AQSQID: 440070030

Site Name: Near Road

Location: Providence, RI

Reporting: True, Located: True

Current AQI: 104.0

Providence RI, US: 41.829495, -71.417457

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 22, 2019, midnight N/A 121.6 ppb (104) N/A 38.0 ppb (35) N/A N/A N/A 1.79 ppb (20) N/A 14.9 μg/m3 (56) 104.0
 
Nov. 21, 2019, 11 p.m. N/A 78.0 ppb (76) N/A 40.0 ppb (37) N/A N/A N/A 1.29 ppb (14) N/A 11.0 μg/m3 (46) 76.0
 
Nov. 21, 2019, 10 p.m. N/A 90.1 ppb (88) N/A 36.0 ppb (33) N/A N/A N/A 1.59 ppb (18) N/A 11.9 μg/m3 (50) 88.0
 
Nov. 21, 2019, 9 p.m. N/A 73.4 ppb (71) N/A 28.0 ppb (26) N/A N/A N/A 1.04 ppb (12) N/A 8.9 μg/m3 (37) 71.0
 
Nov. 21, 2019, 8 p.m. 86970.0 ppb (21783) 59.3 ppb (56) N/A 28.0 ppb (26) N/A N/A N/A 0.83 ppb (9) N/A 6.9 μg/m3 (29) 56.0
 
Nov. 21, 2019, 7 p.m. 73630.0 ppb (18440) 52.5 ppb (49) N/A 21.0 ppb (19) N/A N/A N/A 0.74 ppb (8) N/A 6.0 μg/m3 (25) 49.0
 
Nov. 21, 2019, 6 p.m. 74130.0 ppb (18565) 48.4 ppb (45) N/A 26.0 ppb (24) N/A N/A N/A 0.59 ppb (7) N/A 9.0 μg/m3 (38) 45.0
 
Nov. 21, 2019, 5 p.m. 56980.0 ppb (14267) 39.0 ppb (36) N/A 18.0 ppb (17) N/A N/A N/A 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 21, 2019, 4 p.m. 77780.0 ppb (19480) 57.7 ppb (54) N/A 20.0 ppb (19) N/A N/A N/A 0.55 ppb (6) N/A 9.9 μg/m3 (41) 54.0
 
Nov. 21, 2019, 3 p.m. 78980.0 ppb (19781) 58.6 ppb (55) N/A 20.0 ppb (19) N/A N/A N/A 0.56 ppb (6) N/A 6.0 μg/m3 (25) 55.0
 
Nov. 21, 2019, 2 p.m. 83230.0 ppb (20846) 63.0 ppb (60) N/A 20.0 ppb (19) N/A N/A N/A 0.63 ppb (7) N/A 6.0 μg/m3 (25) 60.0
 
Nov. 21, 2019, 1 p.m. 78830.0 ppb (19743) 59.0 ppb (55) N/A 20.0 ppb (19) N/A N/A N/A 0.65 ppb (7) N/A 11.0 μg/m3 (46) 55.0
 
Nov. 21, 2019, noon 108.7 ppb (101) 82.7 ppb (81) N/A 26.0 ppb (24) N/A N/A N/A 0.82 ppb (9) N/A 11.9 μg/m3 (50) 81.0
 
Nov. 21, 2019, 11 a.m. 103.2 ppb (100) 77.7 ppb (75) N/A 26.0 ppb (24) N/A N/A N/A 0.68 ppb (8) N/A 8.9 μg/m3 (37) 75.0
 
Nov. 21, 2019, 10 a.m. 98600.0 ppb (24698) 73.9 ppb (71) N/A 25.0 ppb (23) N/A N/A N/A 0.65 ppb (7) N/A 5.0 μg/m3 (21) 71.0
 
Nov. 21, 2019, 9 a.m. 74470.0 ppb (18651) 53.1 ppb (49) N/A 21.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 5.0 μg/m3 (21) 49.0
 
