AQSQID: 440070030

Site Name: Near Road

Location: Providence, RI

Reporting: True, Located: True

Current AQI: 28.0

Providence RI, US: 41.829495, -71.417457

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2019, 4 p.m. 49570.0 ppb (12410) 30.2 ppb (28) N/A 19.0 ppb (18) N/A N/A N/A 0.47 ppb (5) N/A 4.0 μg/m3 (17) 28.0
 
July 15, 2019, 3 p.m. 46930.0 ppb (11748) 31.2 ppb (29) N/A 16.0 ppb (15) N/A N/A N/A 0.47 ppb (5) N/A 5.0 μg/m3 (21) 29.0
 
July 15, 2019, 2 p.m. 53930.0 ppb (13503) 39.0 ppb (36) N/A 15.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A 7.0 μg/m3 (29) 36.0
 
July 15, 2019, 1 p.m. 63770.0 ppb (15969) 46.7 ppb (43) N/A 17.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A 12.9 μg/m3 (52) 52.0
 
July 15, 2019, noon 65980.0 ppb (16523) 51.1 ppb (47) N/A 15.0 ppb (14) N/A N/A N/A 0.59 ppb (7) N/A 8.0 μg/m3 (33) 47.0
 
July 15, 2019, 11 a.m. 68840.0 ppb (17240) 54.6 ppb (51) N/A 14.0 ppb (13) N/A N/A N/A 0.56 ppb (6) N/A 13.9 μg/m3 (54) 54.0
 
July 15, 2019, 10 a.m. 86410.0 ppb (21643) 72.9 ppb (70) N/A 13.0 ppb (12) N/A N/A N/A 0.82 ppb (9) N/A 8.0 μg/m3 (33) 70.0
 
July 15, 2019, 9 a.m. 68330.0 ppb (17112) 59.8 ppb (56) N/A 9.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A 8.9 μg/m3 (37) 56.0
 
July 15, 2019, 8 a.m. 49910.0 ppb (12495) 36.7 ppb (34) N/A 13.0 ppb (12) N/A N/A N/A 0.46 ppb (5) N/A 7.9 μg/m3 (33) 34.0
 
July 15, 2019, 7 a.m. 34460.0 ppb (8623) 26.5 ppb (25) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 4 a.m. 30660.0 ppb (7671) 20.9 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A 0.38 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
July 15, 2019, 3 a.m. 32410.0 ppb (8109) 21.6 ppb (20) N/A 11.0 ppb (10) N/A N/A N/A 0.74 ppb (8) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 2 a.m. 31200.0 ppb (7806) 18.9 ppb (18) N/A 12.0 ppb (11) N/A N/A N/A 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 1 a.m. 30500.0 ppb (7631) 19.4 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A 0.63 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, midnight 37950.0 ppb (9498) 21.0 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.76 ppb (8) N/A 9.9 μg/m3 (41) 41.0
 
July 14, 2019, 11 p.m. 39830.0 ppb (9969) 21.5 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.67 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 10 p.m. 25970.0 ppb (6495) 14.2 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 9 p.m. 33650.0 ppb (8420) 19.9 ppb (18) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 13.9 μg/m3 (54) 54.0
 
July 14, 2019, 8 p.m. 27430.0 ppb (6861) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 7 p.m. 27350.0 ppb (6841) 16.9 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.65 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 6 p.m. 23450.0 ppb (5864) 12.2 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.58 ppb (6) N/A 10.9 μg/m3 (45) 45.0
 
July 14, 2019, 5 p.m. 24060.0 ppb (6017) 15.8 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.58 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 4 p.m. 22120.0 ppb (5530) 14.3 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 3 p.m. 19560.0 ppb (4889) 10.7 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
July 14, 2019, 2 p.m. 25420.0 ppb (6357) 14.4 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.56 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 1 p.m. 22700.0 ppb (5676) 12.2 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.58 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
July 14, 2019, noon 24430.0 ppb (6109) 12.2 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 11 a.m. 27200.0 ppb (6804) 15.3 ppb (14) N/A 12.0 ppb (11) N/A N/A N/A 0.52 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 10 a.m. 22890.0 ppb (5723) 9.8 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.59 ppb (7) N/A 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 9 a.m. 19740.0 ppb (4934) 7.6 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.46 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 8 a.m. 13720.0 ppb (3425) 4.7 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.46 ppb (5) N/A 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 7 a.m. 17260.0 ppb (4312) 8.0 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.49 ppb (5) N/A 9.9 μg/m3 (41) 41.0
 
