ID: 261

AQSQID: 080690007

Site Name: Rocky Mountain Np

Added: April 21, 2020, 6:24 p.m.

Updated: Feb. 28, 2021, 6:32 a.m.

Location: Estes Park (Hewes Kirkwood), CO

Reporting: True, Located: True

Current AQI: 43.0

Estes Park (Hewes Kirkwood) CO, US: 40.2778, -105.5453

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A -4.0 ppb (0) N/A N/A N/A 0.0
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A N/A N/A 105.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0