ID: 2169

AQSQID: 490530007

Site Name: Hurricane

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

Updated: March 6, 2021, 4:32 a.m.

Location: Hurricane (N 870 W), UT

Reporting: True, Located: True

Current AQI: 39.0

Hurricane (N 870 W) UT, US: 37.179, -113.3052

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 27, 2021, 3 a.m. 9.1 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 2.5 μg/m3 (11) 30.0
 
Feb. 27, 2021, 2 a.m. 12.0 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A N/A 2.5 μg/m3 (11) 28.0
 
Feb. 27, 2021, 1 a.m. 6.5 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 2.5 μg/m3 (11) 36.0
 
Feb. 27, 2021, midnight 4.6 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A 2.5 μg/m3 (11) 40.0
 
Feb. 26, 2021, 11 p.m. 4.7 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) N/A N/A 2.5 μg/m3 (11) 42.0
 
Feb. 26, 2021, 10 p.m. 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 2.5 μg/m3 (11) 43.0
 
Feb. 26, 2021, 9 p.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 2.5 μg/m3 (11) 42.0
 
Feb. 26, 2021, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 2.7 μg/m3 (12) 41.0
 
Feb. 26, 2021, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Feb. 26, 2021, 6 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 3.5 μg/m3 (15) 39.0
 
Feb. 26, 2021, 5 p.m. 6.9 ppb (7) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 4.7 μg/m3 (20) 34.0
 
Feb. 26, 2021, 4 p.m. 4.6 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.9 μg/m3 (17) 31.0
 
Feb. 26, 2021, 3 p.m. 8.4 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Feb. 26, 2021, 2 p.m. 10.0 ppb (10) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) N/A N/A 5.1 μg/m3 (22) 25.0
 
Feb. 26, 2021, 1 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 3.6 μg/m3 (16) 26.0
 
Feb. 26, 2021, noon 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
Feb. 26, 2021, 11 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
Feb. 26, 2021, 10 a.m. 2.6 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
Feb. 26, 2021, 9 a.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Feb. 26, 2021, 8 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
Feb. 26, 2021, 7 a.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 4.6 μg/m3 (20) 31.0
 
Feb. 26, 2021, 6 a.m. 5.6 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Feb. 26, 2021, 5 a.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 5.2 μg/m3 (22) 37.0
 
Feb. 26, 2021, 4 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 2.6 μg/m3 (11) 41.0
 
Feb. 26, 2021, 3 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A 2.3 μg/m3 (10) 44.0
 
Feb. 26, 2021, 2 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A 2.5 μg/m3 (11) 44.0
 
Feb. 26, 2021, 1 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A 2.9 μg/m3 (13) 45.0
 
Feb. 26, 2021, midnight 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 3.4 μg/m3 (15) 46.0
 
Feb. 25, 2021, 11 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A N/A 3.2 μg/m3 (14) 48.0
 
Feb. 25, 2021, 10 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 2.2 μg/m3 (10) 47.0
 
Feb. 25, 2021, 9 p.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 2.6 μg/m3 (11) 46.0
 
Feb. 25, 2021, 8 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 3.3 μg/m3 (14) 46.0
 
Feb. 25, 2021, 7 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A 1.7 μg/m3 (8) 45.0
 
Feb. 25, 2021, 6 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 2.5 μg/m3 (11) 43.0
 
Feb. 25, 2021, 5 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 3.6 μg/m3 (16) 40.0
 
Feb. 25, 2021, 4 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 2.2 μg/m3 (10) 39.0
 
Feb. 25, 2021, 3 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
Feb. 25, 2021, 2 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 2.4 μg/m3 (10) 39.0
 
Feb. 25, 2021, 1 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
Feb. 25, 2021, noon 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 2.2 μg/m3 (10) 39.0
 
Feb. 25, 2021, 11 a.m. N/A 0.1 ppb (1) N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.2 μg/m3 (31) 39.0
 
