AQSQID: 490530007

Site Name: Hurricane

Location: Hurricane (N 870 W), UT

Reporting: True, Located: True

Current AQI: 26.0

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
March 29, 2020, 7 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
March 29, 2020, 6 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
March 29, 2020, 5 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
March 29, 2020, 4 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 29, 2020, 3 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 4.8 μg/m3 (20) 28.0
 
March 29, 2020, 2 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 4.1 μg/m3 (17) 32.0
 
March 29, 2020, 1 a.m. 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 3.6 μg/m3 (15) 35.0
 
March 29, 2020, midnight 1.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 2.7 μg/m3 (11) 36.0
 
March 28, 2020, 11 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 28, 2020, 10 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
March 28, 2020, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 2.2 μg/m3 (9) 38.0
 
March 28, 2020, 8 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
March 28, 2020, 7 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
March 28, 2020, 6 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.6 μg/m3 (7) 33.0
 
March 28, 2020, 5 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
March 28, 2020, 4 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
March 28, 2020, 3 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
March 28, 2020, 2 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 1.5 μg/m3 (6) 20.0
 
March 28, 2020, 1 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 1.5 μg/m3 (6) 19.0
 
March 28, 2020, noon 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 1.4 μg/m3 (6) 21.0
 
March 28, 2020, 11 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 1.7 μg/m3 (7) 20.0
 
March 28, 2020, 10 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
March 28, 2020, 9 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
March 28, 2020, 8 a.m. 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
March 28, 2020, 7 a.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
March 28, 2020, 6 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
March 28, 2020, 5 a.m. 3.2 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
March 28, 2020, 4 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
March 28, 2020, 3 a.m. 1.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
March 28, 2020, 2 a.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
March 28, 2020, 1 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
March 28, 2020, midnight 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
March 27, 2020, 11 p.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 1.2 μg/m3 (5) 33.0
 
March 27, 2020, 10 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
March 27, 2020, 9 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
March 27, 2020, 8 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
March 27, 2020, 7 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
March 27, 2020, 6 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
March 27, 2020, 5 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
March 27, 2020, 4 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.6 μg/m3 (2) 32.0
 
March 27, 2020, 3 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
March 27, 2020, 2 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 2.3 μg/m3 (10) 32.0
 
March 27, 2020, 1 p.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 27, 2020, noon 5.3 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
March 27, 2020, 11 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
March 27, 2020, 10 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
March 27, 2020, 9 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 27, 2020, 8 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
March 27, 2020, 7 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 27, 2020, 6 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 27, 2020, 5 a.m. 0.5 ppb (0) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
March 27, 2020, 4 a.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
March 27, 2020, 3 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 2.1 μg/m3 (9) 33.0
 
March 27, 2020, 2 a.m. 2.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 1.5 μg/m3 (6) 35.0
 
March 27, 2020, 1 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
March 27, 2020, midnight 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
March 26, 2020, 11 p.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 1.4 μg/m3 (6) 40.0
 
March 26, 2020, 10 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 1.3 μg/m3 (5) 40.0
 
March 26, 2020, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 1.1 μg/m3 (5) 40.0
 
March 26, 2020, 8 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
March 26, 2020, 7 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
March 26, 2020, 6 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.3 μg/m3 (5) 38.0
 
March 26, 2020, 5 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.5 μg/m3 (6) 37.0
 
March 26, 2020, 4 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
March 26, 2020, 3 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
March 26, 2020, 2 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0
 
March 26, 2020, 1 p.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
March 26, 2020, noon 3.3 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
March 26, 2020, 11 a.m. N/A -0.2 ppb (0) N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
March 26, 2020, 10 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
March 26, 2020, 9 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
March 26, 2020, 8 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.6 μg/m3 (7) 34.0
 
March 26, 2020, 7 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 26, 2020, 6 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.5 μg/m3 (6) 34.0
 
March 26, 2020, 5 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.5 μg/m3 (6) 35.0
 
March 26, 2020, 4 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.4 μg/m3 (6) 37.0
 
March 26, 2020, 3 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
March 26, 2020, 2 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
March 26, 2020, 1 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 2.2 μg/m3 (9) 40.0
 
March 26, 2020, midnight 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 2.1 μg/m3 (9) 42.0
 
March 25, 2020, 11 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 2.6 μg/m3 (11) 42.0
 
March 25, 2020, 10 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 1.9 μg/m3 (8) 40.0
 
March 25, 2020, 9 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 1.5 μg/m3 (6) 41.0
 
March 25, 2020, 8 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 1.6 μg/m3 (7) 41.0
 
March 25, 2020, 7 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 1.5 μg/m3 (6) 39.0
 
March 25, 2020, 6 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.3 μg/m3 (5) 38.0
 
March 25, 2020, 5 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
March 25, 2020, 4 p.m. 3.0 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
March 25, 2020, 3 p.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 1.3 μg/m3 (5) 30.0
 
