AQSQID: 060650012

Site Name: Banning - South Hathaway Street

Location: Banning, CA

Reporting: True, Located: True

Current AQI: 74.0

Banning CA, US: 33.9278, -116.8733

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 6 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 23.1 μg/m3 (74) 74.0
 
March 23, 2019, 5 a.m. 7.6 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A 20.0 μg/m3 (67) 67.0
 
March 23, 2019, 4 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 23, 2019, 3 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 23, 2019, 2 a.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 23, 2019, 1 a.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 23, 2019, midnight 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 22, 2019, 11 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 10 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 22, 2019, 9 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 16.3 μg/m3 (59) 59.0
 
March 22, 2019, 8 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 7 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 22, 2019, 6 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 22, 2019, 5 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 12.4 μg/m3 (51) 51.0
 
March 22, 2019, 4 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 13.4 μg/m3 (53) 53.0
 
March 22, 2019, 3 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 22, 2019, 2 p.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 1 p.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 14.6 μg/m3 (56) 56.0
 
March 22, 2019, noon 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 7.7 μg/m3 (32) 32.0
 
March 22, 2019, 11 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 17.7 μg/m3 (62) 62.0
 
March 22, 2019, 10 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 22, 2019, 9 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 16.0 μg/m3 (59) 59.0
 
March 22, 2019, 8 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 22, 2019, 7 a.m. 7.8 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 22, 2019, 6 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 8.2 μg/m3 (34) 34.0
 
March 22, 2019, 5 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 6.2 μg/m3 (26) 29.0
 
March 22, 2019, 4 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
March 22, 2019, 3 a.m. 9.5 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
March 22, 2019, 2 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 5.5 μg/m3 (23) 32.0
 
March 22, 2019, 1 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
March 22, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
March 21, 2019, 11 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
March 21, 2019, 10 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 7.0 μg/m3 (29) 36.0
 
March 21, 2019, 9 p.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
March 21, 2019, 8 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
March 21, 2019, 7 p.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 2.9 μg/m3 (12) 37.0
 
March 21, 2019, 6 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
March 21, 2019, 5 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 8.7 μg/m3 (36) 38.0
 
March 21, 2019, 4 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 21, 2019, 3 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 8.7 μg/m3 (36) 36.0
 
March 21, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 5.8 μg/m3 (24) 34.0
 
March 21, 2019, 1 p.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 5.0 μg/m3 (21) 34.0
 
March 21, 2019, noon 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 6.5 μg/m3 (27) 33.0
 
March 21, 2019, 11 a.m. 0.4 ppb (0) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 21, 2019, 10 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 21, 2019, 9 a.m. 2.4 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
March 21, 2019, 8 a.m. 4.1 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
March 21, 2019, 7 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 7.5 μg/m3 (31) 33.0
 
March 21, 2019, 6 a.m. 4.5 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 6.5 μg/m3 (27) 31.0
 
March 21, 2019, 5 a.m. 8.6 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) N/A N/A 4.5 μg/m3 (19) 31.0
 
March 21, 2019, 4 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 36.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
March 21, 2019, 3 a.m. 6.4 ppb (6) -0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
March 21, 2019, 2 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
March 21, 2019, 1 a.m. 8.1 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
March 21, 2019, midnight 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
March 20, 2019, 11 p.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
March 20, 2019, 10 p.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A N/A 8.0 μg/m3 (33) 36.0
 
March 20, 2019, 9 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 8 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 7 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 20, 2019, 6 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 5 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 20, 2019, 4 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 20, 2019, 3 p.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 13.2 μg/m3 (53) 53.0
 
March 20, 2019, 2 p.m. 8.4 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 20, 2019, 1 p.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 7.5 μg/m3 (31) 31.0
 
March 20, 2019, noon 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 14.8 μg/m3 (56) 56.0
 
March 20, 2019, 11 a.m. 6.5 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 15.8 μg/m3 (58) 58.0
 
March 20, 2019, 10 a.m. 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 21.2 μg/m3 (70) 70.0
 
March 20, 2019, 9 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 20, 2019, 8 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 20, 2019, 7 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 14.9 μg/m3 (56) 56.0
 
March 20, 2019, 6 a.m. 8.7 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 20, 2019, 5 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 10.2 μg/m3 (42) 42.0
 
March 20, 2019, 4 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 3 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 20, 2019, 2 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 20, 2019, 1 a.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A N/A 8.8 μg/m3 (37) 42.0
 
March 20, 2019, midnight 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 7.5 μg/m3 (31) 46.0
 
March 19, 2019, 11 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A 18.3 μg/m3 (63) 63.0
 
March 19, 2019, 10 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A N/A 4.8 μg/m3 (20) 48.0
 