July 14, 2019, 6 a.m. 22080.0 ppb (5520) 9.4 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.86 ppb (10) N/A 8.9 μg/m3 (37) 37.0
 
July 14, 2019, 5 a.m. 18580.0 ppb (4643) 7.1 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.63 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 4 a.m. 22730.0 ppb (5683) 9.3 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.58 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 3 a.m. 27240.0 ppb (6814) 12.6 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.76 ppb (8) N/A 16.9 μg/m3 (60) 60.0
 
July 14, 2019, 2 a.m. 28390.0 ppb (7102) 12.0 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.77 ppb (9) N/A 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 1 a.m. 30410.0 ppb (7608) 15.2 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.76 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, midnight 21850.0 ppb (5463) 8.8 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.65 ppb (7) N/A 10.9 μg/m3 (45) 45.0
 
July 13, 2019, 11 p.m. 28820.0 ppb (7210) 15.7 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.82 ppb (9) N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2019, 10 p.m. 25540.0 ppb (6387) 12.8 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.65 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 9 p.m. 25950.0 ppb (6490) 12.6 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.63 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 13, 2019, 8 p.m. 24620.0 ppb (6157) 13.1 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.56 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
July 13, 2019, 7 p.m. 30160.0 ppb (7545) 16.9 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 9.9 μg/m3 (41) 41.0
 
July 13, 2019, 6 p.m. 22700.0 ppb (5676) 10.3 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2019, 5 p.m. 34390.0 ppb (8606) 22.0 ppb (20) N/A 12.0 ppb (11) N/A N/A N/A 0.67 ppb (7) N/A 9.9 μg/m3 (41) 41.0
 
July 13, 2019, 4 p.m. 28930.0 ppb (7237) 17.4 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.62 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 3 p.m. 33570.0 ppb (8400) 22.9 ppb (21) N/A 11.0 ppb (10) N/A N/A N/A 0.62 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
July 13, 2019, 2 p.m. 35820.0 ppb (8964) 24.8 ppb (23) N/A 11.0 ppb (10) N/A N/A N/A 0.62 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 1 p.m. 29760.0 ppb (7445) 18.4 ppb (17) N/A 11.0 ppb (10) N/A N/A N/A 0.53 ppb (6) N/A 8.9 μg/m3 (37) 37.0
 
July 13, 2019, noon 42070.0 ppb (10530) 29.1 ppb (27) N/A 13.0 ppb (12) N/A N/A N/A 0.55 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
July 13, 2019, 11 a.m. 47580.0 ppb (11911) 33.2 ppb (31) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 7.0 μg/m3 (29) 31.0
 
July 13, 2019, 10 a.m. 44080.0 ppb (11034) 34.1 ppb (32) N/A 10.0 ppb (9) N/A N/A N/A 0.59 ppb (7) N/A 6.9 μg/m3 (29) 32.0
 
July 13, 2019, 9 a.m. 42850.0 ppb (10726) 28.8 ppb (27) N/A 14.0 ppb (13) N/A N/A N/A 0.61 ppb (7) N/A 5.9 μg/m3 (25) 27.0
 
July 13, 2019, 8 a.m. 24960.0 ppb (6242) 16.2 ppb (15) N/A 9.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 3.9 μg/m3 (16) 16.0
 
July 13, 2019, 7 a.m. 19870.0 ppb (4966) 11.0 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.55 ppb (6) N/A 2.0 μg/m3 (8) 10.0
 
July 13, 2019, 6 a.m. 23340.0 ppb (5836) 11.6 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.63 ppb (7) N/A 3.0 μg/m3 (12) 12.0
 
July 13, 2019, 5 a.m. 22540.0 ppb (5636) 12.7 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.63 ppb (7) N/A 3.0 μg/m3 (12) 12.0
 