Feb. 25, 2021, 10 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 25, 2021, 9 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
Feb. 25, 2021, 8 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
Feb. 25, 2021, 7 a.m. 0.8 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
Feb. 25, 2021, 6 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
Feb. 25, 2021, 4 a.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 6.1 μg/m3 (26) 40.0
 
Feb. 25, 2021, 3 a.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 11.2 μg/m3 (47) 47.0
 
Feb. 25, 2021, 2 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 11.9 μg/m3 (50) 50.0
 
Feb. 25, 2021, 1 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 10.9 μg/m3 (46) 46.0
 
Feb. 25, 2021, midnight 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
Feb. 24, 2021, 11 p.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 3.8 μg/m3 (16) 42.0
 
Feb. 24, 2021, 10 p.m. 3.5 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 2.3 μg/m3 (10) 42.0
 
Feb. 24, 2021, 9 p.m. 7.1 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
Feb. 24, 2021, 8 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 1.1 μg/m3 (5) 42.0
 
Feb. 24, 2021, 7 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 24, 2021, 6 p.m. 3.7 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Feb. 24, 2021, 5 p.m. 5.7 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
Feb. 24, 2021, 4 p.m. 8.4 ppb (8) 3.4 ppb (4) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
Feb. 24, 2021, 3 p.m. 11.3 ppb (11) 3.9 ppb (4) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 24, 2021, 2 p.m. 8.8 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
Feb. 24, 2021, 1 p.m. 5.5 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Feb. 24, 2021, noon 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Feb. 24, 2021, 11 a.m. N/A 0.2 ppb (1) N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Feb. 24, 2021, 10 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Feb. 24, 2021, 9 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Feb. 24, 2021, 8 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 24, 2021, 7 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Feb. 24, 2021, 6 a.m. 4.7 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
Feb. 24, 2021, 5 a.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 1.1 μg/m3 (5) 37.0
 
Feb. 24, 2021, 4 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 24, 2021, 3 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 24, 2021, 2 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Feb. 24, 2021, 1 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.1 μg/m3 (5) 41.0
 
Feb. 24, 2021, midnight 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.1 μg/m3 (5) 41.0
 
Feb. 23, 2021, 11 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.1 μg/m3 (5) 41.0
 
Feb. 23, 2021, 10 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) 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. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 23, 2021, 8 p.m. 2.2 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 23, 2021, 7 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Feb. 23, 2021, 6 p.m. 5.5 ppb (6) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 23, 2021, 5 p.m. 6.5 ppb (7) 2.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Feb. 23, 2021, 4 p.m. 9.4 ppb (9) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
Feb. 23, 2021, 3 p.m. 26.1 ppb (25) 13.7 ppb (13) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 25.0
 
Feb. 23, 2021, 2 p.m. 14.1 ppb (14) 3.4 ppb (4) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 18.0
 
Feb. 23, 2021, 1 p.m. 11.8 ppb (12) 1.8 ppb (2) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 18.0
 
Feb. 23, 2021, noon 9.7 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) N/A N/A 1.1 μg/m3 (5) 20.0
 
Feb. 23, 2021, 11 a.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 23, 2021, 10 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 23, 2021, 9 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 23, 2021, 8 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
Feb. 23, 2021, 7 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Feb. 23, 2021, 6 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 1.2 μg/m3 (5) 29.0
 
Feb. 23, 2021, 5 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 23, 2021, 4 a.m. 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 23, 2021, 3 a.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
Feb. 23, 2021, 2 a.m. 4.7 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 1.1 μg/m3 (5) 37.0
 
Feb. 23, 2021, 1 a.m. 11.3 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Feb. 23, 2021, midnight 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
Feb. 22, 2021, 11 p.m. 4.3 ppb (5) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
Feb. 22, 2021, 10 p.m. 3.8 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
Feb. 22, 2021, 9 p.m. 3.4 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Feb. 22, 2021, 8 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Feb. 22, 2021, 7 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 22, 2021, 6 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 1.1 μg/m3 (5) 37.0
 