March 19, 2019, 9 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) N/A N/A 2.6 μg/m3 (11) 45.0
 
March 19, 2019, 8 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
March 19, 2019, 7 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 3.8 μg/m3 (16) 44.0
 
March 19, 2019, 6 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
March 19, 2019, 5 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 4 p.m. 6.5 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 19, 2019, 3 p.m. 23.0 ppb (21) 6.5 ppb (6) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) N/A N/A 6.2 μg/m3 (26) 26.0
 
March 19, 2019, 2 p.m. 44.5 ppb (41) 13.6 ppb (13) N/A 31.0 ppb (29) N/A N/A 12.0 ppb (9) N/A N/A 8.0 μg/m3 (33) 41.0
 
March 19, 2019, 1 p.m. 49.6 ppb (46) 12.2 ppb (11) N/A 37.0 ppb (34) N/A N/A 5.0 ppb (4) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 19, 2019, noon 42.0 ppb (39) 7.4 ppb (7) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 19, 2019, 11 a.m. 29.3 ppb (27) 1.5 ppb (1) N/A 28.0 ppb (26) N/A N/A 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 27.0
 
March 19, 2019, 10 a.m. 25.0 ppb (23) 0.7 ppb (1) N/A 24.0 ppb (22) N/A N/A 15.0 ppb (12) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 19, 2019, 9 a.m. 34.3 ppb (32) 3.4 ppb (3) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 8 a.m. 24.2 ppb (22) 0.4 ppb (0) N/A 24.0 ppb (22) N/A N/A 18.0 ppb (14) N/A N/A 14.6 μg/m3 (56) 56.0
 
March 19, 2019, 7 a.m. 22.0 ppb (20) 1.6 ppb (1) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 19, 2019, 6 a.m. 15.5 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 19, 2019, 5 a.m. 28.2 ppb (26) 1.3 ppb (1) N/A 27.0 ppb (25) N/A N/A 16.0 ppb (12) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 4 a.m. 16.8 ppb (16) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 19, 2019, 3 a.m. 22.4 ppb (21) 1.0 ppb (1) N/A 21.0 ppb (19) N/A N/A 28.0 ppb (22) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 19, 2019, 2 a.m. 17.8 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 37.0 ppb (28) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 19, 2019, 1 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 8.8 μg/m3 (37) 40.0
 
March 19, 2019, midnight 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 9.8 μg/m3 (41) 42.0
 
March 18, 2019, 11 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 7.5 μg/m3 (31) 45.0
 
March 18, 2019, 10 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 3.4 μg/m3 (14) 45.0
 
March 18, 2019, 9 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 4.1 μg/m3 (17) 44.0
 
March 18, 2019, 8 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 5.6 μg/m3 (23) 43.0
 
March 18, 2019, 7 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 2.4 μg/m3 (10) 41.0
 
March 18, 2019, 6 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
March 18, 2019, 5 p.m. 6.4 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
March 18, 2019, 4 p.m. 16.6 ppb (15) 6.1 ppb (6) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) N/A N/A 3.1 μg/m3 (13) 27.0
 
March 18, 2019, 3 p.m. 44.0 ppb (41) 19.9 ppb (18) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) N/A N/A 18.2 μg/m3 (63) 63.0
 
March 18, 2019, 2 p.m. 41.0 ppb (38) 10.9 ppb (10) N/A 30.0 ppb (28) N/A N/A 10.0 ppb (8) N/A N/A 7.2 μg/m3 (30) 38.0
 
March 18, 2019, 1 p.m. 57.7 ppb (54) 18.4 ppb (17) N/A 39.0 ppb (36) N/A N/A 2.0 ppb (2) N/A N/A 7.2 μg/m3 (30) 54.0
 
March 18, 2019, noon 35.7 ppb (33) 4.0 ppb (4) N/A 32.0 ppb (30) N/A N/A 8.0 ppb (6) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 18, 2019, 11 a.m. 44.0 ppb (41) 6.1 ppb (6) N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) N/A N/A 8.5 μg/m3 (35) 41.0
 
March 18, 2019, 10 a.m. 27.1 ppb (25) 1.1 ppb (1) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) N/A N/A 6.5 μg/m3 (27) 27.0
 
March 18, 2019, 9 a.m. 39.8 ppb (37) 5.5 ppb (5) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) N/A N/A 7.5 μg/m3 (31) 37.0
 
March 18, 2019, 8 a.m. 35.2 ppb (33) 4.7 ppb (4) N/A 31.0 ppb (29) N/A N/A 7.0 ppb (5) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 7 a.m. 35.5 ppb (33) 1.0 ppb (1) N/A 35.0 ppb (32) N/A N/A 9.0 ppb (7) N/A N/A 6.5 μg/m3 (27) 33.0
 