July 13, 2019, 4 a.m. 26420.0 ppb (6608) 16.1 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
July 13, 2019, 3 a.m. 34590.0 ppb (8656) 20.6 ppb (19) N/A 14.0 ppb (13) N/A N/A N/A 0.77 ppb (9) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 2 a.m. 42270.0 ppb (10580) 22.5 ppb (21) N/A 20.0 ppb (19) N/A N/A N/A 0.86 ppb (10) N/A 11.9 μg/m3 (50) 50.0
 
July 13, 2019, 1 a.m. 40660.0 ppb (10177) 23.1 ppb (21) N/A 18.0 ppb (17) N/A N/A N/A 0.91 ppb (10) N/A 5.0 μg/m3 (21) 21.0
 
July 13, 2019, midnight 18990.0 ppb (4746) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2019, 11 p.m. 34340.0 ppb (8593) 15.9 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 10.9 μg/m3 (45) 45.0
 
July 12, 2019, 10 p.m. 33110.0 ppb (8285) 16.7 ppb (15) N/A 16.0 ppb (15) N/A N/A N/A 0.72 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 9 p.m. 20170.0 ppb (5042) 9.1 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 8 p.m. 37490.0 ppb (9382) 23.3 ppb (22) N/A 14.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A 9.9 μg/m3 (41) 41.0
 
July 12, 2019, 7 p.m. 44360.0 ppb (11104) 24.8 ppb (23) N/A 20.0 ppb (19) N/A N/A N/A 0.82 ppb (9) N/A 7.9 μg/m3 (33) 33.0
 
July 12, 2019, 6 p.m. 38270.0 ppb (9578) 22.6 ppb (21) N/A 16.0 ppb (15) N/A N/A N/A 0.64 ppb (7) N/A 8.7 μg/m3 (36) 36.0
 
July 12, 2019, 5 p.m. 35090.0 ppb (8781) 19.6 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A 0.55 ppb (6) N/A N/A 18.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 3 p.m. 45620.0 ppb (11420) 29.5 ppb (27) N/A 16.0 ppb (15) N/A N/A N/A 0.62 ppb (7) N/A 7.9 μg/m3 (33) 33.0
 
July 12, 2019, 2 p.m. 52360.0 ppb (13109) 35.7 ppb (33) N/A 17.0 ppb (16) N/A N/A N/A 0.65 ppb (7) N/A 7.0 μg/m3 (29) 33.0
 
July 12, 2019, 1 p.m. 65850.0 ppb (16490) 42.5 ppb (39) N/A 23.0 ppb (21) N/A N/A N/A 0.68 ppb (8) N/A 8.9 μg/m3 (37) 39.0
 
July 12, 2019, noon 73070.0 ppb (18300) 45.9 ppb (42) N/A 27.0 ppb (25) N/A N/A N/A 0.77 ppb (9) N/A 7.9 μg/m3 (33) 42.0
 
July 12, 2019, 11 a.m. 47280.0 ppb (11836) 27.5 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 10 a.m. 39520.0 ppb (9891) 19.9 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.42 ppb (5) N/A 5.9 μg/m3 (25) 25.0
 
July 12, 2019, 9 a.m. 45360.0 ppb (11355) 26.0 ppb (24) N/A 19.0 ppb (18) N/A N/A N/A 0.48 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
July 12, 2019, 8 a.m. 33350.0 ppb (8345) 20.1 ppb (19) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 12, 2019, 6 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
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 4 a.m. 16000.0 ppb (3996) 6.2 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2019, 3 a.m. 22560.0 ppb (5641) 11.5 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2019, 2 a.m. 18610.0 ppb (4651) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2019, 1 a.m. 22230.0 ppb (5558) 11.7 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, midnight 29300.0 ppb (7330) 16.7 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 11, 2019, 11 p.m. 25920.0 ppb (6483) 14.1 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 9.9 μg/m3 (41) 41.0
 
July 11, 2019, 10 p.m. 30200.0 ppb (7555) 16.2 ppb (15) N/A 14.0 ppb (13) N/A N/A N/A 0.59 ppb (7) N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2019, 9 p.m. 27600.0 ppb (6904) 15.1 ppb (14) N/A 12.0 ppb (11) N/A N/A N/A 0.49 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 8 p.m. 25670.0 ppb (6420) 14.7 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A 16.9 μg/m3 (60) 60.0
 