Nov. 21, 2019, 8 a.m. 43860.0 ppb (10979) 27.6 ppb (26) N/A 16.0 ppb (15) N/A N/A N/A 0.33 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 21, 2019, 7 a.m. 33920.0 ppb (8488) 20.4 ppb (19) N/A 14.0 ppb (13) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
Nov. 21, 2019, 6 a.m. 29150.0 ppb (7292) 19.2 ppb (18) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 21, 2019, 5 a.m. 38180.0 ppb (9555) 22.3 ppb (21) N/A 16.0 ppb (15) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 21, 2019, 4 a.m. 36880.0 ppb (9230) 23.5 ppb (22) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 21, 2019, 3 a.m. 44610.0 ppb (11167) 27.3 ppb (25) N/A 17.0 ppb (16) N/A N/A N/A 0.58 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 21, 2019, 2 a.m. 44130.0 ppb (11047) 29.8 ppb (28) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 4.0 μg/m3 (17) 28.0
 
Nov. 21, 2019, 1 a.m. 42000.0 ppb (10513) 27.2 ppb (25) N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Nov. 21, 2019, midnight 46120.0 ppb (11545) 30.7 ppb (28) N/A 15.0 ppb (14) N/A N/A N/A 0.58 ppb (6) N/A 5.9 μg/m3 (25) 28.0
 
Nov. 20, 2019, 11 p.m. 59390.0 ppb (14871) 41.1 ppb (38) N/A 18.0 ppb (17) N/A N/A N/A 0.68 ppb (8) N/A 4.0 μg/m3 (17) 38.0
 
Nov. 20, 2019, 10 p.m. 62470.0 ppb (15643) 45.5 ppb (42) N/A 17.0 ppb (16) N/A N/A N/A 0.68 ppb (8) N/A 6.0 μg/m3 (25) 42.0
 
Nov. 20, 2019, 9 p.m. 75700.0 ppb (18959) 55.4 ppb (51) N/A 20.0 ppb (19) N/A N/A N/A 0.77 ppb (9) N/A 6.9 μg/m3 (29) 51.0
 
Nov. 20, 2019, 8 p.m. 76.0 ppb (73) 54.4 ppb (50) N/A 22.0 ppb (20) N/A N/A N/A 0.66 ppb (7) N/A 6.0 μg/m3 (25) 50.0
 
Nov. 20, 2019, 7 p.m. 81980.0 ppb (20533) 56.7 ppb (53) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 6.9 μg/m3 (29) 53.0
 
Nov. 20, 2019, 6 p.m. 95210.0 ppb (23849) 66.2 ppb (63) N/A 29.0 ppb (27) N/A N/A N/A 0.58 ppb (6) N/A 4.9 μg/m3 (20) 63.0
 
Nov. 20, 2019, 5 p.m. 104.6 ppb (101) 81.1 ppb (79) N/A 23.0 ppb (21) N/A N/A N/A 0.68 ppb (8) N/A 4.7 μg/m3 (20) 79.0
 
Nov. 20, 2019, 4 p.m. 88470.0 ppb (22159) 60.5 ppb (57) N/A 28.0 ppb (26) N/A N/A N/A 0.61 ppb (7) N/A N/A 57.0
 
Nov. 20, 2019, 3 p.m. 71.2 ppb (68) 48.0 ppb (44) N/A 23.0 ppb (21) N/A N/A N/A 0.54 ppb (6) N/A N/A 44.0
 
Nov. 20, 2019, 2 p.m. 72.0 ppb (69) 49.3 ppb (46) N/A 23.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A N/A 46.0
 
Nov. 20, 2019, 1 p.m. 93.3 ppb (92) 75.9 ppb (73) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A N/A 73.0
 
Nov. 20, 2019, noon 98430.0 ppb (24656) 72.8 ppb (70) N/A 26.0 ppb (24) N/A N/A N/A 0.68 ppb (8) N/A N/A 70.0
 
Nov. 20, 2019, 11 a.m. 90170.0 ppb (22585) 64.2 ppb (61) N/A 26.0 ppb (24) N/A N/A N/A 0.67 ppb (7) N/A N/A 61.0
 
