state_code
int64
1
80
county_code
int64
1
800
site_num
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1
10k
latitude
float64
18
64.8
longitude
float64
-161.77
-64.93
datum
large_stringclasses
2 values
value
float64
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61.5k
unit
large_stringclasses
4 values
mdl
float64
-50
10
state_name
large_stringclasses
54 values
county_name
large_stringclasses
764 values
pollutant
large_stringclasses
6 values
timestamp
timestamp[us]date
2015-01-01 00:00:00
2020-12-31 23:00:00
aqi
float64
0
500
1
3
10
30.497478
-87.880258
NAD83
0.03
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T01:00:00
28
1
3
10
30.497478
-87.880258
NAD83
0.026
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T03:00:00
24
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T04:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T05:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.026
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T06:00:00
24
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T07:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T08:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T09:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T10:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T11:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T12:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T13:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.026
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T14:00:00
24
1
3
10
30.497478
-87.880258
NAD83
0.026
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T15:00:00
24
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T16:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T17:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T18:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.018
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T19:00:00
17
1
3
10
30.497478
-87.880258
NAD83
0.017
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T20:00:00
16
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T21:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.015
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T22:00:00
14
1
3
10
30.497478
-87.880258
NAD83
0.015
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-01T23:00:00
14
1
3
10
30.497478
-87.880258
NAD83
0.013
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T01:00:00
12
1
3
10
30.497478
-87.880258
NAD83
0.013
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T02:00:00
12
1
3
10
30.497478
-87.880258
NAD83
0.017
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T03:00:00
16
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T04:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.014
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T05:00:00
13
1
3
10
30.497478
-87.880258
NAD83
0.012
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T06:00:00
11
1
3
10
30.497478
-87.880258
NAD83
0.01
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T07:00:00
9
1
3
10
30.497478
-87.880258
NAD83
0.012
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T08:00:00
11
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T09:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T10:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T11:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T12:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T13:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.027
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T14:00:00
25
1
3
10
30.497478
-87.880258
NAD83
0.026
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T15:00:00
24
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T16:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T17:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T18:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.018
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T19:00:00
17
1
3
10
30.497478
-87.880258
NAD83
0.018
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T20:00:00
17
1
3
10
30.497478
-87.880258
NAD83
0.018
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T21:00:00
17
1
3
10
30.497478
-87.880258
NAD83
0.018
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T22:00:00
17
1
3
10
30.497478
-87.880258
NAD83
0.017
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-02T23:00:00
16
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T01:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.014
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T02:00:00
13
1
3
10
30.497478
-87.880258
NAD83
0.012
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T03:00:00
11
1
3
10
30.497478
-87.880258
NAD83
0.016
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T04:00:00
15
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T05:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T06:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.017
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T07:00:00
16
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T08:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T09:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T10:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T11:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T12:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T13:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T14:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T15:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T16:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T17:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T18:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T19:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T20:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.027
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T21:00:00
25
1
3
10
30.497478
-87.880258
NAD83
0.029
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T22:00:00
27
1
3
10
30.497478
-87.880258
NAD83
0.029
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-03T23:00:00
27
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T01:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.03
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T02:00:00
28
1
3
10
30.497478
-87.880258
NAD83
0.03
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T03:00:00
28
1
3
10
30.497478
-87.880258
NAD83
0.028
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T04:00:00
26
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T05:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T06:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T07:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T08:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T09:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T10:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T11:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.025
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T12:00:00
23
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T13:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T14:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.024
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T15:00:00
22
1
3
10
30.497478
-87.880258
NAD83
0.023
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T16:00:00
21
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T17:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T18:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T19:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T20:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T21:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T22:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-04T23:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T01:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T02:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T03:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.022
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T04:00:00
20
1
3
10
30.497478
-87.880258
NAD83
0.021
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T05:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.02
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T06:00:00
19
1
3
10
30.497478
-87.880258
NAD83
0.019
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T07:00:00
18
1
3
10
30.497478
-87.880258
NAD83
0.014
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T08:00:00
13
1
3
10
30.497478
-87.880258
NAD83
0.017
Parts per million
0.005
Alabama
Baldwin
ozone
2015-03-05T09:00:00
16