July 11, 2019, 7 p.m. 34180.0 ppb (8553) 17.9 ppb (17) N/A 16.0 ppb (15) N/A N/A N/A 0.49 ppb (5) N/A 12.9 μg/m3 (52) 52.0
 
July 11, 2019, 6 p.m. 43280.0 ppb (10834) 19.9 ppb (18) N/A 23.0 ppb (21) N/A N/A N/A 0.54 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 11, 2019, 5 p.m. 45930.0 ppb (11498) 19.9 ppb (18) N/A 26.0 ppb (24) N/A N/A N/A 0.53 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 11, 2019, 4 p.m. 35280.0 ppb (8829) 15.4 ppb (14) N/A 20.0 ppb (19) N/A N/A N/A 0.47 ppb (5) N/A 14.9 μg/m3 (56) 56.0
 
July 11, 2019, 3 p.m. 11380.0 ppb (2839) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
July 11, 2019, 2 p.m. 11560.0 ppb (2884) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 16.9 μg/m3 (60) 60.0
 
July 11, 2019, 1 p.m. 45620.0 ppb (11420) 24.2 ppb (22) N/A 21.0 ppb (19) N/A N/A N/A 0.54 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
July 11, 2019, noon 42350.0 ppb (10601) 23.2 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.58 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
July 11, 2019, 11 a.m. 36050.0 ppb (9022) 16.7 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.47 ppb (5) N/A 22.9 μg/m3 (73) 73.0
 
July 11, 2019, 10 a.m. 66030.0 ppb (16535) 41.1 ppb (38) N/A 25.0 ppb (23) N/A N/A N/A 0.7 ppb (8) N/A 20.9 μg/m3 (69) 69.0
 
July 11, 2019, 9 a.m. 57930.0 ppb (14505) 31.7 ppb (29) N/A 26.0 ppb (24) N/A N/A N/A 0.61 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
July 11, 2019, 8 a.m. 36080.0 ppb (9029) 17.4 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
July 11, 2019, 7 a.m. 31620.0 ppb (7911) 15.6 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
July 11, 2019, 6 a.m. 21730.0 ppb (5433) 5.8 ppb (5) N/A 16.0 ppb (15) N/A N/A N/A 0.38 ppb (4) N/A 18.9 μg/m3 (65) 65.0
 
July 11, 2019, 5 a.m. 23540.0 ppb (5886) 7.1 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.56 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
July 11, 2019, 4 a.m. 27350.0 ppb (6841) 8.8 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.45 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
July 11, 2019, 3 a.m. 32490.0 ppb (8129) 10.6 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A 0.65 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
July 11, 2019, 2 a.m. 32930.0 ppb (8240) 9.3 ppb (9) N/A 24.0 ppb (22) N/A N/A N/A 0.68 ppb (8) N/A 23.9 μg/m3 (75) 75.0
 
July 11, 2019, 1 a.m. 35820.0 ppb (8964) 9.9 ppb (9) N/A 26.0 ppb (24) N/A N/A N/A 0.7 ppb (8) N/A 21.9 μg/m3 (71) 71.0
 
July 11, 2019, midnight 37430.0 ppb (9367) 13.6 ppb (13) N/A 24.0 ppb (22) N/A N/A N/A 0.73 ppb (8) N/A 11.9 μg/m3 (50) 50.0
 
July 10, 2019, 11 p.m. 35920.0 ppb (8989) 15.0 ppb (14) N/A 21.0 ppb (19) N/A N/A N/A 0.65 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 10, 2019, 10 p.m. 29850.0 ppb (7468) 11.4 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A 0.55 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 9 p.m. 32420.0 ppb (8112) 13.7 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 12.9 μg/m3 (52) 52.0
 
July 10, 2019, 8 p.m. 30330.0 ppb (7588) 14.2 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.61 ppb (7) N/A 10.9 μg/m3 (45) 45.0
 