Nov. 20, 2019, 10 a.m. 81280.0 ppb (20357) 58.4 ppb (55) N/A 23.0 ppb (21) N/A N/A N/A 0.56 ppb (6) N/A N/A 55.0
 
Nov. 20, 2019, 9 a.m. 65210.0 ppb (16330) 49.9 ppb (46) N/A 15.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A N/A 46.0
 
Nov. 20, 2019, 8 a.m. 41290.0 ppb (10335) 23.8 ppb (22) N/A 17.0 ppb (16) N/A N/A N/A 0.32 ppb (4) N/A N/A 22.0
 
Nov. 20, 2019, 7 a.m. 43.0 ppb (40) 26.8 ppb (25) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
Nov. 20, 2019, 6 a.m. 31.2 ppb (29) 12.4 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (4) N/A N/A 18.0
 
Nov. 20, 2019, 5 a.m. 22.1 ppb (20) 6.0 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.31 ppb (3) N/A N/A 15.0
 
Nov. 20, 2019, 4 a.m. 28910.0 ppb (7232) 15.2 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A N/A 14.0
 
Nov. 20, 2019, 3 a.m. 36470.0 ppb (9127) 19.1 ppb (18) N/A 17.0 ppb (16) N/A N/A N/A 0.48 ppb (5) N/A N/A 18.0
 
Nov. 20, 2019, 2 a.m. 48880.0 ppb (12237) 29.6 ppb (27) N/A 19.0 ppb (18) N/A N/A N/A 0.66 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
Nov. 20, 2019, 1 a.m. 57820.0 ppb (14478) 34.4 ppb (32) N/A 23.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 6.9 μg/m3 (29) 32.0
 
Nov. 20, 2019, midnight 57810.0 ppb (14475) 38.7 ppb (36) N/A 19.0 ppb (18) N/A N/A N/A 0.74 ppb (8) N/A 1.9 μg/m3 (8) 36.0
 
Nov. 19, 2019, 11 p.m. 55490.0 ppb (13894) 38.2 ppb (35) N/A 17.0 ppb (16) N/A N/A N/A 0.68 ppb (8) N/A -2.2 μg/m3 (0) 35.0
 
Nov. 19, 2019, 10 p.m. 76540.0 ppb (19169) 52.2 ppb (48) N/A 24.0 ppb (22) N/A N/A N/A 0.94 ppb (10) N/A N/A 48.0
 
Nov. 19, 2019, 9 p.m. 85090.0 ppb (21312) 61.9 ppb (58) N/A 23.0 ppb (21) N/A N/A N/A 0.88 ppb (10) N/A N/A 58.0
 
Nov. 19, 2019, 8 p.m. 96270.0 ppb (24114) 71.3 ppb (68) N/A 25.0 ppb (23) N/A N/A N/A 0.89 ppb (10) N/A N/A 68.0
 
Nov. 19, 2019, 7 p.m. 101.7 ppb (100) 76.5 ppb (74) N/A 25.0 ppb (23) N/A N/A N/A 0.9 ppb (10) N/A N/A 74.0
 
Nov. 19, 2019, 6 p.m. 79.2 ppb (77) 60.3 ppb (57) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) N/A N/A 57.0
 
Nov. 19, 2019, 5 p.m. 75220.0 ppb (18839) 50.6 ppb (47) N/A 25.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A N/A 47.0
 
Nov. 19, 2019, 4 p.m. 133.0 ppb (106) 102.7 ppb (100) N/A 30.0 ppb (28) N/A N/A N/A 0.95 ppb (11) N/A N/A 100.0
 
Nov. 19, 2019, 3 p.m. 100.6 ppb (100) 71.7 ppb (69) N/A 29.0 ppb (27) N/A N/A N/A 0.77 ppb (9) N/A N/A 69.0
 
Nov. 19, 2019, 2 p.m. 76.2 ppb (74) 44.9 ppb (42) N/A 31.0 ppb (29) N/A N/A N/A 0.55 ppb (6) N/A N/A 42.0
 
