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 |