July 10, 2019, 7 p.m. 48910.0 ppb (12245) 25.2 ppb (23) N/A 24.0 ppb (22) N/A N/A N/A 0.63 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2019, 6 p.m. 49730.0 ppb (12450) 29.7 ppb (28) N/A 20.0 ppb (19) N/A N/A N/A 0.67 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 5 p.m. 54940.0 ppb (13756) 30.6 ppb (28) N/A 24.0 ppb (22) N/A N/A N/A 0.59 ppb (7) N/A 11.9 μg/m3 (50) 50.0
 
July 10, 2019, 4 p.m. 57740.0 ppb (14458) 34.9 ppb (32) N/A 23.0 ppb (21) N/A N/A N/A 0.61 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2019, 3 p.m. 45010.0 ppb (11267) 25.9 ppb (24) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 2 p.m. 68610.0 ppb (17182) 46.3 ppb (43) N/A 22.0 ppb (20) N/A N/A N/A 0.61 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 1 p.m. 60540.0 ppb (15159) 36.6 ppb (34) N/A 24.0 ppb (22) N/A N/A N/A 0.65 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
July 10, 2019, noon 68220.0 ppb (17084) 47.4 ppb (44) N/A 21.0 ppb (19) N/A N/A N/A 0.77 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
July 10, 2019, 11 a.m. 88660.0 ppb (22207) 67.2 ppb (64) N/A 22.0 ppb (20) N/A N/A N/A 0.89 ppb (10) N/A 15.9 μg/m3 (58) 64.0
 
July 10, 2019, 10 a.m. 101.0 ppb (100) 76.1 ppb (74) N/A 25.0 ppb (23) N/A N/A N/A 0.97 ppb (11) N/A 14.9 μg/m3 (56) 74.0
 
July 10, 2019, 9 a.m. 81000.0 ppb (20287) 60.7 ppb (57) N/A 20.0 ppb (19) N/A N/A N/A 0.82 ppb (9) N/A 13.9 μg/m3 (54) 57.0
 
July 10, 2019, 8 a.m. 57120.0 ppb (14302) 40.2 ppb (37) N/A 17.0 ppb (16) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 7 a.m. 40580.0 ppb (10157) 21.1 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.31 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
July 10, 2019, 6 a.m. 33450.0 ppb (8370) 13.2 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 5 a.m. 46620.0 ppb (11671) 23.0 ppb (21) N/A 24.0 ppb (22) N/A N/A N/A 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 10, 2019, 4 a.m. 34490.0 ppb (8631) 15.2 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.43 ppb (5) N/A 14.9 μg/m3 (56) 56.0
 
July 10, 2019, 3 a.m. 29920.0 ppb (7485) 9.8 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 2 a.m. 42170.0 ppb (10555) 21.0 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A 0.66 ppb (7) N/A 16.9 μg/m3 (60) 60.0
 
July 10, 2019, 1 a.m. 52490.0 ppb (13142) 24.8 ppb (23) N/A 28.0 ppb (26) N/A N/A N/A 0.76 ppb (8) N/A 13.9 μg/m3 (54) 54.0
 
July 10, 2019, midnight 56120.0 ppb (14052) 33.0 ppb (31) N/A 23.0 ppb (21) N/A N/A N/A 0.83 ppb (9) N/A 9.9 μg/m3 (41) 41.0
 
July 9, 2019, 11 p.m. 53300.0 ppb (13345) 30.0 ppb (28) N/A 23.0 ppb (21) N/A N/A N/A 0.88 ppb (10) N/A 7.9 μg/m3 (33) 33.0
 
July 9, 2019, 10 p.m. 40150.0 ppb (10049) 25.1 ppb (23) N/A 15.0 ppb (14) N/A N/A N/A 0.65 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2019, 9 p.m. 35900.0 ppb (8984) 21.7 ppb (20) N/A 14.0 ppb (13) N/A N/A N/A 0.63 ppb (7) N/A 6.9 μg/m3 (29) 29.0
 
July 9, 2019, 8 p.m. 42440.0 ppb (10623) 23.2 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.59 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 9, 2019, 7 p.m. 46680.0 ppb (11686) 29.3 ppb (27) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
July 9, 2019, 6 p.m. 63530.0 ppb (15909) 32.9 ppb (30) N/A 31.0 ppb (29) N/A N/A N/A 0.59 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2019, 5 p.m. 58790.0 ppb (14721) 35.8 ppb (33) N/A 23.0 ppb (21) N/A N/A N/A 0.62 ppb (7) N/A 9.9 μg/m3 (41) 41.0
 