Nov. 19, 2019, 1 p.m. 62220.0 ppb (15580) 35.9 ppb (33) N/A 26.0 ppb (24) N/A N/A N/A 0.68 ppb (8) N/A N/A 33.0
 
Nov. 19, 2019, noon 81100.0 ppb (20312) 56.1 ppb (52) N/A 25.0 ppb (23) N/A N/A N/A 0.7 ppb (8) N/A N/A 52.0
 
Nov. 19, 2019, 11 a.m. 55270.0 ppb (13839) 31.1 ppb (29) N/A 24.0 ppb (22) N/A N/A N/A 0.45 ppb (5) N/A N/A 29.0
 
Nov. 19, 2019, 10 a.m. 70260.0 ppb (17595) 42.0 ppb (39) N/A 28.0 ppb (26) N/A N/A N/A 0.45 ppb (5) N/A 13.9 μg/m3 (54) 54.0
 
Nov. 19, 2019, 9 a.m. 75990.0 ppb (19032) 51.6 ppb (48) N/A 24.0 ppb (22) N/A N/A N/A 0.47 ppb (5) N/A 6.9 μg/m3 (29) 48.0
 
Nov. 19, 2019, 8 a.m. 66250.0 ppb (16590) 42.3 ppb (39) N/A 24.0 ppb (22) N/A N/A N/A 0.4 ppb (4) N/A 5.9 μg/m3 (25) 39.0
 
Nov. 19, 2019, 7 a.m. 42060.0 ppb (10528) 21.1 ppb (20) N/A 21.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Nov. 19, 2019, 6 a.m. 33.3 ppb (31) 18.4 ppb (17) N/A 15.0 ppb (14) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 19, 2019, 5 a.m. 31.8 ppb (29) 16.3 ppb (15) N/A 16.0 ppb (15) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 19, 2019, 4 a.m. 36280.0 ppb (9079) 21.3 ppb (20) N/A 15.0 ppb (14) N/A N/A N/A 0.36 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 19, 2019, 3 a.m. 25780.0 ppb (6448) 14.9 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 19, 2019, 2 a.m. 30500.0 ppb (7631) 17.3 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.44 ppb (5) N/A 5.9 μg/m3 (25) 25.0
 
Nov. 19, 2019, 1 a.m. 46670.0 ppb (11683) 29.9 ppb (28) N/A 17.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A 3.0 μg/m3 (12) 28.0
 
Nov. 19, 2019, midnight 39.4 ppb (36) 23.6 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.49 ppb (5) N/A 4.0 μg/m3 (17) 22.0
 
Nov. 18, 2019, 11 p.m. 57.6 ppb (54) 37.6 ppb (35) N/A 20.0 ppb (19) N/A N/A N/A 0.64 ppb (7) N/A 7.0 μg/m3 (29) 35.0
 
Nov. 18, 2019, 10 p.m. 51.6 ppb (48) 36.1 ppb (33) N/A 16.0 ppb (15) N/A N/A N/A 0.61 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 18, 2019, 9 p.m. 48.2 ppb (45) 28.5 ppb (26) N/A 20.0 ppb (19) N/A N/A N/A 0.53 ppb (6) N/A 6.0 μg/m3 (25) 26.0
 
Nov. 18, 2019, 8 p.m. 74380.0 ppb (18628) 50.9 ppb (47) N/A 24.0 ppb (22) N/A N/A N/A 0.62 ppb (7) N/A 4.0 μg/m3 (17) 47.0
 
Nov. 18, 2019, 7 p.m. 58250.0 ppb (14585) 40.4 ppb (37) N/A 18.0 ppb (17) N/A N/A N/A 0.49 ppb (5) N/A 6.9 μg/m3 (29) 37.0
 
Nov. 18, 2019, 6 p.m. 53490.0 ppb (13392) 35.5 ppb (33) N/A 18.0 ppb (17) N/A N/A N/A 0.45 ppb (5) N/A 5.0 μg/m3 (21) 33.0
 
Nov. 18, 2019, 5 p.m. 61300.0 ppb (15350) 38.2 ppb (35) N/A 23.0 ppb (21) N/A N/A N/A 0.53 ppb (6) N/A 5.0 μg/m3 (21) 35.0
 
