AQSQID: 000091101

Site Name: Elk Island

Location: Improvement Dist No. 13 (Rng Rd 203 Rng Rd), CC

Reporting: True, Located: True

Current AQI: 35.0

Improvement Dist No. 13 (Rng Rd 203 Rng Rd) CC, CA: 53.6825, -112.8686

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 9, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.2 μg/m3 (0) 35.0
 
April 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -0.7 μg/m3 (0) 35.0
 
April 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.7 μg/m3 (0) 35.0
 
April 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.7 μg/m3 (0) 35.0
 
April 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.8 μg/m3 (0) 35.0
 
April 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.9 μg/m3 (0) 35.0
 
April 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A -0.8 μg/m3 (0) 34.0
 
April 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.3 μg/m3 (1) 33.0
 
April 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.6 μg/m3 (2) 33.0
 
April 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.6 μg/m3 (2) 32.0
 
April 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
April 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
April 8, 2020, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.2 μg/m3 (5) 32.0
 
April 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.5 μg/m3 (6) 33.0
 
April 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.3 μg/m3 (10) 33.0
 
April 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 3.4 μg/m3 (14) 35.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.1 μg/m3 (13) 33.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.7 μg/m3 (7) 33.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.2 μg/m3 (5) 36.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.7 μg/m3 (7) 39.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.3 μg/m3 (5) 39.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.6 μg/m3 (7) 40.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.2 μg/m3 (9) 40.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.6 μg/m3 (7) 39.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.6 μg/m3 (7) 40.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.9 μg/m3 (8) 40.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
April 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.5 μg/m3 (10) 39.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.8 μg/m3 (16) 37.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.1 μg/m3 (17) 37.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 8.3 μg/m3 (35) 35.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 13.7 μg/m3 (54) 54.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 14.1 μg/m3 (54) 54.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 14.2 μg/m3 (55) 55.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 15.6 μg/m3 (58) 58.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 16.2 μg/m3 (59) 59.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 19.9 μg/m3 (67) 67.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 19.6 μg/m3 (66) 66.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 14.6 μg/m3 (56) 56.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 10.3 μg/m3 (43) 43.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 13.8 μg/m3 (54) 54.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 13.1 μg/m3 (52) 52.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 13.7 μg/m3 (54) 54.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 23.4 μg/m3 (74) 74.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 23.7 μg/m3 (75) 75.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 12.4 μg/m3 (51) 51.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.6 μg/m3 (48) 48.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.4 μg/m3 (31) 31.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.2 μg/m3 (30) 30.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.3 μg/m3 (30) 30.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.9 μg/m3 (29) 34.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.5 μg/m3 (27) 35.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 5.1 μg/m3 (21) 35.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.2 μg/m3 (22) 37.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.8 μg/m3 (20) 38.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.1 μg/m3 (17) 37.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.8 μg/m3 (16) 37.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.2 μg/m3 (13) 36.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.1 μg/m3 (17) 32.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.6 μg/m3 (23) 35.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.9 μg/m3 (25) 34.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.8 μg/m3 (24) 34.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.1 μg/m3 (25) 35.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 7.1 μg/m3 (30) 37.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 5.9 μg/m3 (25) 39.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.6 μg/m3 (23) 40.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 6.6 μg/m3 (28) 39.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.1 μg/m3 (30) 38.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 5.1 μg/m3 (21) 38.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.5 μg/m3 (19) 37.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.9 μg/m3 (12) 37.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.3 μg/m3 (10) 36.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.9 μg/m3 (25) 34.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.4 μg/m3 (27) 35.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 7.1 μg/m3 (30) 35.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 8.7 μg/m3 (36) 36.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 9.7 μg/m3 (40) 40.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.3 μg/m3 (43) 43.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.4 μg/m3 (35) 35.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.2 μg/m3 (26) 34.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.3 μg/m3 (26) 35.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.5 μg/m3 (27) 36.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.7 μg/m3 (24) 37.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 5.8 μg/m3 (24) 38.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 6.2 μg/m3 (26) 38.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.7 μg/m3 (15) 38.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.7 μg/m3 (11) 35.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.3 μg/m3 (10) 34.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.4 μg/m3 (23) 23.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.1 μg/m3 (21) 23.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.1 μg/m3 (21) 25.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.5 μg/m3 (19) 27.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.6 μg/m3 (19) 28.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.9 μg/m3 (20) 30.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.9 μg/m3 (8) 34.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.7 μg/m3 (24) 24.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.9 μg/m3 (8) 19.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.9 μg/m3 (8) 19.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.3 μg/m3 (5) 21.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.7 μg/m3 (7) 29.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.4 μg/m3 (6) 30.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.3 μg/m3 (5) 31.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.9 μg/m3 (4) 31.0