Air Quality
Excellent
No health implications.
6
PM2.5
27
PM10
45
O3
0.3
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
54
Good
Tue
18 Nov
51
Good
Wed
19 Nov
65
Good
Thu
20 Nov
70
Good
Fri
21 Nov
84
Good
Sat
22 Nov
86
Good
Sun
23 Nov
50
Excellent
Houma Air quality rank
Air quality in the last 12 months (Houma)
|
2025/10
|
49
|
38
|
48
|
47
|
41
|
21
|
26
|
34
|
22
|
20
|
22
|
26
|
43
|
54
|
37
|
41
|
24
|
29
|
48
|
36
|
38
|
56
|
70
|
80
|
47
|
70
|
60
|
72
|
91
|
123
|
82
|
|
2025/09
|
45
|
39
|
22
|
17
|
28
|
59
|
63
|
58
|
41
|
43
|
23
|
26
|
42
|
51
|
43
|
39
|
26
|
27
|
26
|
52
|
30
|
29
|
36
|
49
|
50
|
37
|
40
|
55
|
57
|
64
|
|
|
2025/08
|
39
|
42
|
40
|
44
|
33
|
35
|
42
|
38
|
30
|
32
|
40
|
45
|
52
|
48
|
29
|
17
|
33
|
36
|
32
|
34
|
28
|
44
|
34
|
29
|
44
|
36
|
34
|
25
|
31
|
48
|
49
|
|
2025/07
|
33
|
29
|
31
|
35
|
17
|
32
|
25
|
31
|
38
|
43
|
54
|
51
|
48
|
45
|
45
|
52
|
47
|
44
|
43
|
40
|
44
|
45
|
25
|
22
|
30
|
35
|
36
|
32
|
38
|
38
|
36
|
|
2025/06
|
53
|
48
|
38
|
48
|
49
|
52
|
66
|
58
|
62
|
58
|
59
|
54
|
53
|
37
|
33
|
40
|
44
|
44
|
33
|
43
|
37
|
43
|
42
|
39
|
53
|
38
|
45
|
27
|
40
|
36
|
|
|
2025/05
|
74
|
82
|
51
|
61
|
180
|
191
|
123
|
84
|
59
|
43
|
50
|
52
|
60
|
53
|
55
|
65
|
154
|
80
|
82
|
69
|
73
|
71
|
54
|
37
|
48
|
47
|
52
|
61
|
63
|
56
|
60
|
|
2025/04
|
73
|
66
|
69
|
89
|
65
|
82
|
96
|
91
|
77
|
65
|
122
|
224
|
137
|
51
|
56
|
107
|
136
|
118
|
83
|
67
|
86
|
156
|
129
|
67
|
67
|
70
|
62
|
55
|
57
|
110
|
|
|
2025/03
|
90
|
78
|
39
|
47
|
78
|
92
|
78
|
83
|
75
|
90
|
99
|
184
|
110
|
84
|
43
|
31
|
40
|
35
|
43
|
46
|
55
|
70
|
103
|
269
|
204
|
223
|
213
|
173
|
69
|
54
|
61
|
|
2025/02
|
185
|
145
|
29
|
41
|
30
|
78
|
48
|
35
|
61
|
87
|
102
|
69
|
66
|
83
|
89
|
72
|
72
|
85
|
76
|
82
|
116
|
123
|
62
|
60
|
75
|
63
|
81
|
95
|
|||
|
2025/01
|
125
|
103
|
100
|
128
|
116
|
54
|
55
|
53
|
55
|
72
|
72
|
57
|
93
|
73
|
33
|
59
|
94
|
121
|
112
|
119
|
136
|
149
|
148
|
120
|
72
|
72
|
25
|
68
|
153
|
144
|
186
|
|
2024/12
|
82
|
70
|
59
|
74
|
55
|
65
|
46
|
57
|
74
|
104
|
117
|
117
|
68
|
58
|
74
|
86
|
100
|
75
|
71
|
85
|
42
|
75
|
108
|
141
|
164
|
106
|
58
|
59
|
93
|
106
|
76
|
|
2024/11
|
86
|
92
|
100
|
67
|
67
|
78
|
93
|
86
|
74
|
109
|
128
|
154
|
84
|
64
|
83
|
68
|
50
|
51
|
55
|
77
|
88
|
105
|
113
|
108
|
48
|
41
|
73
|
50
|
49
|
66
|
|
|
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