Nov. 18, 2019, 4 p.m. 45800.0 ppb (11465) 27.9 ppb (26) N/A 18.0 ppb (17) N/A N/A N/A 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 18, 2019, 3 p.m. 37730.0 ppb (9443) 25.3 ppb (23) N/A 12.0 ppb (11) N/A N/A N/A 0.49 ppb (5) N/A 8.9 μg/m3 (37) 37.0
 
Nov. 18, 2019, 2 p.m. 36630.0 ppb (9167) 23.3 ppb (22) N/A 13.0 ppb (12) N/A N/A N/A 0.44 ppb (5) N/A 4.0 μg/m3 (17) 22.0
 
Nov. 18, 2019, 1 p.m. 43.9 ppb (41) 26.3 ppb (24) N/A 18.0 ppb (17) N/A N/A N/A 0.54 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 18, 2019, noon 50690.0 ppb (12691) 31.4 ppb (29) N/A 19.0 ppb (18) N/A N/A N/A 0.57 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
Nov. 18, 2019, 11 a.m. 41940.0 ppb (10498) 25.4 ppb (24) N/A 17.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 18, 2019, 10 a.m. 31000.0 ppb (7756) 18.4 ppb (17) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 18, 2019, 9 a.m. 20170.0 ppb (5042) 9.4 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 18, 2019, 8 a.m. 14590.0 ppb (3643) 6.8 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 18, 2019, 7 a.m. 13790.0 ppb (3443) 7.4 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 18, 2019, 6 a.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
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (41) 41.0
 
Nov. 18, 2019, 3 a.m. 18.8 ppb (17) 6.1 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 18, 2019, 2 a.m. 15.2 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 18, 2019, 1 a.m. 18.6 ppb (17) 4.9 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 18, 2019, midnight 22.1 ppb (20) 6.3 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 17, 2019, 11 p.m. 26850.0 ppb (6716) 11.8 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 9.9 μg/m3 (41) 41.0
 
Nov. 17, 2019, 10 p.m. 30100.0 ppb (7530) 12.8 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 9 p.m. 25030.0 ppb (6260) 10.0 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 17, 2019, 8 p.m. 35740.0 ppb (8944) 18.2 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 17, 2019, 7 p.m. 35410.0 ppb (8861) 21.8 ppb (20) N/A 14.0 ppb (13) N/A N/A N/A 0.62 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 17, 2019, 6 p.m. 39400.0 ppb (9861) 23.9 ppb (22) N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 17, 2019, 5 p.m. 33010.0 ppb (8260) 18.5 ppb (17) N/A 14.0 ppb (13) N/A N/A N/A 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 17, 2019, 4 p.m. 30860.0 ppb (7721) 15.0 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.39 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 17, 2019, 3 p.m. 32.0 ppb (30) 18.0 ppb (17) N/A 14.0 ppb (13) N/A N/A N/A 0.45 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 2 p.m. 33840.0 ppb (8468) 19.9 ppb (18) N/A 14.0 ppb (13) N/A N/A N/A 0.54 ppb (6) N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 1 p.m. 37930.0 ppb (9493) 23.0 ppb (21) N/A 15.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 21.0
 
Nov. 17, 2019, noon 38300.0 ppb (9585) 19.5 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 17, 2019, 11 a.m. 25190.0 ppb (6300) 10.3 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 17, 2019, 10 a.m. 14920.0 ppb (3726) 4.3 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 10.9 μg/m3 (45) 45.0
 
Nov. 17, 2019, 9 a.m. 25010.0 ppb (6255) 11.2 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 8 a.m. 23320.0 ppb (5831) 11.5 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.47 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 17, 2019, 7 a.m. 39.2 ppb (36) 20.3 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.77 ppb (9) N/A 4.0 μg/m3 (17) 19.0
 
Nov. 17, 2019, 6 a.m. 21.7 ppb (20) 7.9 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 13.0
 
