ID: 1805

AQSQID: 000091901

Site Name: Caroline

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

Updated: Feb. 28, 2021, 12:32 p.m.

Location: Clearwater Co (Range Rd 60), CC

Reporting: True, Located: True

Current AQI: 35.0

Clearwater Co (Range Rd 60) CC, CA: 51.95, -114.7

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (11) 11.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.9 μg/m3 (13) 30.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.5 μg/m3 (19) 29.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.5 μg/m3 (23) 29.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.2 μg/m3 (35) 35.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 8.7 μg/m3 (37) 37.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.9 μg/m3 (21) 29.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.4 μg/m3 (23) 34.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.9 μg/m3 (21) 42.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.4 μg/m3 (23) 40.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.8 μg/m3 (29) 40.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.7 μg/m3 (24) 34.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.8 μg/m3 (16) 33.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 7.7 μg/m3 (33) 33.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 10.4 μg/m3 (44) 44.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 12.2 μg/m3 (52) 52.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 13.0 μg/m3 (53) 53.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 16.2 μg/m3 (60) 60.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.4 μg/m3 (40) 40.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.7 μg/m3 (33) 33.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 5.6 μg/m3 (24) 24.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.4 μg/m3 (15) 26.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.4 μg/m3 (15) 26.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.5 μg/m3 (7) 35.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.3 μg/m3 (6) 34.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (3) 3.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.5 μg/m3 (3) 35.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.6 μg/m3 (3) 37.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.5 μg/m3 (3) 38.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.4 μg/m3 (2) 37.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.6 μg/m3 (3) 40.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.5 μg/m3 (3) 40.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.6 μg/m3 (3) 41.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.5 μg/m3 (3) 41.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.6 μg/m3 (3) 42.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.6 μg/m3 (3) 41.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.5 μg/m3 (3) 38.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.6 μg/m3 (3) 39.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.8 μg/m3 (4) 41.0
 
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 0.9 μg/m3 (4) 40.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.1 μg/m3 (5) 42.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.9 μg/m3 (4) 42.0
 
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 1.3 μg/m3 (6) 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 1.3 μg/m3 (6) 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 1.1 μg/m3 (5) 41.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.9 μg/m3 (4) 40.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.8 μg/m3 (4) 40.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.7 μg/m3 (3) 40.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.8 μg/m3 (4) 40.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.5 μg/m3 (3) 41.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.5 μg/m3 (3) 42.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.5 μg/m3 (3) 42.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.4 μg/m3 (2) 41.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.4 μg/m3 (2) 40.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.5 μg/m3 (3) 40.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.9 μg/m3 (4) 39.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.6 μg/m3 (3) 32.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.5 μg/m3 (3) 31.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.8 μg/m3 (4) 37.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.8 μg/m3 (4) 36.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (4) 4.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.9 μg/m3 (4) 36.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.8 μg/m3 (4) 38.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.3 μg/m3 (6) 39.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.7 μg/m3 (3) 40.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.7 μg/m3 (3) 41.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.5 μg/m3 (3) 41.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.5 μg/m3 (3) 41.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.7 μg/m3 (8) 38.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.1 μg/m3 (9) 40.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.9 μg/m3 (8) 41.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.8 μg/m3 (8) 41.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.7 μg/m3 (8) 41.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.4 μg/m3 (6) 40.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.3 μg/m3 (6) 40.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.3 μg/m3 (6) 41.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.2 μg/m3 (5) 42.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.1 μg/m3 (5) 44.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.2 μg/m3 (14) 39.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.3 μg/m3 (6) 41.0
 
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 0.8 μg/m3 (4) 42.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 0.6 μg/m3 (3) 43.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 0.5 μg/m3 (3) 43.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 0.6 μg/m3 (3) 44.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 0.6 μg/m3 (3) 43.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.7 μg/m3 (3) 33.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.7 μg/m3 (3) 34.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.7 μg/m3 (3) 37.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.3 μg/m3 (2) 36.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (2) 2.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.3 μg/m3 (2) 38.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.3 μg/m3 (2) 39.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.3 μg/m3 (2) 39.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.3 μg/m3 (2) 39.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.6 μg/m3 (3) 38.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.5 μg/m3 (3) 40.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.6 μg/m3 (3) 41.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.5 μg/m3 (3) 41.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.6 μg/m3 (3) 41.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.4 μg/m3 (2) 41.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.4 μg/m3 (2) 40.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.5 μg/m3 (3) 40.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.8 μg/m3 (4) 38.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.6 μg/m3 (3) 39.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.5 μg/m3 (3) 39.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.7 μg/m3 (3) 40.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.8 μg/m3 (4) 40.0