Air Quality
Excellent
No health implications.
22
PM2.5
41
PM10
6
O3
0.8
CO
3
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Feb
90
Good
Fri
27 Feb
82
Good
Sat
28 Feb
78
Good
Sun
1 Mar
58
Good
Mon
2 Mar
82
Good
Tue
3 Mar
102
Light
Wed
4 Mar
28
Excellent
Air quality in the last 12 months (Huyi)
|
2026/01
|
86
|
142
|
182
|
71
|
57
|
63
|
62
|
82
|
64
|
59
|
83
|
78
|
116
|
105
|
120
|
102
|
134
|
160
|
102
|
43
|
94
|
119
|
159
|
201
|
208
|
161
|
157
|
211
|
185
|
114
|
136
|
|
2025/12
|
96
|
110
|
105
|
122
|
142
|
149
|
69
|
97
|
146
|
156
|
158
|
126
|
90
|
93
|
132
|
117
|
170
|
184
|
120
|
57
|
91
|
131
|
104
|
102
|
79
|
108
|
153
|
175
|
223
|
203
|
134
|
|
2025/11
|
66
|
89
|
120
|
154
|
137
|
84
|
54
|
57
|
69
|
93
|
96
|
100
|
99
|
108
|
117
|
75
|
31
|
33
|
46
|
52
|
77
|
81
|
58
|
96
|
90
|
141
|
161
|
92
|
74
|
64
|
|
|
2025/10
|
23
|
28
|
47
|
29
|
21
|
21
|
14
|
43
|
13
|
12
|
12
|
16
|
32
|
60
|
38
|
45
|
13
|
30
|
41
|
27
|
52
|
69
|
68
|
70
|
59
|
38
|
74
|
67
|
80
|
62
|
65
|
|
2025/09
|
47
|
38
|
40
|
24
|
29
|
50
|
55
|
40
|
53
|
57
|
34
|
21
|
41
|
53
|
54
|
30
|
19
|
11
|
17
|
38
|
25
|
17
|
17
|
36
|
51
|
54
|
46
|
17
|
34
|
44
|
|
|
2025/08
|
44
|
48
|
50
|
52
|
23
|
38
|
46
|
36
|
18
|
22
|
25
|
36
|
40
|
50
|
34
|
26
|
27
|
24
|
26
|
34
|
56
|
36
|
22
|
21
|
45
|
46
|
43
|
17
|
13
|
19
|
23
|
|
2025/07
|
36
|
45
|
33
|
37
|
19
|
25
|
32
|
42
|
46
|
43
|
36
|
51
|
51
|
46
|
34
|
48
|
46
|
28
|
38
|
28
|
33
|
55
|
35
|
22
|
21
|
33
|
31
|
35
|
36
|
47
|
38
|
|
2025/06
|
56
|
46
|
46
|
54
|
49
|
46
|
40
|
37
|
45
|
49
|
63
|
48
|
60
|
47
|
78
|
54
|
67
|
57
|
44
|
45
|
39
|
43
|
34
|
42
|
38
|
34
|
46
|
44
|
42
|
24
|
|
|
2025/05
|
101
|
73
|
82
|
77
|
129
|
475
|
191
|
111
|
85
|
52
|
49
|
59
|
40
|
75
|
75
|
68
|
221
|
119
|
74
|
73
|
77
|
87
|
58
|
55
|
42
|
43
|
56
|
53
|
43
|
57
|
48
|
|
2025/04
|
85
|
99
|
92
|
121
|
103
|
96
|
76
|
93
|
113
|
107
|
126
|
344
|
147
|
85
|
62
|
115
|
118
|
138
|
112
|
73
|
79
|
142
|
100
|
67
|
87
|
77
|
47
|
47
|
61
|
117
|
|
|
2025/03
|
199
|
64
|
29
|
59
|
73
|
76
|
85
|
96
|
83
|
82
|
245
|
239
|
103
|
43
|
54
|
51
|
58
|
49
|
53
|
60
|
71
|
76
|
86
|
66
|
57
|
219
|
220
|
123
|
99
|
87
|
86
|
|
2025/02
|
254
|
123
|
41
|
55
|
56
|
64
|
98
|
45
|
64
|
104
|
138
|
87
|
95
|
97
|
72
|
84
|
99
|
104
|
119
|
117
|
139
|
154
|
83
|
84
|
87
|
87
|
108
|
137
|
|||
|
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