Nov. 17, 2019, 5 a.m. 25.6 ppb (24) 10.5 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.48 ppb (5) N/A 3.0 μg/m3 (12) 14.0
 
Nov. 17, 2019, 4 a.m. 24600.0 ppb (6152) 10.8 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 3 a.m. 38840.0 ppb (9721) 19.5 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 2 a.m. 50620.0 ppb (12673) 30.0 ppb (28) N/A 21.0 ppb (19) N/A N/A N/A 0.66 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 17, 2019, 1 a.m. 51980.0 ppb (13014) 29.1 ppb (27) N/A 23.0 ppb (21) N/A N/A N/A 0.68 ppb (8) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 17, 2019, midnight 29.6 ppb (27) 13.0 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A 0.63 ppb (7) N/A 3.0 μg/m3 (12) 16.0
 
Nov. 16, 2019, 11 p.m. 32.5 ppb (30) 15.6 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 16, 2019, 10 p.m. 39520.0 ppb (9891) 17.3 ppb (16) N/A 22.0 ppb (20) N/A N/A N/A 0.48 ppb (5) N/A 3.9 μg/m3 (16) 20.0
 
Nov. 16, 2019, 9 p.m. 36060.0 ppb (9024) 18.8 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.46 ppb (5) N/A 2.9 μg/m3 (12) 17.0
 
Nov. 16, 2019, 8 p.m. 24590.0 ppb (6149) 14.1 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (4) 13.0
 
Nov. 16, 2019, 7 p.m. 21950.0 ppb (5488) 12.2 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 16, 2019, 6 p.m. 18570.0 ppb (4641) 10.8 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Nov. 16, 2019, 5 p.m. 21100.0 ppb (5275) 12.7 ppb (12) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 16, 2019, 4 p.m. 21.1 ppb (20) 14.2 ppb (13) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 16, 2019, 3 p.m. 24.0 ppb (22) 13.3 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
Nov. 16, 2019, 2 p.m. 25.7 ppb (24) 13.5 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.26 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
Nov. 16, 2019, 1 p.m. 30540.0 ppb (7641) 20.2 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Nov. 16, 2019, noon 25740.0 ppb (6438) 12.2 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.26 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Nov. 16, 2019, 11 a.m. 31630.0 ppb (7914) 18.9 ppb (18) N/A 13.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Nov. 16, 2019, 10 a.m. 21230.0 ppb (5307) 13.3 ppb (12) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 16, 2019, 9 a.m. 19400.0 ppb (4849) 15.9 ppb (15) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 16, 2019, 8 a.m. 13350.0 ppb (3332) 8.5 ppb (8) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 7 a.m. 22.9 ppb (21) 12.4 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 6 a.m. 25.4 ppb (24) 12.2 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 5 a.m. 34.2 ppb (32) 18.1 ppb (17) N/A 16.0 ppb (15) N/A N/A N/A 0.54 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 4 a.m. 48630.0 ppb (12174) 27.4 ppb (25) N/A 21.0 ppb (19) N/A N/A N/A 0.58 ppb (6) N/A 12.9 μg/m3 (52) 52.0
 
Nov. 16, 2019, 3 a.m. 42400.0 ppb (10613) 25.5 ppb (24) N/A 17.0 ppb (16) N/A N/A N/A 0.58 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 2 a.m. 43.1 ppb (40) 27.4 ppb (25) N/A 16.0 ppb (15) N/A N/A N/A 0.65 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 16, 2019, 1 a.m. 75.2 ppb (73) 44.2 ppb (41) N/A 31.0 ppb (29) N/A N/A N/A 0.84 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
Nov. 16, 2019, midnight 77.8 ppb (75) 43.6 ppb (40) N/A 34.0 ppb (31) N/A N/A N/A 0.89 ppb (10) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 11 p.m. 78.1 ppb (76) 43.0 ppb (40) N/A 35.0 ppb (32) N/A N/A N/A 0.88 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, 10 p.m. 81.6 ppb (79) 45.8 ppb (42) N/A 36.0 ppb (33) N/A N/A N/A 0.92 ppb (10) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 9 p.m. 83.9 ppb (82) 48.4 ppb (45) N/A 36.0 ppb (33) N/A N/A N/A 0.91 ppb (10) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 8 p.m. 72200.0 ppb (18082) 41.3 ppb (38) N/A 31.0 ppb (29) N/A N/A N/A 0.68 ppb (8) N/A 14.9 μg/m3 (56) 56.0
 
