ID: 2751

AQSQID: 721130004

Site Name: Ponce

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 24, 2020, 4:40 p.m.

Location: Ponce (Calle A6), PR

Reporting: False, Located: True

Current AQI: None

Ponce (Calle A6) PR, US: 18.009556, -66.62725

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -2.5 μg/m3 (0) 6.0
 
March 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) -2.2 μg/m3 (0) 21.0
 
March 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.5 μg/m3 (6) 16.0
 
March 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.6 μg/m3 (11) 11.0
 
March 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.7 μg/m3 (7) 11.0
 
March 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -0.4 μg/m3 (0) 2.0
 
March 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -0.5 μg/m3 (0) 6.0
 
March 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.3 μg/m3 (1) 11.0
 
March 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.8 μg/m3 (8) 17.0
 
March 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 10.0
 
March 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.7 μg/m3 (0) 3.0
 
March 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
March 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.6 μg/m3 (2) 15.0
 
March 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.4 μg/m3 (2) 11.0
 
March 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
March 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
March 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
March 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) -0.3 μg/m3 (0) 20.0
 
March 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) -0.4 μg/m3 (0) 18.0
 
March 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -0.7 μg/m3 (0) 5.0
 
March 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.1 μg/m3 (0) 16.0
 
March 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) -0.9 μg/m3 (0) 22.0
 
March 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) -1.5 μg/m3 (0) 25.0
 
March 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) -0.1 μg/m3 (0) 15.0
 
March 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -1.6 μg/m3 (0) 15.0
 
March 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) -3.5 μg/m3 (0) 26.0
 
March 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) -1.2 μg/m3 (0) 24.0
 
March 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.5 μg/m3 (10) 16.0
 
March 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 2.9 μg/m3 (12) 15.0
 
March 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
March 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.8 μg/m3 (16) 16.0
 
March 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.4 μg/m3 (6) 9.0
 
March 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -1.7 μg/m3 (0) 13.0
 
March 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 14.0
 
March 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.6 μg/m3 (2) 14.0
 
March 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 0.9 μg/m3 (4) 33.0
 
March 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.7 μg/m3 (7) 17.0
 
March 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) -2.0 μg/m3 (0) 25.0
 
March 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) -0.7 μg/m3 (0) 19.0
 
March 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 0.5 μg/m3 (2) 34.0
 
March 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 17.0
 
March 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.3 μg/m3 (5) 10.0
 
March 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 0.6 μg/m3 (2) 36.0
 
March 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
March 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 0.0 μg/m3 (0) 29.0
 
March 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) -0.1 μg/m3 (0) 24.0
 
March 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) -1.8 μg/m3 (0) 30.0
 
March 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) -0.6 μg/m3 (0) 34.0
 
March 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 0.6 μg/m3 (2) 29.0
 
March 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 1.5 μg/m3 (6) 41.0
 
March 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 0.2 μg/m3 (1) 33.0
 
March 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) -0.7 μg/m3 (0) 32.0
 
March 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -0.2 μg/m3 (0) 14.0
 
March 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 0.2 μg/m3 (1) 28.0
 
March 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 1.5 μg/m3 (6) 32.0
 
March 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 1.3 μg/m3 (5) 29.0
 
March 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 2.8 μg/m3 (12) 28.0
 
March 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 4.3 μg/m3 (18) 32.0
 
March 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 3.8 μg/m3 (16) 34.0
 
March 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 1.8 μg/m3 (8) 32.0
 
March 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 1.1 μg/m3 (5) 35.0
 
March 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) -0.2 μg/m3 (0) 28.0
 
March 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) -1.5 μg/m3 (0) 26.0
 
March 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 0.2 μg/m3 (1) 35.0
 
March 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 0.3 μg/m3 (1) 39.0
 
March 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) -1.0 μg/m3 (0) 40.0
 
March 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) -0.6 μg/m3 (0) 23.0
 
March 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) -0.5 μg/m3 (0) 36.0
 
March 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.9 μg/m3 (8) 15.0
 
March 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 1.2 μg/m3 (5) 35.0
 
March 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) -0.8 μg/m3 (0) 50.0
 
March 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 0.4 μg/m3 (2) 36.0
 
March 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 1.2 μg/m3 (5) 37.0
 
March 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) -0.1 μg/m3 (0) 54.0
 
March 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) -1.9 μg/m3 (0) 35.0
 
March 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (66) -0.3 μg/m3 (0) 66.0
 
March 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 103.0 μg/m3 (74) -2.5 μg/m3 (0) 74.0
 
March 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) -0.8 μg/m3 (0) 48.0
 
March 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 0.7 μg/m3 (3) 24.0
 
March 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 3.1 μg/m3 (13) 23.0
 
March 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 1.3 μg/m3 (5) 24.0
 
March 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.1 μg/m3 (13) 27.0
 
March 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.3 μg/m3 (5) 27.0
 
March 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) -2.3 μg/m3 (0) 24.0
 
March 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 0.9 μg/m3 (4) 18.0
 
March 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 0.7 μg/m3 (3) 34.0
 
March 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) -1.3 μg/m3 (0) 27.0
 
March 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) -0.2 μg/m3 (0) 35.0
 
March 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 0.5 μg/m3 (2) 38.0
 
March 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 1.4 μg/m3 (6) 42.0
 
March 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 0.3 μg/m3 (1) 46.0
 
March 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) -0.2 μg/m3 (0) 47.0
 
March 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) -1.7 μg/m3 (0) 36.0
 
March 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) -1.2 μg/m3 (0) 51.0
 
March 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) N/A 48.0
 
March 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) N/A 30.0
 
March 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) N/A 40.0
 
March 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) N/A 55.0
 
March 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) N/A 54.0
 
March 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) N/A 45.0
 
March 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) N/A 35.0
 
March 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) N/A 43.0
 
March 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) N/A 58.0
 
March 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) N/A 54.0
 
March 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) N/A 49.0
 
March 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) N/A 43.0
 
March 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) N/A N/A
March 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A N/A
March 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) N/A 22.0
 
March 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) N/A 19.0
 
March 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) N/A 15.0
 
March 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) N/A 18.0
 
March 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) N/A 6.0
 
March 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
March 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) N/A 27.0
 
March 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
March 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
March 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
March 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) N/A 43.0
 
March 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) N/A 50.0
 
March 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) N/A 38.0
 
March 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) N/A 62.0
 
March 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) N/A 65.0
 
March 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) N/A 66.0
 
March 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 103.0 μg/m3 (74) N/A 74.0
 
March 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
March 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
March 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
March 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
March 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) N/A 31.0
 
March 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) N/A 15.0
 
March 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A N/A
March 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) N/A 29.0
 
March 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) N/A 27.0
 
March 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
March 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) N/A 21.0
 
March 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) N/A 21.0
 
March 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) N/A 25.0
 
March 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) N/A 36.0
 
March 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) N/A 31.0
 
March 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) N/A 33.0
 
March 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) N/A 54.0
 
March 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) N/A 30.0
 
March 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) N/A 32.0
 
March 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) N/A 29.0
 
March 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) N/A 23.0
 
March 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) N/A 23.0
 
March 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
March 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
March 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
March 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
March 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) N/A 12.0
 
March 3, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
March 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) N/A 12.0
 
March 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
March 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
March 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
March 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
March 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) N/A 6.0
 
March 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) N/A 22.0
 
March 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) N/A 17.0
 
March 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
March 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) N/A 20.0