Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Real-time AQI (Monitoring Station in Meishan)
蟆颐观
5035
PM2.5
44
PM10
43
O3
0.6
CO
3
SO2
4
NO2
气象局
4531
PM2.5
40
PM10
16
O3
0.6
CO
4
SO2
34
NO2
Air quality in the last 12 months (Meishan)
|
2025/01
|
121
|
140
|
135
|
167
|
108
|
101
|
86
|
62
|
63
|
61
|
52
|
87
|
100
|
76
|
74
|
86
|
104
|
69
|
77
|
91
|
133
|
199
|
198
|
108
|
39
|
62
|
77
|
87
|
231
|
115
|
69
|
|
2024/12
|
79
|
120
|
132
|
96
|
57
|
49
|
45
|
25
|
33
|
54
|
63
|
68
|
51
|
53
|
53
|
69
|
95
|
133
|
122
|
116
|
125
|
60
|
76
|
65
|
70
|
74
|
98
|
71
|
89
|
78
|
72
|
|
2024/11
|
36
|
40
|
48
|
33
|
34
|
56
|
59
|
60
|
56
|
37
|
45
|
42
|
33
|
45
|
65
|
49
|
32
|
18
|
24
|
32
|
48
|
49
|
63
|
57
|
24
|
35
|
44
|
52
|
55
|
67
|
|
|
2024/10
|
26
|
32
|
25
|
23
|
36
|
41
|
39
|
42
|
57
|
43
|
40
|
30
|
34
|
41
|
53
|
65
|
23
|
33
|
24
|
16
|
18
|
33
|
42
|
59
|
49
|
34
|
33
|
43
|
65
|
56
|
53
|
|
2024/09
|
27
|
34
|
28
|
35
|
26
|
30
|
33
|
44
|
33
|
23
|
26
|
37
|
38
|
29
|
26
|
30
|
31
|
40
|
47
|
45
|
23
|
33
|
46
|
52
|
64
|
71
|
62
|
77
|
53
|
15
|
|
|
2024/08
|
41
|
42
|
32
|
19
|
22
|
32
|
32
|
28
|
39
|
32
|
50
|
51
|
50
|
53
|
36
|
35
|
37
|
28
|
31
|
45
|
50
|
58
|
60
|
45
|
55
|
36
|
44
|
49
|
45
|
38
|
39
|
|
2024/07
|
24
|
27
|
30
|
22
|
42
|
38
|
50
|
23
|
13
|
15
|
22
|
24
|
25
|
17
|
17
|
24
|
30
|
16
|
20
|
25
|
31
|
25
|
35
|
23
|
27
|
53
|
39
|
25
|
22
|
30
|
32
|
|
2024/06
|
50
|
32
|
41
|
32
|
26
|
38
|
39
|
39
|
27
|
38
|
37
|
25
|
33
|
46
|
48
|
42
|
27
|
31
|
32
|
29
|
29
|
25
|
30
|
33
|
25
|
24
|
24
|
36
|
27
|
27
|
|
|
2024/05
|
39
|
32
|
28
|
25
|
42
|
53
|
60
|
55
|
37
|
50
|
44
|
48
|
43
|
51
|
54
|
49
|
71
|
40
|
39
|
26
|
28
|
42
|
45
|
45
|
51
|
36
|
42
|
26
|
20
|
28
|
46
|
|
2024/04
|
43
|
65
|
54
|
51
|
36
|
29
|
30
|
29
|
34
|
36
|
29
|
37
|
45
|
64
|
65
|
42
|
35
|
22
|
26
|
45
|
65
|
60
|
33
|
30
|
39
|
78
|
82
|
108
|
64
|
27
|
|
|
2024/03
|
55
|
54
|
75
|
99
|
80
|
58
|
62
|
77
|
90
|
108
|
53
|
72
|
49
|
37
|
56
|
62
|
89
|
53
|
53
|
60
|
59
|
72
|
83
|
54
|
25
|
42
|
46
|
35
|
42
|
46
|
35
|
|
2024/02
|
90
|
70
|
36
|
30
|
38
|
59
|
61
|
74
|
75
|
171
|
97
|
105
|
96
|
89
|
45
|
37
|
47
|
67
|
119
|
200
|
54
|
45
|
27
|
42
|
53
|
52
|
64
|
80
|
54
|
||
|
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
*: primary pollution