Nov. 15, 2019, 7 p.m. 67840.0 ppb (16989) 41.1 ppb (38) N/A 27.0 ppb (25) N/A N/A N/A 0.56 ppb (6) N/A 7.0 μg/m3 (29) 38.0
 
Nov. 15, 2019, 6 p.m. 58810.0 ppb (14726) 37.4 ppb (35) N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 5 p.m. 54320.0 ppb (13601) 33.9 ppb (31) N/A 20.0 ppb (19) N/A N/A N/A 0.55 ppb (6) N/A 10.9 μg/m3 (45) 45.0
 
Nov. 15, 2019, 4 p.m. 54.5 ppb (51) 30.9 ppb (29) N/A 24.0 ppb (22) N/A N/A N/A 0.46 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 15, 2019, 3 p.m. 57.9 ppb (54) 31.8 ppb (29) N/A 26.0 ppb (24) N/A N/A N/A 0.43 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 2 p.m. 78.5 ppb (76) 50.7 ppb (47) N/A 28.0 ppb (26) N/A N/A N/A 0.65 ppb (7) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 15, 2019, 1 p.m. 110.3 ppb (102) 75.7 ppb (73) N/A 35.0 ppb (32) N/A N/A N/A 0.88 ppb (10) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 15, 2019, noon 278.4 ppb (134) 234.6 ppb (126) N/A 44.0 ppb (41) N/A N/A N/A 1.98 ppb (22) N/A 20.0 μg/m3 (67) 126.0
 
Nov. 15, 2019, 11 a.m. 263.2 ppb (131) 224.2 ppb (124) N/A 39.0 ppb (36) N/A N/A N/A 1.78 ppb (20) N/A 17.0 μg/m3 (61) 124.0
 
Nov. 15, 2019, 10 a.m. 202.8 ppb (120) 159.6 ppb (111) N/A 43.0 ppb (40) N/A N/A N/A 1.39 ppb (15) N/A 20.9 μg/m3 (69) 111.0
 
Nov. 15, 2019, 9 a.m. 136.2 ppb (107) 107.0 ppb (101) N/A 29.0 ppb (27) N/A N/A N/A 1.07 ppb (12) N/A 15.0 μg/m3 (56) 101.0
 
Nov. 15, 2019, 8 a.m. 99380.0 ppb (24894) 70.9 ppb (68) N/A 28.0 ppb (26) N/A N/A N/A 0.67 ppb (7) N/A 15.9 μg/m3 (58) 68.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (84) 84.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (80) 80.0
 
Nov. 15, 2019, 4 a.m. N/A 141.5 ppb (108) N/A 37.0 ppb (34) N/A N/A N/A 1.56 ppb (17) N/A 20.0 μg/m3 (67) 108.0
 
Nov. 15, 2019, 3 a.m. N/A 159.8 ppb (111) N/A 34.0 ppb (31) N/A N/A N/A 2.21 ppb (25) N/A 20.9 μg/m3 (69) 111.0
 
Nov. 15, 2019, 2 a.m. N/A 131.2 ppb (106) N/A 35.0 ppb (32) N/A N/A N/A 1.85 ppb (21) N/A 19.9 μg/m3 (67) 106.0
 
Nov. 15, 2019, 1 a.m. N/A 102.8 ppb (100) N/A 37.0 ppb (34) N/A N/A N/A 1.41 ppb (16) N/A 18.9 μg/m3 (65) 100.0
 
Nov. 15, 2019, midnight N/A 113.1 ppb (102) N/A 39.0 ppb (36) N/A N/A N/A 1.64 ppb (18) N/A 15.9 μg/m3 (58) 102.0