
34
|
50
|
58
|
29
|
27
|
33
|
14
|
30
|
36
|
24
|
20
|
14
|
18
|
26
|
27
|
33
|
34
|
38
|
63
|
60
|
58
|
64
|
78
|
58
|
51
|
|
2025/09
|
19
|
29
|
33
|
36
|
37
|
31
|
42
|
35
|
21
|
24
|
22
|
14
|
18
|
21
|
24
|
35
|
21
|
13
|
11
|
14
|
29
|
28
|
14
|
10
|
19
|
14
|
23
|
30
|
16
|
21
|
|
|
2025/08
|
26
|
17
|
26
|
34
|
33
|
25
|
19
|
18
|
20
|
18
|
9
|
16
|
16
|
25
|
22
|
25
|
30
|
32
|
25
|
16
|
16
|
17
|
20
|
27
|
31
|
27
|
29
|
30
|
33
|
24
|
20
|
|
2025/07
|
21
|
19
|
20
|
26
|
36
|
33
|
32
|
35
|
17
|
27
|
41
|
23
|
19
|
27
|
32
|
29
|
31
|
30
|
32
|
24
|
17
|
14
|
15
|
19
|
22
|
23
|
21
|
18
|
19
|
24
|
25
|
|
2025/06
|
18
|
24
|
47
|
55
|
43
|
41
|
23
|
20
|
17
|
20
|
29
|
42
|
35
|
26
|
31
|
47
|
36
|
21
|
11
|
18
|
13
|
14
|
22
|
24
|
33
|
23
|
20
|
19
|
12
|
20
|
|
|
2025/05
|
52
|
62
|
52
|
49
|
42
|
117
|
124
|
46
|
45
|
42
|
44
|
47
|
57
|
73
|
58
|
43
|
76
|
122
|
84
|
42
|
33
|
30
|
59
|
58
|
50
|
61
|
62
|
56
|
40
|
38
|
17
|
|
2025/04
|
68
|
70
|
62
|
83
|
81
|
69
|
69
|
70
|
73
|
61
|
53
|
191
|
115
|
88
|
55
|
59
|
67
|
66
|
57
|
59
|
45
|
63
|
68
|
70
|
69
|
52
|
46
|
48
|
44
|
42
|
|
|
2025/03
|
90
|
48
|
24
|
45
|
55
|
75
|
82
|
85
|
95
|
93
|
72
|
95
|
90
|
49
|
41
|
48
|
40
|
50
|
50
|
55
|
50
|
61
|
74
|
66
|
55
|
71
|
103
|
77
|
79
|
71
|
75
|
|
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