March 25, 2020, 2 p.m. 6.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
March 25, 2020, 1 p.m. 12.4 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
March 25, 2020, noon 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 1.2 μg/m3 (5) 26.0
 
March 25, 2020, 11 a.m. N/A -0.2 ppb (0) N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
March 25, 2020, 10 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
March 25, 2020, 9 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
March 25, 2020, 8 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
March 25, 2020, 7 a.m. 0.6 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
March 25, 2020, 6 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
March 25, 2020, 5 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
March 25, 2020, 4 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
March 25, 2020, 3 a.m. 4.7 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
March 25, 2020, 2 a.m. 4.5 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 1.8 μg/m3 (8) 29.0
 
March 25, 2020, 1 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
March 25, 2020, midnight 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 24, 2020, 11 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
March 24, 2020, 10 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
March 24, 2020, 9 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 0.8 μg/m3 (3) 38.0
 
March 24, 2020, 8 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 0.7 μg/m3 (3) 37.0
 
March 24, 2020, 7 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
March 24, 2020, 6 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
March 24, 2020, 5 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 0.6 μg/m3 (2) 32.0
 
March 24, 2020, 4 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
March 24, 2020, 3 p.m. 7.5 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 1.4 μg/m3 (6) 19.0
 
March 24, 2020, 2 p.m. 33.3 ppb (31) 19.5 ppb (18) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A N/A 3.3 μg/m3 (14) 31.0
 
March 24, 2020, 1 p.m. 35.1 ppb (32) 16.1 ppb (15) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 32.0
 
March 24, 2020, noon 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 1.6 μg/m3 (7) 16.0
 
March 24, 2020, 11 a.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 0.8 μg/m3 (3) 21.0
 
March 24, 2020, 10 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
March 24, 2020, 9 a.m. 1.4 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
March 24, 2020, 8 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
March 24, 2020, 7 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
March 24, 2020, 6 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
March 24, 2020, 5 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 0.9 μg/m3 (4) 24.0
 
March 24, 2020, 4 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 0.6 μg/m3 (2) 26.0
 
March 24, 2020, 3 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 0.6 μg/m3 (2) 29.0
 
March 24, 2020, 2 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
March 24, 2020, 1 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
March 24, 2020, midnight 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
March 23, 2020, 11 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 0.5 μg/m3 (2) 39.0
 
March 23, 2020, 10 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 0.4 μg/m3 (2) 38.0
 
March 23, 2020, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 0.3 μg/m3 (1) 36.0
 
March 23, 2020, 8 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
March 23, 2020, 7 p.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 23, 2020, 6 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 0.8 μg/m3 (3) 33.0
 
March 23, 2020, 5 p.m. 2.7 ppb (3) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
March 23, 2020, 4 p.m. 5.7 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
March 23, 2020, 3 p.m. 12.9 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A N/A 3.1 μg/m3 (13) 14.0
 
March 23, 2020, 2 p.m. 9.5 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A N/A 2.5 μg/m3 (10) 15.0
 
March 23, 2020, 1 p.m. 5.3 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 1.4 μg/m3 (6) 21.0
 
March 23, 2020, noon 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
March 23, 2020, 11 a.m. 0.4 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
March 23, 2020, 10 a.m. 0.3 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 1.1 μg/m3 (5) 23.0
 
March 23, 2020, 9 a.m. 0.3 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
March 23, 2020, 8 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
March 23, 2020, 7 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
March 23, 2020, 6 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
March 23, 2020, 5 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
March 23, 2020, 4 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
March 23, 2020, 3 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
March 23, 2020, 2 a.m. 4.0 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 3.6 μg/m3 (15) 30.0
 
March 23, 2020, 1 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
March 23, 2020, midnight 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.4 μg/m3 (6) 37.0
 
March 22, 2020, 11 p.m. 0.3 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.3 μg/m3 (5) 37.0
 
March 22, 2020, 10 p.m. 0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
March 22, 2020, 9 p.m. 0.4 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.3 μg/m3 (5) 38.0
 
March 22, 2020, 8 p.m. 0.4 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.3 μg/m3 (5) 38.0
 
March 22, 2020, 7 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
March 22, 2020, 6 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 2.2 μg/m3 (9) 29.0
 
March 22, 2020, 5 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 2.5 μg/m3 (10) 26.0
 
March 22, 2020, 4 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
March 22, 2020, 3 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
March 22, 2020, 2 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 2.7 μg/m3 (11) 18.0
 
March 22, 2020, 1 p.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 2.9 μg/m3 (12) 19.0
 
March 22, 2020, noon 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 3.2 μg/m3 (13) 19.0
 
March 22, 2020, 11 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 3.9 μg/m3 (16) 20.0
 
March 22, 2020, 10 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
March 22, 2020, 9 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 6.2 μg/m3 (26) 26.0
 
March 22, 2020, 8 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0