Feb. 22, 2021, 5 p.m. 3.6 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Feb. 22, 2021, 4 p.m. 9.4 ppb (9) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Feb. 22, 2021, 3 p.m. 17.0 ppb (17) 5.9 ppb (6) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Feb. 22, 2021, 2 p.m. 30.8 ppb (30) 10.3 ppb (10) N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 22, 2021, 1 p.m. 18.3 ppb (18) 1.9 ppb (2) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A N/A 1.1 μg/m3 (5) 18.0
 
Feb. 22, 2021, noon 11.1 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Feb. 22, 2021, 11 a.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 22, 2021, 10 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Feb. 22, 2021, 9 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
Feb. 22, 2021, 8 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
Feb. 22, 2021, 7 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Feb. 22, 2021, 6 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.3 μg/m3 (6) 38.0
 
Feb. 22, 2021, 5 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.2 μg/m3 (5) 39.0
 
Feb. 22, 2021, 4 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.1 μg/m3 (5) 41.0
 
Feb. 22, 2021, 3 a.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 1.5 μg/m3 (7) 40.0
 
Feb. 22, 2021, 2 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
Feb. 22, 2021, 1 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 0.8 μg/m3 (4) 42.0
 
Feb. 22, 2021, midnight 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 0.9 μg/m3 (4) 43.0
 
Feb. 21, 2021, 11 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 0.6 μg/m3 (3) 43.0
 
Feb. 21, 2021, 10 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 0.6 μg/m3 (3) 43.0
 
Feb. 21, 2021, 9 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 0.5 μg/m3 (3) 42.0
 
Feb. 21, 2021, 8 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 21, 2021, 7 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) 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. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 21, 2021, 5 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 21, 2021, 4 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.4 μg/m3 (2) 39.0
 
Feb. 21, 2021, 3 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.6 μg/m3 (3) 37.0
 
Feb. 21, 2021, 2 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 1.0 μg/m3 (5) 32.0
 
Feb. 21, 2021, 1 p.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
Feb. 21, 2021, noon 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 1.5 μg/m3 (7) 30.0
 
Feb. 21, 2021, 11 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
Feb. 21, 2021, 10 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
Feb. 21, 2021, 9 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 1.5 μg/m3 (7) 36.0
 
Feb. 21, 2021, 8 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
Feb. 21, 2021, 7 a.m. 7.1 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 4.8 μg/m3 (20) 28.0
 
Feb. 21, 2021, 6 a.m. 8.8 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 9.2 μg/m3 (39) 39.0
 
Feb. 21, 2021, 5 a.m. 5.9 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 6.4 μg/m3 (27) 29.0
 
Feb. 21, 2021, 4 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
Feb. 21, 2021, 3 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
Feb. 21, 2021, 2 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.5 μg/m3 (7) 39.0
 
Feb. 21, 2021, 1 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.2 μg/m3 (5) 41.0
 
Feb. 21, 2021, midnight 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 1.1 μg/m3 (5) 42.0
 
Feb. 20, 2021, 11 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
Feb. 20, 2021, 10 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
Feb. 20, 2021, 9 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 2.2 μg/m3 (10) 40.0
 
Feb. 20, 2021, 8 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 2.6 μg/m3 (11) 39.0
 
Feb. 20, 2021, 7 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
Feb. 20, 2021, 6 p.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
Feb. 20, 2021, 5 p.m. 3.4 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
Feb. 20, 2021, 4 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Feb. 20, 2021, 3 p.m. 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
Feb. 20, 2021, 2 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
Feb. 20, 2021, 1 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
Feb. 20, 2021, noon 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 2.2 μg/m3 (10) 28.0
 
Feb. 20, 2021, 11 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 2.4 μg/m3 (10) 28.0
 
Feb. 20, 2021, 10 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 2.5 μg/m3 (11) 27.0
 
Feb. 20, 2021, 9 a.m. 3.7 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
Feb. 20, 2021, 8 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
Feb. 20, 2021, 7 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0
 
Feb. 20, 2021, 6 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Feb. 20, 2021, 5 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 5.3 μg/m3 (23) 28.0
 
Feb. 20, 2021, 4 a.m. 8.8 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) N/A N/A 5.1 μg/m3 (22) 27.0