July 9, 2019, 4 p.m. 51620.0 ppb (12924) 30.7 ppb (28) N/A 21.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2019, 3 p.m. 43930.0 ppb (10996) 26.7 ppb (25) N/A 17.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2019, 2 p.m. 52190.0 ppb (13067) 33.7 ppb (31) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 10.9 μg/m3 (45) 45.0
 
July 9, 2019, 1 p.m. 58350.0 ppb (14611) 36.6 ppb (34) N/A 22.0 ppb (20) N/A N/A N/A 0.55 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2019, noon 68860.0 ppb (17245) 44.8 ppb (41) N/A 24.0 ppb (22) N/A N/A N/A 0.65 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
July 9, 2019, 11 a.m. 93600.0 ppb (23445) 70.7 ppb (68) N/A 23.0 ppb (21) N/A N/A N/A 0.88 ppb (10) N/A 19.9 μg/m3 (67) 68.0
 
July 9, 2019, 10 a.m. 85820.0 ppb (21495) 66.3 ppb (63) N/A 20.0 ppb (19) N/A N/A N/A 0.94 ppb (10) N/A 17.9 μg/m3 (63) 63.0
 
July 9, 2019, 9 a.m. 83060.0 ppb (20804) 61.4 ppb (58) N/A 22.0 ppb (20) N/A N/A N/A 0.74 ppb (8) N/A 14.9 μg/m3 (56) 58.0
 
July 9, 2019, 8 a.m. 61700.0 ppb (15450) 41.7 ppb (39) N/A 20.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 9, 2019, 7 a.m. 39600.0 ppb (9911) 21.5 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (4) N/A 16.9 μg/m3 (60) 60.0
 
July 9, 2019, 6 a.m. 53540.0 ppb (13405) 28.1 ppb (26) N/A 25.0 ppb (23) N/A N/A N/A 0.57 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2019, 5 a.m. 51440.0 ppb (12879) 29.6 ppb (27) N/A 22.0 ppb (20) N/A N/A N/A 0.47 ppb (5) N/A 13.9 μg/m3 (54) 54.0
 
July 9, 2019, 4 a.m. 51130.0 ppb (12801) 28.0 ppb (26) N/A 23.0 ppb (21) N/A N/A N/A 0.44 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
July 9, 2019, 3 a.m. 56080.0 ppb (14042) 36.8 ppb (34) N/A 19.0 ppb (18) N/A N/A N/A 0.72 ppb (8) N/A 8.0 μg/m3 (33) 34.0
 
July 9, 2019, 2 a.m. 39490.0 ppb (9884) 20.0 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.62 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2019, 1 a.m. 38630.0 ppb (9668) 19.0 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.58 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2019, midnight 41380.0 ppb (10357) 23.8 ppb (22) N/A 18.0 ppb (17) N/A N/A N/A 0.63 ppb (7) N/A 13.9 μg/m3 (54) 54.0
 
July 8, 2019, 11 p.m. 38690.0 ppb (9683) 16.5 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A 0.61 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
July 8, 2019, 10 p.m. 24600.0 ppb (6152) 9.2 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.45 ppb (5) N/A 3.0 μg/m3 (12) 14.0
 
July 8, 2019, 9 p.m. 38070.0 ppb (9528) 17.0 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 19.0
 
July 8, 2019, 8 p.m. 52390.0 ppb (13117) 28.8 ppb (27) N/A 24.0 ppb (22) N/A N/A N/A 0.63 ppb (7) N/A 5.9 μg/m3 (25) 27.0
 
July 8, 2019, 7 p.m. 39470.0 ppb (9879) 23.8 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
July 8, 2019, 6 p.m. 56360.0 ppb (14112) 35.9 ppb (33) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 6.0 μg/m3 (25) 33.0
 
July 8, 2019, 5 p.m. 36220.0 ppb (9064) 19.5 ppb (18) N/A 17.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 8.9 μg/m3 (37) 37.0