March 18, 2019, 6 a.m. 23.6 ppb (22) 0.8 ppb (1) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) N/A N/A 21.7 μg/m3 (71) 71.0
 
March 18, 2019, 5 a.m. 57.3 ppb (54) 19.4 ppb (18) N/A 38.0 ppb (35) N/A N/A 8.0 ppb (6) N/A N/A 7.8 μg/m3 (32) 54.0
 
March 18, 2019, 4 a.m. 24.2 ppb (22) 2.4 ppb (2) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 3 a.m. 20.1 ppb (19) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A 29.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 18, 2019, 2 a.m. 6.5 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A 5.6 μg/m3 (23) 33.0
 
March 18, 2019, 1 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A -0.5 μg/m3 (0) 38.0
 
March 18, 2019, midnight 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A -2.7 μg/m3 (0) 41.0
 
March 17, 2019, 11 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A -1.5 μg/m3 (0) 42.0
 
March 17, 2019, 10 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 1.8 μg/m3 (8) 42.0
 
March 17, 2019, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 4.1 μg/m3 (17) 42.0
 
March 17, 2019, 8 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
March 17, 2019, 7 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 6.5 μg/m3 (27) 41.0
 
March 17, 2019, 6 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 8.5 μg/m3 (35) 40.0
 
March 17, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 4 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 17, 2019, 3 p.m. 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 17, 2019, 2 p.m. 16.6 ppb (15) 1.8 ppb (2) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 17, 2019, 1 p.m. 10.9 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 17, 2019, noon 16.4 ppb (15) 4.5 ppb (4) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
March 17, 2019, 11 a.m. 11.9 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
March 17, 2019, 10 a.m. 25.0 ppb (23) 2.6 ppb (2) N/A 22.0 ppb (20) N/A N/A 23.0 ppb (18) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 17, 2019, 9 a.m. 17.3 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 17, 2019, 8 a.m. 18.0 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, 7 a.m. 36.3 ppb (34) 5.4 ppb (5) N/A 31.0 ppb (29) N/A N/A 13.0 ppb (10) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 17, 2019, 6 a.m. 30.2 ppb (28) 1.8 ppb (2) N/A 28.0 ppb (26) N/A N/A 18.0 ppb (14) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 17, 2019, 5 a.m. 29.9 ppb (28) 1.3 ppb (1) N/A 29.0 ppb (27) N/A N/A 19.0 ppb (15) N/A N/A 10.2 μg/m3 (42) 42.0
 
March 17, 2019, 4 a.m. 24.6 ppb (23) 1.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 25.0 ppb (19) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 17, 2019, 3 a.m. 27.6 ppb (26) 1.3 ppb (1) N/A 26.0 ppb (24) N/A N/A 21.0 ppb (16) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 17, 2019, 2 a.m. 7.2 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 1 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 6.3 μg/m3 (26) 39.0
 
March 17, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 2.8 μg/m3 (12) 41.0
 
March 16, 2019, 11 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
March 16, 2019, 10 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 7.7 μg/m3 (32) 42.0
 
March 16, 2019, 9 p.m. 0.4 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (42) N/A N/A 6.3 μg/m3 (26) 42.0
 
March 16, 2019, 8 p.m. 0.3 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 3.1 μg/m3 (13) 41.0
 
March 16, 2019, 7 p.m. 0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
March 16, 2019, 6 p.m. 0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 9.2 μg/m3 (38) 39.0
 
March 16, 2019, 5 p.m. 0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 16, 2019, 4 p.m. 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 16, 2019, 3 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 8.5 μg/m3 (35) 37.0
 
March 16, 2019, 2 p.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A N/A 6.5 μg/m3 (27) 32.0
 
March 16, 2019, 1 p.m. 4.0 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 5.7 μg/m3 (24) 33.0
 
March 16, 2019, noon 11.4 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 16, 2019, 11 a.m. 37.3 ppb (35) 4.4 ppb (4) N/A 33.0 ppb (31) N/A N/A 7.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 35.0
 
March 16, 2019, 10 a.m. 32.5 ppb (30) 2.0 ppb (2) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) N/A N/A 6.5 μg/m3 (27) 30.0
 
March 16, 2019, 9 a.m. 22.3 ppb (21) 0.4 ppb (0) N/A 22.0 ppb (20) N/A N/A 20.0 ppb (15) N/A N/A 8.5 μg/m3 (35) 35.0
 
March 16, 2019, 8 a.m. 24.8 ppb (23) 1.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 7 a.m. 11.1 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A N/A 7.7 μg/m3 (32) 32.0